January 27, 2012

SCIENCE!! Comics: Episode 3



This week! The Elephant's 6th Toe

Learn more!
This week's comic was based on a recent science paper, but has been thoroughly covered in the news (including the New York Times and the BBC News). There's much more to learn about the "toe" - like its similarities to the panda's "thumb" - but I was trying to keep this one short and sweet.

As usual, any mistakes are mine alone. I drew a female Asian elephant (which doesn't have tusks) and should note that apparently the number of toenails they have can vary. Both the elephant and the bones are a bit cartoony and shouldn't be taken as anatomical illustrations.

Posted By: Winifred Kehl, Communications

January 13, 2012

Volunteer Spotlight: Fish Collections


I love profiling volunteers at the Burke Museum because it gives me the opportunity to share unique stories and people who work hard and are dedicated to the museum, all without being on salary! These aren’t usually people you will see in the news, but they do a lot of great work at the museum deserving of newsworthy coverage. Today I’d like to introduce you to Saul Rico, a volunteer in the Ichthyology collections.

Jessica: Saul, tell me a little bit about what you do in the Ichthyology collections.
Saul: I process newly acquired specimens, loans and loan returns, enter data, re-label existing specimens, and any other tasks as needed.

Jessica: How did you end up volunteering for the Burke Museum’s Ichthyology collections?
Saul: I recently moved to Seattle and decided the transition would be a good time to make a career shift that aligned better with my interests and passions. I have always been interested in marine biology, particularly marine mammals and fishes, so I decided to quit my job of 10 years to pursue a career in fisheries management/research and perhaps apply to the graduate program at School of Aquatic and Fishery Sciences. I've been taking classes as a non-matriculated student to boost my knowledge in marine sciences and became aware of the fish collection when I took Ted Pietsch's Biology of Fishes course. He gave us a tour of the facility early in the course and I knew immediately that I wanted to be involved in some capacity. I approached him and asked if I could help and luckily there was some work I could do.



Jessica: What do you like most about volunteering at the Burke?
Saul: I really enjoy learning about the different fishes that inhabit our local waters and getting to see them first hand.  I also really enjoy working with the staff and other volunteers in the collection.  Not only are they very knowledgeable which presents a learning opportunity for me, but they are fun too. 

Jessica: Tell me a funny story that’s happened while working in the fish collections.
Saul: I think seeing school children come through the collection as part of a school field trip presents lots of opportunity for spontaneous fun. Some of the questions are very insightful and well thought out, while others are questions that only a child could come up with.  During one particular tour one kid had a question about a half-man, half-alligator that I thought was pretty funny. He really seemed to think that one existed and must have thought that as a scientist, the collections manager should be an authority on the topic and must know something about it.

Jessica: What would surprise people about what you do?  
Saul: I think people don't quite grasp what the fish collection is about and why it's important. But when they realize that it truly is just like a library of fishes that other researchers can "check out" to study them more carefully, it becomes clear that I'm a kind of like a librarian.  Oh, and some people are surprised that I don't get paid for what I do!  

Astroscopus y-graecum specimens. Some of Saul's favorite specimens from the Burke's Icthyology collections, these fish are a shallow water species from the East Coast.
Jessica: Briefly describe your most memorable project.  
Saul: I had a nice opportunity to work with another volunteer identifying some fish that had only been identified to the genus level. Many fishes can be easily classified by ichthyologists to the family or even genus level, but once you get to the actual species level, it gets difficult to differentiate them, particularly since some differences between species can be quite subtle.  So in order to identify them, we used a dichotomous key to correctly identify their species.  A dichotomous key is kind of like a map of fish characteristics.  If followed correctly it can help distinguish fish species from one another. I'd never done this before, so it was not only fun but a great learning opportunity for me.  

Posted By: Jessica Newkirk, Volunteer Coordinator

January 10, 2012

Science Behind-the-Scenes: Mammalogy Edition

Have you ever been to the Burke and wondered what's in the rest of the building? Behind the exhibits (actually, under them, around them, and above them!) are offices, the exhibit workshop, and enough cabinets full of wonder to make Indiana Jones jealous.

In this edition of Science Behind-the-Scenes, meet the Burke's mammal collection and find out why we keep drawers full of flattened animals and their bones!

Mammals on display at Meet the Mammals
Mammalogy is the study of mammals (a mammal is an animal with a backbone that has hair and produces milk for its newborns). Over 5,400 species of mammals live on Earth today and many more species have lived and died since the time of the dinosaurs. That's rightrunning around the feet of Allosaurus and Stegosaurus were little furry mammals
Fossil mammals can be found in the paleontology collection. Humans are mammals but anything to do with humans is usually found in the archaeology or ethnology collections. The mammalogy collection houses all the Burke's "recent" (non-fossilized) mammalsbones, skins, whole animals, flattened animals. Mammalogy has everything from exotic animal skins confiscated from smugglers to squirrel skeletons used by scientists to study local squirrel populations. 

January 06, 2012

Encoded in the Weave: Identifying your Relative’s Native American Basket


Figure 1: Tlingit berry-basket, late 1800s. Courtesy of the Burke Museum of Natural History and Culture. George Emmons Collection, No. 1702.

Amidst the many hours devoted to research papers and projects during my graduate schooling, I became very intrigued with historic photographic images of Native American cultures. As these images filled my moments of contemplation and my laptop’s hard drive, a fire was set alight within me to explore the handicrafts produced by the Native hands depicted in these historical photographs. Each day as I walked through the Burke’s Pacific Voices exhibit en route to class, I became more and more enamored with the beautifully crafted and lustrous twined basketry works on display. But these baskets were completely enigmatic for me…how were they made, and how could one differentiate between the baskets of various Northwest Coast cultures

In the spirit of tomorrow’s Artifact ID Day here at the Burke (this Saturday, January 7th from 1-3:30 pm), I would like to shed light on some of the greatest differentiating characteristics between the spruce baskets of two neighboring cultures from the northern Northwest Coast—the Tlingit (pronounced “TLINK-it”) of what is now southeastern Alaska, and the Haida (pronounced “HIGH-dah”) of the Haida Gwaii (or Queen Charlotte Islands) of British Columbia as well as the southernmost portion of Alaska’s Prince of Wales Island (See a map here).  

The Woven Worlds of the Tlingit and Haida 

The collecting of Native American baskets across America was earnestly advertised during the last decades of the 19th through the early 20th century in journals and newspapers alike, with one writer of 1891 calling the accumulating craze “the latest fad among artistic people.”* 

Shared Sensibilities
Despite the introduction of new basketry forms and design motifs with the development of a white tourist-fueled industry, the women of both the Tlingit and the Haida—who bore sole responsibility for the gathering of materials and the weaving of basket works—remained faithful to their native weaving techniques and materials. The Tlingit and the Haida shared in their artful manipulation of split root derived from the spruce tree (referred to as “seet” by the Tlingit) to produce exceptionally vocal woven basketry creations. The body of their baskets—most commonly in the form of open, gradually flaring cylindrical berry-picking baskets--were intricately formed by means of twined weaving techniques: fine strands of peeled and split spruce are manipulated, the lustrous outer part of the root utilized for the strands to be visible on the exterior basket (known as wefts) are woven horizontally in a variety of techniques over passive vertical strands derived from the center of the root (known as the warps, and in most cases concealed in totality by the wefts). The most customary twined weaving stitch was the plain (or two-strand) Z-twining stitch, as illustrated in the brief video clip below, producing a striking uniform textured surface of vertical ridges akin to an ear of corn. The “Z-twining” refers to the direction of each stitch’s slant down to the right.

 
Movie clip from “Baskets of the Northwest People, Gifts from the Grandmothers,” courtesy of YouTube member SwinomishTribalMedia.

Beauty in the Details: Distinguishing Characteristics of Tlingit and Haida Baskets
Overlapping construction techniques and weaving materials can easily mislead one to associate the incorrect culture with a basketry treasure; however, outlined below I detail the greatest idiosyncrasies that can aid in distinguishing between the major basket types of the Tlingit and the Haida. 

(1)  Visual Materialization of Basket Orientation During Weaving
Favored as the most consistent telltale sign for differentiating a Tlingit basket from a Haida is the point of termination on a basket, which is visually manifested in a vertical band along one point on the basket wall. At this point of termination where the weft strands are connected to each other, a step in the alignment of the vertical ridges occurs. The angle of this step, referred to as a jog, is reflective of orientation of the basket during the weaving process as mandated by cultural customs.

The Tlingit’s jog configuration (Figure 2) shows a “jog down,” where each row is slightly above the previous (row on left side of termination is higher than the row to the right). This “jog down” is the by-product of the Tlingit’s custom of weaving baskets in an upright position (Figure 3).

 
Figure 2: This close-up view of the termination on a Tlingit basket shows the characteristic “jog down” where each row is slightly above the previous. (Courtesy of the Burke Museum of Natural History and Culture, No. 1-916.)

 
Figure 3: A photograph taken in the commercial photography studio based out of Skagway, Alaska in the beginning years of the 20th century documents the way a Tlingit woman would weave her basket in an upright position. (Courtesy of the Burke Museum of Natural History and Culture, Case and Draper Collection).

The Haida’s jog configuration (Figure 4), on the other hand, displays a “jog up,” where each row is slightly below the previous (row on left side of termination is lower than the row to the right). This “jog up” is the outgrowth of the Haida’s custom of weaving baskets in an inverted position (Figure 5).

 
Figure 4: This close-up view of the termination on a Haida basket shows the characteristic “jog up” where each row is slightly below the previous. (Courtesy of the Burke Museum of Natural History and Culture, No. 1-1520.)


 
Figure 5: This photograph taken in the Haida village of Masset in 1897 by photographer Edward P. Allen for The Field Museum of Chicago suspends for perpetuity the customary way by which a Haida woman would weave her basket in a downward position with the basket wall’s warp strands pointing downward. (Courtesy of the Field Museum, Neg. CSA854)

(2)  Culturally Favored Design Techniques
The Tlingit and the Haida each possessed a unique set of cultural beliefs that were encoded within the physical form of their basketry works. Each basket maker revealed her individual artistic sense within an established vocabulary of aesthetics and design elements regulated by her people’s vernacular weaving style. While stylistic exceptions do exist as a result of cross fertilization of ideas and techniques due to intermarriage between tribes, as well as a result of tourist demand (hence the importance of examining the termination point on a basket), the following stylistic generalizations can be helpful in establishing a Tlingit basket from a Haida.

The twined basketry works of the Tlingit are typified by the punctuation of boldly colored and finely integrated geometric forms that mingle with great variety across the outer wall of the basket, typically within the confines of horizontal design bands. Customarily on variations of berry baskets these colorful design motifs were woven over three horizontal bands that encircle the form—two wider and matching bands sandwiching a third smaller “tying band” in the middle—that are bookended by margins along the top rim and base of the basket of non-dyed spruce root (See Figure 1). Many of the design motifs symbolically represent in abstracted form natural subjects, but, after 1880, also were literally transcribed from ornamental blankets and fabrics acquired through trade with white settlers. The Technicolor geometric form decoration was applied by a weaving technique known as false embroidery in which pre-prepared colorfully dyed grass strands or maidenhair fern strands (known for its reddish to blackish purple hue and glossy appearance) are wrapped simultaneously with the horizontal weft strand as it is woven over the vertical warp. The false embroidery never passes to the inside and can only be viewed on the exterior wall of the basket. Noteworthy as well is that the colorful strands of false embroidery slant in the opposite direction of the plain z-twining that structurally defines much of a Tlingit basket (Figure 6)


Figure 6: Up close one can view the Tlingit’s characteristic false embroidery technique. Notice that each stitch of the colored strands slants up to the right—the opposite direction of the natural spruce root plain z-twining (visible at the top of this detail photo) that structurally composes much of a typical Tlingit basket (Courtesy of the Burke Museum of Natural History and Culture, No. 2300.)

Specimens of Haida basketry are markedly more understated than that of the Tlingit in design and color choices. The power of Haida twined creations come from the restrained bands circumventing the basket’s wall, and typically from subtle shifts in weaving techniques that appear in a band along the basket’s rim. The narrow horizontal bands around the basket—which typically are black, green or brown in color, but also occasionally red—are created by dying some of the spruce root weft strands prior to weaving and incorporating them directly into the ‘fabric’ of the basket with plain z-twining (Figure 7).  The understated elegance of Haida baskets is also typically typified by a thicker horizontal band of skip-stitch (or twill twining) present along the basket’s rim that produces a raised geometric design, as seen in Figure 4.

Figure 7: An exemplary specimen of Haida twined spruce root basketry. (Courtesy of the Burke Museum of Natural History and Culture, No. 4590.)

Posted By: Christy Hansen, Ethnology

* Charles E. Holder, “A California Craze; the Latest Fad Among Artistic People: Collections of Indian Baskets,” Placer Herald, July 10, 1891, p7.
To learn more about Tlingit and Haida Spruce Root Baskets, see:
  • Sharon Busby, Spruce Root Basketry of the Haida and Tlingit (Seattle: Marquand Books, Inc., in association with University of Washington Press, 2003).
  • George T. Emmons, The Basketry of the Tlingit and The Chilkat Blanket, reprint edition (USA: Friends of the Sheldon Jackson Museum, 1993).
  • Frances Paul, Spruce Root Basketry of the Alaska Tlingit (United States Department of the Interior, Bureau of Indian Affairs—Division  of Education, Haskel Press, 1944).
  • Erna Gunther, Design Units on Tlingit Baskets (Sitka, Alaska: Sheldon Jackson Museum, 1984).

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