1. THE CRANIAL ANATOMY OF CHLAMYDO-SELACHUS ANGUINEUS.
- Author
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Allis Jr., Edward Phelps
- Subjects
GREEN algae ,VOLVOCALES ,DISSECTION - Abstract
In 1902, professor Bashford Dean, of Columbia University, New York City, most kindly sent the author a single head of chlamydoselachus, and it was given to the author's assistant, Jujiro Nomura for dissection. It was, however, soon found that this one head would not suffice for the work contemplated, and, at the author's request, professor Dean had several other heads from Japan. The dissection of these heads was later begun and although frequently interrupted by other work that was under way, was completed in so far as the skeleton and muscles are concerned when Nomura died, in 1920. The neurocranium of chlamydoselachus is broad and flat in its width in its widest portion being, about two thirds its length and more than twice its height in dorsal view it greatly resembles the neurocranium, but its dorsal surface is even flatter than that of fish, and the large grooves that mark the positions of the latero-sensory canals are less curved and more nearly longitudinal in position.
- Published
- 1923
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