TWO ARCTIC BATHYAL CRUSTACEANS: THE SHRIMP BYTHOCARIS CRYONESUS NEW SPECIES, AND THE AMPHIPOD EURYTHENES GRYLLUS, WITH IN SITU PHOTOGRAPHS FROM ICE ISLAND T-3 BY THOMAS E. BOWMAN and RAYMOND B. MANNING Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, D. C., U.S.A. INTRODUCTION Beginning in the spring of 1957 photographs of the floor of the Arctic Ocean have been made from drifting ice stations (Hunkins, Ewing, Heezen & Menzies, 1960; Ewing, Hunkins & Thorndike, 1969). The deep-sea camera designed by Thorndike (1959) has been the basic instrument in all of the photographic ope- rations. The photographs illustrating this article (pl. 1) were taken from Fletcher's Ice Island, T-3, with a modification of the Thorndike camera designed to measure currents close to the ocean bottom. For this purpose the camera and self-contained flash unit were suspended about 1 meter above the bottom from the top of an open tetrahedral frame resting on the bottom. Equipment for measuring currents and a compass were mounted on the frame within the view of the vertically oriented, downward-pointed camera. In September 1967 a deep-sea shrimp appeared in 2 of the frames taken by the camera at a depth of
Crustaceana – Brill
Published: Jan 1, 1972
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