WILLIAMS: NEW MARINE DECAPOD CRUSTACEANS 



Figure 1. — Alvinocans markensis, holotype $ : a part of cephalothorax and anterior appendages, lateral; b rostrum, eye, anten- 

 nular peduncle, antennal scale, dorsal of left side; c abdomen, lateral; cf tail fan; cheliped, e mesial, /"lateral; g pereopod 2, 

 h chela. Scales = 2 mm: I ia, c , d, e , f, g, h)\2 ib). 



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