PARASITIC CRUSTACEA FROM BIMINI — PEARSE 



355 



First antenna G-segmented, hidden beneath head lobes. Second 

 antenna large and strong; terminal hook sharply bent, two small 

 spines near its middle. First maxilla ciliate at tip and bearing 

 one seta at base. Mouth tube slender and triangular. Second max- 

 illa less than half as large as maxilliped ; the latter spinulose where 

 its terminal hook meets the preceding segment. 



First leg with a somewhat spinulose basipod ; exopod with five 

 terminal spines ; endopod with a setose margin and a long terminal 

 seta. Second leg with a spinulose tip on the exopod and a single 

 seta on the endopod. Third leg flat, biramose, and extended ven- 

 trally or laterally; rami unsegmented, wider at tip than at base, 

 and truncate. Fourth leg- with two short, cylindrical, tapering 

 rami not quite reaching end of dorsal plate, lateral ramus ending 

 in a short, sharp, laterally directed spine. Genital segment twice 



Figure 73. — Lernanthropus longilamina, new species: Female: a, First maxilla; b, 

 mouth tube; c, ventral view; d, dorsal view of cephalothorax and second antennae. 

 Male: e, First maxilla; /, first and second legs; g, maxilliped; /;, ventral view. 



