PLATE XXXVII 


weet oe 





1. Hairy-legged crab—Ucides cordatus (See page 184) (Photographs by Wehman) 
2. and 3. Bloodvessels on inner side of gill cover 
4. “S”-shaped organ and pt 
(See page 184) 
} oblematic structures (See page 184) 
ee Pee onial chamber uncovered (See page 184) 
. Brus z 
toning gills (See page 185) 


