380 



Dr. C. Chilton on the 



very small, triangular ; propod very large, broadly oval, 

 widening slightly to the palm, both margins almost free from 

 .setae, the hind one with a few small setae towards distal end, 



Fio. ]. 



Fisr. 2. 



Fig. 1. — Orchestia tucuratina, first antenna of male. 

 Fig. 2. — Orchestia tucuratma, second antenna of male. 



palm nearly transverse in old males, more oblique in younger 

 individuals, spinulose, irregularly convex between the blunt 

 defining tooth and a deep depression near the hinge; dactyl 



