DECArODA. 



MACROURA. 



CALOCARIS MACANDRE^. 2SS 



THALASSINAD^. 



Calocaris Macandrea. Mihi. 



The crust of this species is very thin, its texture slight 

 and flexible. The carapace is large, somewhat cylindrical, 

 narrowed forwards, and terminating in an acute triangular 

 rostrum, from which a raised line passes backwards and 

 outwards, furnished on each side with four sharp flattened 

 teeth, and inclosing a triangular space over the gastric 

 region. A small raised medial line extends along the 

 whole length of the carapace. The anterior feet are 

 two-thirds the length of the whole body ; the fingers very 

 long, much compressed, and longitudinally grooved, fur- 

 nished with a few small tubercles ; the hand, which is 

 gibbous, has a double carina on the upper side, which 



