268 



CRANGONID.E. 



DECAPOD A. 



MACROURA. 



CRANGONIDJE. 



TWO-SPINED SHRIMP. 



Crangon hispinosus. 



Pontopliilus hispinosus, Westwood. 



„ ,, Hailstone, Mag. Nat. Hist. VIII. pp. 11, 13, f. 30. 



The imperfect description and figure of this species, 

 given by ]\Ir. Hailstone, prevent my coming to any very 

 decided opinion as to the distinctness of its specific charac- 

 ter. It has, certainly, some points of resemblance to C. 

 sculptus^ but it is much smaller, if Mr. Hailstone's linear 

 admeasurement be that of an adult ; and there is no in- 

 dication of any sculpture on the abdomen. The follow- 

 ing is Mr Hailstone's description : — 



" Pedipalps with the last joint rather longer than the 

 preceding one, and bluntish at its termination. First pair 

 of legs compressed, didactyle, with the thumb very short : 

 second pair rather shorter than the first, didactyle ; the last 

 joint half the length of the preceding one, which is com- 



