260 



THE ZOOLOGIST. 



narrow in the male, but very broad in the female. They project 

 slightly beyond the posterior edge of the carapace, as if distended. 



When alive the eyes of this species are bright, and give the 

 animal a most interesting expression. The antennae are com- 

 paratively short. 



Dromia vulgaris can be said to answer to its specific name 

 only in the Mediterranean, for it is undoubtedly very seldom 

 obtained on our coasts, possibly no doubt owing to its being a 

 deep-water species. We have obtained a few specimens from 

 Guernsej', Jersey and in the Channel off the Sussex coast. Bell, 

 who, by the way, only describes the species in the appendix to 

 his work, states that it has been taken at Whitstable Bay, 

 Worthing, and Selsey Bill. 



Fig. 1. Diagram showing symmetrical plates on abdomen of male Lithodes main. 



Lithodes main, Leach. 

 The carapace of this species is of considerable size, often 

 attaining the length of five or six inches ; it is somewhat rounded 



