ANOMOURA. 153 



equal ; all compressed ; abdomen lengthened, whole 

 body much compressed. 



A. Stirynchus. Fig. 288 ; A n. s. 



Gebia (Leach). First feet alone two-fingered, 

 the ringers unequal in length ; carapace termi- 

 nating in a small beak ; abdomen broad, swelling 

 in the middle, ending in a large swimming-tail. 



G. stellata. Fig. 289 ; f n. s. 

 deltura. 



Gallianassa (Leach). First and second feet two- 

 fingered ; one of the hands of the first pair enor- 

 mously developed, while its fellow scarcely exceeds 

 those of the second pair ; third pair with the last 

 joint but one swollen; no beak; abdomen very 

 long and broad. 



C. subterranea. Fig. 290 ; -| n. s. 



Family VII. Palinurid^. 



Palinurus (Fabr.). Antennae long, the outer 

 pair very thick at the base ; none of the feet 

 clawed ; carapace spinous. 



P. quadricornis. Fig. 291 ; i n. s. 



Tribe II. Anomoura. 



Abdomen sometimes bent under the body, some- 

 times extended, with a swimming-tail more or 

 less developed; breast-plate in general linear 

 between the last three pairs of feet, and enlarged 

 in front : hindmost feet usually rudimentary. 



