1 66 



CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



First pair of gnathopods much stronger than the second; 

 propodus large and broad, subchelate. Pereiopods comparatively 

 slender. Three posterior pairs having basal joint expanded. 



Last pair of uropods very small with peduncle expanded 

 medially. Telson comparatively large, lamellar, rounded. 



Unciola irrorata Say. 



Fig. 50. Unciola irrorata. 



1818. Unciola irrorata, Say, Jour. Acad. Nat. Sci. Phila., 

 vol. I. pt. 2, p. 389. 



1874. Unciola irrorata, Smith, Rep. U. S. Com. Fish., 

 1871-2, p. 567, pi. 4, fig. 19. 



Body depressed ; coxal plates very low ; eyes nearly round. 



First antennae over half as long as body, with principal flagel- 

 lum shorter than peduncle ; accessory flagellum shorter than last 

 joint of peduncle. Second antennse shorter than the first, with a 

 short flagellum and a strong peduncle which is very stout in the 

 male. 



First gnathopods much stronger than second and of similar 

 form in the two sexes; basal joint thick and hollowed out in 

 front; carpus short; propodus very large and oval, with convex 



