CIROLANA SPINIPES. 



ISOPODA. 



NORMALIA. 



299 



CIROLANA SPINIPES. 



Specific character. Ceplialon wider than long, with a curved incised line 

 on each side parallel with the lateral margin. Pereion very convex, smooth. 

 Pereiopoda strong and broad, armed with numerous spines ; inner ramus 

 of the posterior pair of pleopoda (uropoda) larger than the outer, elongate- 

 ovate, acute at the tip, basal joint produced into a short subconical point. 



Length, nearly one inch. 



Oirolana Idrtipes ? Milne Edwards, Crust, iii. p. 236, t. 31, f. 25. 

 CuviER, Rfegne Animal (Edit. Crochard), Crust, 

 t. 67, f. 6 ? W. Thompson, in Ann. Nat. Hist. 

 XX. p. 246. White, B. M. Cat. Brit. Crust, 

 p. 79. Pop. Hist. Brit. Crust, p. 850. 



This species is at once distinguished from the typical 

 C. Cranchii — the only one hitherto described as a native 

 of Northern climates — by its robust form, convex glossy 

 body, thick spinose legs, and by the shortness of the 



