296 



ISOPODA. 



NORM A LI A. 



MGIDM. 



CIROLANA CRANCHII. 



Specific character. Animal subeylindrico-ovate, smooth, finely punctured ; 

 segments with a slender pale line on the posterior margins, terminal segment 

 of the pleon triangular, slightly rounded at the extremity, inner plate of the 

 posterior appendages of the pleon larger than the outer, rather obliquely 

 truncate, legs slightly spined. 



Length, three-fifths of an inch. 



Cirolana Cranchii. LEACH, Dictionn. Sci. Nat. xii. p. 347. DESMAREST, 



Cons. Crust, p. 303. MILNE EDWARDS, Crust, iii. 

 p. 236. WHITE, B. M. Cat. Brit. Crust, p. 79. 

 Pop. Hist. Brit. Crust, p. 249, pi. xiv. f. 3. 

 GTOSSE, Man. Mar. Zool. i. fig. 230. 



THE preservation of Dr. Leach's typical specimen of 

 this species, having the name Cranchii still attached to it 

 in his small and very neat hand-writing, enables us to 

 clear up the short and unsatisfactory descriptions of it 

 given by M. Milne Edwards and A. White. The former 



