436 SPH AROMIDA, ( 
ISOPODA, SPHHROMID A, 
NORMALIA. 
g 

CAMPECOPEA CRANCHII. 
Specific character. Slightly setose; sixth segment of the pereion simple, 
unarmed ; terminal segment of the pleon entire, convex, not carinated, at its 
hinder part. 
Length, one-tenth of an inch. 
Campecopea Cranchii. Lac, Dictionn. Sci. Nat. xii. p. 341. Desmarest, 
Cons. Crust. p. 295. Minne Epwarps, Crust. iii. 
p. 220. Wurtz, B. M. Cat. Brit. Crust. p. 78. 
Pop. Hist. Brit. Crust. p. 248. 
Tus species is smaller than C. hirsuta ; it is also much 
less hirsute, and the sixth segment of the body, although 
larger than the preceding and following segments, is 
destitute of the elongated spine which exists in C. hirsuta. 
The antenne are cylindrical; the upper pair are inserted 
rather widely apart, with the first and second joints 
thickened, the second being of the ordinary rounded 
form, and not having the anterior angles acute. The 
inner maxille are composed of three delicate overlapping 
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