Zoology. 123 
Gen. 7. Cursanarius, D.—Manus antice plus ania Fileprsine 
» subsequze, digitis apice corneis, in plano horizontali claadentibos. 
Frons medio breviter rostratus. 
Il. CANCELLIN Z.—A bdomen symmetricum. 
Gen. Cance.tus, Edwards. 
Fam. Il. CENOBITIDA. 
Antenne interne multo elongato, articulo 1mo oculis sepius longiore, 
valde deflexo. Maxillipedis externi palpus flagello non instructus.— 
Species subterrestriales. 
Gen. 1. Cenosita, Edw. —Corpus angustum, carapace elongato, 
fronte non rostrato. Abdomen in cochleam retortum, superficie 
osum. 
en. 2. Bireus, Leach.—Corpus latum, carapace parce oblongo 
postice latissimo, fronte triangulato. omen directum, lami- 
nis crustaceis dorso plerumque tectum. 
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but which pertain to the new division Clibanarius, C. equabi - ZE- 
bra, C. humilis C. globoso-manus. The last may be the P. corallinus 
of Edwards. ‘Biss Cenobita carnescens and C. brunnea. 
thost ostoma 
Philad. aE 121, pl. 5, 1640.) to the family Gecarcinide. In its con- 
Vex or t obeve form, it approac ches that group. Yet the dentate antero- 
examining the spe fee od ors ntly, in the collections of the Academy 
at Philadelphia, I fi in their essential characters as well as the 
texture of the sie: ae species is related to the Telphuside. The 
male verges are situated as in Telphusa, and not as in the pay ese 
and in general habit, the described species is near Potamia and 
Sactylus. It has the 2d joint of the outer maxillipeds oblong Get Title 
Shorter than the second), with the summit on and the 
articulated with it near the outer apex. The male andar is very 
broad od il and 5-jointe 
wn genera of Telphusidee, are, then, as follows :— 
a Tur PHusa, Lair.—Articulus maxillipedis externi 3tius sub- 
Wadratus, 2Wdus multo brevior, 4tam angulo apicali interno gerens. 
G2. Vatoivia, White—Articulus maxillipedis externi Stius ob- 
Pela transversus. [Carapax margine antero-laterali atte] 
on 
G3. Por mia, Latr.—Articulus maxillipedis | externi —- qual 
_ apice eating alas anguloque apicali 4tum — 
