30 
CRUSTACEA. 
I 
5 ? 
Thelphusa, n. s. ? Thelph. cunieularis, Westw. Trans . Ent. 
Soc. i. 183, t. 19, f. 1-6. Yar. ? 
a , b. East Indies. Presented by Gen. Th. Hardwicke. 
Thelphusa indiea, Latr. Enc. Metli. x. 563. Guer. Icon. Cr. 
t . 3,/. 3. Edw. Crust, ii. 13. Potamonautes ind. MacLeay , 
Ann. S. Afr. Ocypode aurantia, Bose. i. 195. Tide naudon 
(Coromandelese). 
a , b. Females. Isle of France. From Dr. Leach’s collection. 
c, d . Yar. ? Male and female. Cape of Good Hope. Presented 
by-Townsend, Esq. 
Thelphusa spinigera, n. s. 
a. Indian Ocean. Presented by Gen. Th. Hardwicke. 
Thelphusa gracilipes, n. s. 
a. Male. Philippine Islands. From Mr. Cuming’s collection. 
b. Female. Philippine Islands. From Mr. Cuming's collection. 
Thelphusa Cumingii, n. s. 
a. Male. Philippine Islands (Guimaras). From Mr. Cuming’s 
collection. 
b. Female. Philippine Islands. River Naga or Bicol, Cama- 
rines South. From Mr. Cuming’s collection. 
Thelphusa grapsoides, n. s. 
a, b. Males. Philippine Islands. Mountain spring, Province of 
Pampagna. From Mr. Cuming’s collection. 
Thelphusa perlata, Edw. Crust, ii. 13. Potamonautes perl., 
MacLeay , Ann. 8. Afr. 64. 
a, b. Femaies. Cape of Good Hope. Presented by Dr. Andrew 
Smith. 
c. Male. 
Thelphusa Bevardi, Audouin , Expl. 82. Savigny, Egypte, pi. 
2,/. 6. Edw. Crust, ii. 14, 
a. Egypt. Presented by J. Burton, Jun., Esq. 
Thelphusa Dehaanii, White. Thelph. Berardi, De Ho.an, Faun. 
Jap. t. 6, f. 2 (not And.), 
a , b. Japan. From the Leyden collection. 
P OTA MIA, Latr. - IbcriAc*, c4i.£<Ur. 
Potamia Schomburgkii, n. s. 
a. British Guiana. Presented by the Chevalier Schomburgk. 
p iX ^ V I , hls species differs very considerably from the Potamia fiuviatilis, 
^(Cancer fi., Herhst , i. t. 10, f. 61, Thelphusa dentata, Latr. 
Enc. x. 564), and comes near Potamia cliiliensis, Edw. and 
■n\*£^c>V\Cx < Lucas, D'Orbigny, VAm. Mer..pl. 10,/. 1. 
