64 
CRUSTACEA. 
Porcellana Sayana. Pisidia S., Leach , Diet. Sc. Nat. 18, p. 54. 
Desm. Cons. 199. Pore, galathina, Say , Journ. Acad. Sc. 
Phil. i. p. 56 (not Bose.). 
a — cl. Coasts of United States. Presented by Thomas Say, Esq. 
Porcellana pilosa, Edw. Crust, ii. 255. 
a. West Indies. From Mr. Scrivener’s collection. 
Porcellana subpilosa, n. s. 
a — d. E. Indies. Presented by Gen. Th. Hardwicke. 
Porcellana longicorais, Edw. Crust, ii. 257. Cancer long., 
Linn. Syst. Nat. 1040, 10. Seba , iii. t. 17, f. 1-4. Penn. 
Brit. Zool. iv. 3, t. 1 , f. 3. Pisidia Linneeana, Leach , Diet. 
Sc. Nat. 18, p. 54. Desm. Cons. 197. Pore. Leachii, Gray , 
Zool. Misc.p. 15. 
a — -f. Young. British Coast. From the collections of CoL 
Montagu and Dr. Leach. 
g — m. Males. British Coast. From the collections of CoL Mon¬ 
tagu and Dr. Leach. 
n , o. Females. British Coast. From the collections of CoL Mon¬ 
tagu and Dr. Leach. 
p — t. Europe. 
Porcellana soriata, Say , Journ. Acad. Sc. Phil. i. p. 456. Pi¬ 
sidia sociata (for soriata), Leach , Diet. Sc. Nat . 18, p. 54. 
Desm. Cons. 199. Edw. Cimst. ii. 258. 
a —c. Georgia. Presented by Thomas Say, Esq. 
Porcellana streptocliirus, n. s. 
a, b. Philippine Islands (Corregidor). From the collection of 
Mr. Cuming. 
Megalopa, Leach. 
Megalopa rhomboidalis, Leach , Edin. Encycl. Cancer rhomb., 
Mont. Linn. Trans, vii 65, t. 6,/. 1. Megalopa Montagui, 
Leach , Mai. Pod. t. 1 8, f. 1-6. Desm. Cons. 201. Edw. 
Crust, ii. 262. 
a. South Coast of Devon. From the collection of CoL Montagu. 
b , c. Torbay (Devon). Presented by J. Bulwer, Esq. 
Megalopa armata, Leach , Mat. Pod. t. 16, f. 7-9. Desm. Cons. 
201. Edw. Crust . ii. 262. 
a, b. Bigbury Bay (Devon). Presented by C. Prideaux, Esq. 
Megalopa maculata, Leach. Tuckey’s Congo , 414. Griff. A. 
K. Crust, t. 25, f. 3. 
a , b. Gulf of Guinea. Congo Expedition. 
Megalopa sculpta, Leach. Tuckey's Congo , 414. Griff. A. K\ 
Crust . t. 25, f. 1. 
a. Gulf of Guinea. Congo Expedition. 
