CATALOGUE OF BRITISH CRUSTACEA. 
27 
2. PORCELLANA LONGICORNIS. 
Cancer longicornis, Penn. Brit. Zool. iv. p. 3, pi. 1, f. 3; Herbst. ii. 
t. xlvii. f. 3. 
Cancer longicornis, Linn. Syst. Nat. p. 1040, 10 ; Seb. Thes. iii. t. 
17, f. 1—4. 
Pisidia Linnaeana, Leach, Diet. Sci. Nat. xviii. p. 54. 
Porcellana Leachii, Gray, Zool. Misc. p. 15. 
Porcellana longicornis, M. Edw. Crust, ii. p. 257 ; Bell, Brit. 
Crust, p. 193 ; Lucas, Expl. Alger, p. 34. 
a — o. British Coast. From the collections of Col. Montagu and 
Dr. Leach. 
APPENDIX TO BRACHYURA AND ANOMOURA. 
Larva or Youxg of some Species of Crab. 
Megalopa, Leach, Ed. Enc. vii. p. 431. 
Megalopidea, pt. Haan, Faun. Jap. p. 148. 
1. Megalopa rhomboidalis, Leach, Ed. Enc. 
Cancer granarius, Herbst. ? 
Cancer rhomboidalis, Montagu , Linn. Trans, vii p. 65, t. 6, f. 1 . 
Megalopa Montagui, Leach, Mai. Pod. Brit. t. 16, f. 1 — 6; Desm. 
Cons. p. 201 ; M. Edw. Crust, ii. p. 262. 
a. S. Devon. From the collection of Col. Montagu. 
b, c. Torbay, Devon. Presented by J. Bulwer, Esq. 
2. Megalopa armata, Leach, Mai. Pod. Brit. t. 16, f. 7 — 9 ; Desm. 
Cons. p. 201 ; M. Edw. Crust, ii. p. 262. 
a, b. Bigbury Bay (Devon). Presented by C. Prideaux, Esq. 
