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. 14. 



Pisidia Linnasana, 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 YOUNG 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 grauarius, 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. 

 Com. 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. Ediv. Crust, ii. p. 262. 



, b. Bigbury Bay (Devon). Presented by C. Prideaux, Esq. 



D 2 



