CATALOGUE OF BRITISH CRUSTACEA. 35 



2. ASTACUS. 



Astacus, Leach, Sam. Ent. U. Comp. p. 95 (1819). 

 Horaarus, M. Edw. Crust, ii. p. 333 (1837). 

 Astacus, pt. Fabr. Ent. Syst. Suppl. p. 406. 

 Cancer, pt. Linn. Syst. Nat. 



1 . ASTACUS GAMMAEUS. Common Lobster. 



Astacus gammarus, Leach, Ed. Enc. vii. p. 398 ; Sam. Ent. U. 

 Comp. p. 95. 



Cancer gammarus, Linn. Faun. Sitec. p. 2033; Syst. Nat. p. 1050 ; 



Herbst, ii. p. 42, t. xxv. ; Penn. Brit. Zool. iv. p. 8, t. 10 



f. 21. 

 Astacus marinus, Fabr. Ent. Syst. Suppl. p. 406 ; Latr. Hist. Nat. 



Crust, vi. p. 233. 

 Homarus vulgaris, M. Edw. Crust, ii. p. 334 ; Couch, Cornish 



Fauna ; Kroyer, Mon. Hippolyte, t. 6, f. 133 (embryo) ; Bell, 



Brit. Crust, p. 242 ; Lucas, Expl. Alger. p. 38. 



a d. Britain. From the collections of Col. Montagu and Dr. 



Leacb. 

 e a. "Larva? of Astacus marinus." Cork Harbour. Presented 



by J. V. Thompson, Esq. 



3. NEPHROPS. 



Nephrops, Leach, Linn. Trans, xi. p. 344 (1814 1815). 

 Astacus, pt. Fabr. Ent. Syst. Suppl. p. 406. 

 Cancer, pt. Linn. Syst. Nat. 



1. NEPHEOPS NORVEGICUS. Norway Lobster. 



Cancer norvegicus, Linn. Faun. Suec. p. 2039 ; Syst. Nat. \. p. 



1053 ; O. Fabr. Faun. Grcenl. p. 242; Herbst, ii. t. xxvi. f. 3 ; 



Ascanius, Icon. iv. p. 6, t. 39. 

 Astacus norvegicus, Fabr. Syst. Ent. p. 418 ; Penn. Brit. Zool. 



(edit. 1777) iv. pi. xii. f. 24, p. 14. 

 Nephrops norvegicus, Leach. Ed. Enc. vii. p. 400 ; Linn. Trans. 



xi. p. 344 ; Mai. Pod. Brit. t. xxxvi. ; Guerin, Icon. t. 19, f. 1 ; 



M. Edw. Hist. Nat. Crust, ii. p. 336 ; Bell, Brit. Crust, p. 251. 



