CATALOGUE OF BEITISH CRUSTACEA. 
49 
Fam. II. GAMMARIM. 
Gammaridae, Dana, Amer. Joum. viii. (2 nd ser.) 
Crevettines sauteuses, pt. M. Edw. Crust, ii. p. 10. 
GammaridsB, pt. Leach, Ed. Enc. vii. p. 432. 
Dexameridae, pt. (Dexaminidae) Leach, Ed. Enc. vii. p. 432. 
1. DEXAMINE. 
Dexamine, Leach, Ed. Enc. vii. p. 432. 
Gammarus, pt. Montagu. 
Acantbonotus, pt. ? M. Edw. Crust, iii. p. 25. 
1. Dexamine spinosa. Spined Sea-Screw. 
Dexamine spinosa, Leach, Enc. Brit. vii. p. 433 ; Zool. Misc. ii. p. 
23 : Linn. Trans, xi. p. 358 ; Desm. Cons. p. 45, f. 6. 
Cancer (Gammarus) spinosus, Mont. Linn. Trans, xi. p. 3, t. 2, f. 1 . 
{fig. imp.) 
Acanthonotus ? sp. M. Edw. Crust, iii. p. 25. 
South Coast of England. 
a—f. Torcross. From the collection of Col. Montagu. 
g. London Market (on an Oyster). 
2. Dexamine ? carino-spinosa. 
Cancer carino-spinosus, Turlon ; Mont. Linn. Trans, xi. p 4 P 
a. Isle of Wight ? Old collection. 
2. OPIS. 
Opis, Kroger, Nat. Tidsk. iv. p. 149 (1842). 
1. Opis typica. Kroyer’s Sea-Screw. 
Opis typica, Kroger, Nat. Tidsk. iv. ; Vog. Scand. t. 17, f. 1. 
a. Ireland (Strangford Loch). Presented by W. Thompson, Esq. 
3. ANONYX. 
Anonyx, Kroger, Nat. Tidsk. ii. p. 256. 
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