CATALOGUE OF BRITISH CRUSTACEA. 
45 
2. Mysis spinulosus. Leach’s Opposum Shrimp. 
Mysis spinulosus, Leach , Linn. Trans, xi. p. 350 ; Desm. Cons. p. 
242 ; M. Edw. Crust, ii. p. 467. 
Pi'aunus flexuosus, Leach, Ed. Enc. vii. p. 401. 
Mysis spinulosa, Leach, Sam. Ent. U. Comp. p. 99. 
Mysis Leachi, Thomp. Zool. Res. p. 27. 
a — e. Firth of Forth. From the collection of Dr. Leach. 
/. — g. Devon (Salcombe). 
3. Mysis vulgaris. Common Opossum Shrimp. 
Mysis vulgaris, Thomp. Zool. Res. p. 30, pi. 1 ; Thomp. (W.) Ann. 
Nat. Hist. xx. p. 241. 
British Seas. 
4. Mysis integer. Arran Opossum Shrimp. 
Mysis integer, Leach, Linn. Trans, xi. p. 350; Desm. Cons. p. 242; 
M. Edw. Crust, ii. p. 460. 
Praunus integer, Leach, Ed. Enc. vii. p. 401. 
Mysis Scoticus, Thomp. Zool. Res p. 30. 
a — d. Arran (Loch Ranza). From the collection of Dr. Leach. 
2. MACROMYSIS. 
Macromysis, White, List of Crust, in Brit. Mus. (1847) p. 81. 
Themisio, Goodsir, Edin. New Phil. Journ. xxxiii. (not Guerin). 
r 
1. Macromysis longispinosus. Opossum Shrimp. 
Themisto longispinosus, Goodsir, Edin. New Phil. Journ. xxxiii. 
p. 176, t. 2, f. 4. 
Macromysis longispinosa, White, List of Crust, in Brit. Mus. 
(1847) p. 81. 
a, b. Firth of Forth. Presented by Henry Goodsir, Esq., R.N. 
2. Macromysis brevispinosus. Short-spined Shrimp. 
Themisto brevispinosa, Goodsir, Edin. New Phil. Journ. xxxiii. p. 
177, pi. 2, f. 9. 
