CATALOGUE OF BRITISH CRUSTACEA. 
121 
4. Lepeofhtheirus Hippoglossi. Halibut Fish-louse. 
Lepeophtheirus Hippoglossi, Baird , Brit. Ent. p. 276, t. 32, f. 12. 
Caligus Hippoglossi, Kroyer , Nat. Tidsk. i. p. 625, t. 6, f. 3, J . 
Caligus hippoglossis, M. Edw. Crust, iii. p. 456. 
Binoculus piscinus, O. Fabr. Faun. Gr. p. 239. 
a — j. Berwick Bay (on Halibut). Presented by Dr. Baird. 
5. Lepeophtheirus obscurus. Brill Fish-louse. 
Lepeophtheirus obscurus, Baird, Brit. Ent. p. 277, t. 32, f. 11. 
Belfast Bay (on Brill). 
6. Lepeophtheirus Titompsoni. Turbot Fish-louse. 
Lepeophtheirus Thompsoni, Baird, Brit. Ent. p. 278, t. 33, f. 2. 
Ireland (on Turbot). 
1. CHALIMUS. 
Chalimus, Bunn. Nov. Act. Cur. Bonn. xvii. 
1. Chalimus scombri. Long-snouted Sucker. 
Chalimus scombri, Burm. Nov. Act. Nat. Cur. xvii. p. 294, t. 13, f. 
13, 18; M. Edw. Crust, iii. p. 457 ; Kroyer, Nat. Tidsk. ii. p. 20, 
t. 1, f. 1 ; Baird, Brit. Ent. p. 279, t. 33, f. 5, 5 a b. 
Ireland (Belfast Bay). 
1. TREBIUS. 
Trebius, Kroyer, Nat. Tidsk. ii. 
1. Trebius caudatos. The Skate Fish-louse. 
Trebius caudatus, Kroyer, Nat. Tidsk. ii. p. 30, t. 1, f. 4 ; M. Edw. 
Crust, iii. p. 458 ; Thomp. Ann. May. Nat. Hist. xx. p. 248 ; 
Baird, Brit. Ent. p. 280, t. 33, f. 3, 4. 
a — d. On “ Sharp-nosed Ray.” Old collection. 
e — g. Ireland (Belfast Bay, on Skate). Presented by W. Thomp- 
son, Esq. 
M 
