ECHINOIDEA. 39 
Brissus CARINATUS. 
Spatangus carinatus, Lamk., 1816, Anim. sans Vert., p. 30. 
Brissus carinatus, Gray, Ann. Phil., 1825, p.9; id. Oat. Rec. 
Ech., p. 53 (1855) ; A. Agass., Rev. Ech., iii., p. 596. 
(a, 6) Port Jackson - : e : i Goll 
(¢ to e) %) (?) denuded tests s ea a 
(f, 7) Mauritius : r E A a kicch: 
Hab. East Coasts of Australia; Port Jackson ; Sandwich, 
East India, Society, Philippine, and Mauritius Islands. 
Var. B. cOMPRESSUS. 
Brissus compressus, dgass., Prod., p. 326. 
Spatangus compressus, Lamk., Hist., ii1., p. 326; Gray, Cat. Rec. 
Ech., p. 53 (1855). 
(a) Pelew Islands’ - : - - - - Exch. 
Hab. Pelew Islands; Mauritius. 
Brissus UNICOLOR. 
Brissus unicolor, Alein, 1734, Nat. Disp. Ech. ; A. Agass., 
Rev. Heh., ui, p. 598; id. 1. c.1., p. 97. 
Var. B. coLUMBARIS. 
Spatangus columbaris, Lamk., 1816, Anim. sans Vert., p. 30. 
Brissus columbarius, Gray, Cat. Rec. Hech., p. 54. 
(a,b) Jamaica - - - - : - Exch. 
Var. B. scrum. 
Brissus scille, Agass., 1836, Prod., p. 185; A. Agass., Rev. Ech., 
i, p. 97; Gray, Cat. Rec. Ech., p. 52 (1855). 
(a) Mediterranean - - . - - - Exch. 
Hab. Mediterranean. 
