LARID^E. 175 



d. STERNIN^. 



The CASPIAN TERN. SYLOCHELIDON Caspia, Brekm. 

 Sterna Caspia, Pall. Nov. Com. Petr. xiv. 582. St. 

 megarhyncha, Mey. Sparm. Mus. Carls, t. 62. St. 

 Tschegrava, Lepech. 



a. British Channel. 



b. Sierra Leone. Presented by Capt. Sabine, R.N. 



c. Gambia. 



The GREAT-BILLED CRESTED TERN. SYLOCHELIDON mag- 

 nirostris. Sterna magnirostris, Spix. Av. Braz. t. 104. 



a. British Guiana. Presented by Chev. Schomburgk. 



The CRESTED TERN. SYLOCHELIDON poliocerca. Sterna 

 poliocerca, Gould, Proc. Zool. Soc. 1837. p. 26. St. 

 Caspia, var. Lath. Phill. Voy. p. 160. pi. p. 77. 



a. River Derwent, Australia. From Mr. Gould's Col- 

 lection. 



b. Australia. Presented by J. Gould, Esq. 



c. Australia. From Mr. Gould's Collection. 



d. Young. Van Diemen's Land. From Mr. Gunn's 

 Collection. 



e. Very young. Rottnest Island, Western Australia. 

 From Mr. Gould's Collection. 



f. Port Bowen, Van Diemen's Land ? Presented by J. 

 B. Jukes, Esq. 



The ORANGE-BILLED TERN. SYLOCHELIDON aurantia. 

 Sterna aurantia, Gray, III. Ind. Zool. t. 69. f. 2. (adult.) 

 S. brevirostris, Gray, III. Ind. Zool. t. 59. f. 1. (young.) 



a. India. Presented by J. Gould, Esq. 

 6. India. Presented by Capt. Johnson. 

 c. d. Nepaul. Presented by B. H. Hodgson, Esq. 



