NATATORES. 27 



LARID^E. (Family v. continued.) 



332. ROSEATE TEEN. 



Sterna Douglalii. Mont. 



333. EUPPELL'S TEEN. 



Sterna Velox. Ruppell. 



334. LESSEE TEEN. 



Sterna Minuta. Linn. 



335. BLACK TEEN. 



Hydroclielidon Nigrum. Boie. 



336. WHITE- WINGED BLACK TEEN. 



Hydrochelidon Leucopterum. Bonap. 



337. WHISKEEED TEEN. 



Hydrochelidon Leucopareia. Bonap. 



338. SOOTY TEEN. 



Hydrochelidon Fuliginosum. Bonap. 



339. NODDY TEEN. 



Megalopterus Stolidus. Boie. 



340. SANDWICH TEEN. 



Thalasseus Caiitjacus. Boie. 



341. GULL-BILLED TEEN. 



Gelochelidon Anglica. Bonap. 



342. CASPIAN TEEN. 



Sylochelidon Caspia. Brehm. 



343. SABINE'S GULL. 



Xema Sabini Leach. 



344. LITTLE GULL. 



Xema Minutum. Boie. 



345. BONAPAETE'S GULL. 



Xema Bonapartii. Bonap. 



346. MASKED GULL. 



Xema Capistratum. Boie. 



