NATATORES. 26 



ALCAD^E. (Family in. continued.) 



320. EINGED GUILLEMOT. 



Uria Lachrymans. Tern. 



321. BLACK GUILLEMOT. 



Uria Grylle. Lath. 



322. LITTLE AUK. 



Mergulus Alle. Sonap. 



323. PUFFIN. 



Mormon Arcticus. III. 



324. EAZOE-BILL. 



Utamania Torda. Leach. 



325. GEEAT AUK. 



Alca Impennis. Linn. 



PELECANIDJE. (Family iv.) 



326. COMMON COEMOEANT. 



Phalacrocorax Carbo. Guv. 



327. SHAG, OE GEEEN COEMOEANT. 



Phalacrocorax Cristatus. Cm. 



328. GANNET. 



Sula Bassana. Briss. 



329. BLACK-BELLIED DAETEE. 



Plotus Anhinga. Linn. 



OBDBE VII. 



LARULE. (Family v.) 



330. COMMON TEEN. 



Sterna Hirundo. Linn. 



331. AECTIC TEEN. 



Sterna Arotica. Tern. 



