NATATORES. 25 



ANATID^E. (Family I. continued.) 



303. EED-BEEASTED MEEGAJSTSEE. 



Merganser Serrator. Leach. 



309. GOOSANDEE. 



Merganser Castor. Leach. 



COLYMBID^E. (Family n.) 



310. GEEAT-CEESTED GEEBE. 



Podiceps Cristatus. Lath. 



311. EED-NECKED GEEBE. 



Podiceps Kubricollis. Lath. 



312. SCLAVONIAN GEEBE. 



Podiceps Cornutus. Lath. 



313. EAEED GEEBE. 



Podiceps Auritus. Lath. 



314. LITTLE GEEBE. 



Sylbeocyclus Minor. Bonap. 



315. GEEAT NOETHEEN DIYEE. 



Colymbus Glacialis. Linn. 



816. BLACK-THEOATED DIVEE. 



Colymbus Arcticus. Linn. 



317. EED-THEOATED DIVEE. 



Colymbus Septentrionalis. Linn. 



ALCAD^E. (Family in.) 



318. COMMON GUILLEMOT. 



Uria Troile. Lath. 



31 9. BEUNNICH'S GUILLEMOT. 



Uria Brunnichi. Sabine. 



H 



