2/6 



VERTEBRATES : BIRDS. 



Tropic-Bird, P. flavirostris, Brandt, of Florida, which is 

 thirty inches long, and the wing eleven inches ; the gen- 

 eral color white, the wings banded with black. 



PROCELLARID.E, OR PETREL FAMILY. This Family 

 comprises swimming birds which have the bill more or 

 less lengthened, compressed, deeply grooved, and appear- 

 ing as if formed of several distinct parts ; and nostrils 

 opening from distinct tubes. They are all oceanic. 



The Genus Diomedia Albatrosses has the bill pow- 

 erful, much curved, acute, and the upper mandible grooved 



Fig. 144 



Sooty Albatross, D.ftdiginosa, Gm. 



its whole length, and great extent of wing. The Wan- 

 dering Albatross, D. exulans, Linn., of the Pacific, is 

 forty-four inches long, and the wing twenty-four inches ; 

 color white, with narrow transverse lines of black above. 

 The Short-tailed Albatross, D. brachyiira, Temm., of the 

 North Pacific, is about thirty-six inches long, and the 

 wing twenty inches ; general color white. The Yellow- 

 nosed Albatross, D. chlororhynchns, Gm., of the Pacific, 

 is thirty-six inches long, and the wing twenty-two inches. 



