BIRDS. 



11 



Anas 



Americana, American widgeon. 

 'acuta, pintail duck. 

 ' sponsa, wood or summer duck. 

 ' Carolinensis, green-winged teal. 

 ' discors, blue-winged teal. 



clypeaia, shoveller duck. 



FXJLIGOLA 



valisneriana, canvass-back duck. 



Ferina, red-headed duck. 

 ' Marila, scaup duck. 



mariloides, smaller scaup duck. 



rujitorqiies, ring-necked duck. 



rubida, ruddy duck. 



fusca, velvet duck. 



Americnjia, American scoter 

 duck. 



clangula, golden-eyed duck. 

 • albeola, white teal, or bufFel-head- 

 ed duck. 



glacialis, long-tailed duck. 



Fam, 39.— MERGING. 



Mergus 



' serrator, red-breasted merganser. 

 cucullatiis, shagpoll, or hooded 

 merganser. 



Fam. 40.— PELECANIN^. 



Phalacrocorax 



'Floridanus, Florida cormorant. 

 Plotus 



anhinga, snake bird, or plotus. 

 Pelecanus 



Americanus, white pelican. 

 Tachypetes 



aquilus, frigate pelican. 



fuscus, brown pelican. 



This Catalogue embraces 1 



SULA 



bassana, common gannet. 

 fusca, booby gannet. 



Fam. 41.— LARINJE. 



Rhynchops 



. nigra, black skimmer. 

 Sterna 



cayana, cayenne tern. 

 anglica, marsh, or gull-billed 

 tern. 

 • hirundo, common tern. 

 nigra, black tern. 

 minula, least tern. 

 Larus 



Bonapartii, Bonaparte's gull. 

 . alricilla, black-headed, or laugh- 

 ing gull. 

 argenlatus,h.erx'mg, or silvery gull. 

 marinus, great black-backed gull. 



Fam. 42.— PROCELLARIN^. 



PUFFINUS 



cinereus, wandering shearwater. 

 obscurus, dusky shearwater. 

 Thalassidroma 



Wilsonii, mother Carey's chicken. 



Fam. 43.— COLYMBIN^. 



COLYMBUS 



glacialis, great northern diver. 

 arclicus, black-throated diver. 

 se.pLcntrionalis, red-throated diver 



PODICEFS 



cristatus, crested grebe. 

 cornutus, horned grebe. 

 Carulinensis, conunon diver or 

 grebe. 

 10 Genera, and 273 Species. 



NOTES. 



(') BuTEO LiNEATDS. AuduboH is probably correct in the opinion that this hawk 

 is identical with the B. hyemalis of Wilson, Bonaparte and Nuttall ; age makes 

 considerable diflerenoe in the plumage. 



(2) Bubo Asio. Many ornithologists believe that Audubon has confounded two 

 distinct species under this name. According to him the Stiix (or Bubo) ncvvia, oi 

 gray owl of Wilson and others, is nothing more than the adult of the Z>. Asio, or 

 red owl of the same writers. The specific identity of the two birds which Wilson 

 had described as distinct under the above names, was first publicly maintained by 

 Charles Lucien Bonaparte. In this opinion the French ornithologist is supported 

 by Audubon and Dr. Bachman. On the contrary, the observations of Dr. Ezra 

 Michener of New Garden, Chester county, Pennsylvania, published in the eighth 

 volume of the Journal of the Academy of Natural Sciences, of Philadelphia, seem 

 to indicate that they are specifically distinct. He observes that the red owls rear 



