34 Bonaparte's Catalogue of Birds. 



356. *Colimbis arcticus, L. (?) Colymbus arcticus, Lath. Temm. — 



Buff, pi. enl. 914, young. 



11357. 'Colymbus septentrionaeis, Speckled Diver of "Wilson's list. (a) 



[L. Buff. pi. enl. 308, adult; id. 992, 

 young - . 



GENUS 79. *URIA, Briss. 

 subgenus r. *uria. 



358. *Uria troile, Lath, (b) Colymbus troile, L.— Buff. pi. enl. 



903, adult summer dress. 



359. *Uria grylle, Lath. Colymbus grylle, L. 



SUBGENUS II. *CEPHrS, CUV. 



360. *Uria alle, Temm. Alca alle, Wils. 9. p. 94, pi. 74, 



fig. 5. 



GENUS 80. *MORMON, 111. 

 11361. *Mormo» arctica, Nob. Puffin of Wilson's list— Buff. pi. 



enl. 275. 



GENUS 81. *ALCA, L. 



azor-bill of 

 enl. 1104, 

 1103, adult summer dress. 



|S62. *Alca touua, L. Razor-bill of Wilson's list.— Buff. pi. 



enl. 1104, adult winter dress; id. 



RECAPITULATION. 

 Species given by Wilson, - 270 (179 land, 91 water birds) 

 Specks given in my first volume, 16 ( 16 " 00 " " ) 



Species to be given is my sub- 



SKUUEXT VOLUMES, 



Of which || twenty-four were in- 

 dicated bv \\ ilson. 



76 ( 14 " 62 " " ) 



362 (209 land, 153 water birds.) 



•Species common to the United 



States and Europe, - - 116 ( 27 land, 89 water birds) 

 Species not found in Europe, 246 (182 " 64 " " ) 



362 (209 land, 153 water birds.) 



Of the 81 genera in which the 362 species inhabiting the U. States 

 are classed in our system, 63* arc common to Europe and America, 

 whilst LS have no representative in the former country. 



Out of 37 natural families that we admit in the class of birds, North 

 America possesses 28, of which two only are not found also in Europe. 



(a) This rwme(Ci lymbu ' 11 itus, auct.) belongs exclusively to the young; we 

 have never met with the adult in the United States. 



(It) Here ought to be placed Una brunnichii. Sabine, so common in Baffin's Bay 

 ami other high northern latitudes; but we have not I een able to trace ii along the 

 coast of the I nited States. 



