614 BIRDS OF THE GALAPAGOS AliCHlPELAGO—RIDGWAY. vol.xix. 



specimens (13 from Chatham, 2 from Albemarle). These show that the 

 characters upon wliifli ]\g((hiiK(fieHsi.sv.-nii sepai'aled from P. haJiaineusis 

 are quite constaut, every specimen, females as well as males and young 

 as well as adults, showing the distinct speckling of the sides of the 

 head. 



"■Light-colored triangular space on sides of upi)er mandible at base 

 madder brown tinged with verjiiiliou." (Adams, MS.) 



Genus QUERQUEDULA, Stephens. 



Querqiiedula, Stephkns, Gen. Zool., XII, Pt. ii, 1824, p. 142. Type, Anas quer- 

 quedula, Liniiicus. 



Range. — Nearly cosmopolitan. Galapagos Archipelago (one species, 

 said to be identical with a species of the more southern jiarts of South 

 America). 



QUERQUEDULA VERSICOLOR (Vieillot). 



Anas versicolor, Vieillot, Nouv. Diet. d'Hist. Nat., V, 1816, p. 109 

 Querquedula versicolor, Cassin, Gillis.s's Exped., II, 18.56, p. 203. — .S.\LVIX, Traua. 

 Zool. Soc., IX, l*t. IX, 1876, p. 499 (Galapagos, fide .Suudevall). — Sclatek 

 and Salvin, Proc. Zool. Soc., 1876, p. 388 (description and synonymy). 

 Anas mnculirosiris, Lichtenstein, Verz. Doubl. 1823, p. 81. — Sundevall, Proc. 

 Zool. Soc., 1871, p. 126 (Galapagos Islands). 



J?rtM.r/e.— Southern South America, north to Argentine Republic and 

 Chile. Galapagos Archipelago (no locality, Kiuberg). 



Family COLUMBID.E. 



Genus NESOPELIA, Sundevall. 



Nesopelia, Sundevall, Math. Nat. Av. Disp., 11K72, p. 99. Type, Zenaida r/alapa. 

 ijoensis, Gould. 



Generic characters. — Similar to Zenaida, Bonaparte,' but tail propor- 

 tionally shorter and less graduated, composed of 11* instead of 14 

 rectrices; bill longer and stouter, with arched terminal portion of 

 maxilla half as long as middle toe (without claw) instead of much less; 

 legs and feet larger and stouter. 



Mange. — Peculiar to the Galapagos Archipelago. 



NESOPELIA GALAPAGOENSIS (Gould). 



Colomhi-Galliiic dcs Gallapaf/os, Neboux, Rev. Zool., 1840, ]». 290 (Chaiics Island, 

 Galapagos Archipelago). 



Zenaida (lalapagoeusts, Goild, Zool. Voy. Beagle, III, IJirds, 1841, ]>. 11.3, j)!. 

 xlvi ((ialaj)agos Arcliipelago). — ScLATERand Salvin, Proc. Zool. Soc, 1870, 

 p. 323 (Indefatigable and Bindloe islands. — S.vlvin, Trans. Zool. Soc, IX, 

 Pt. IX, 1876, p. 499 (Cliarles, Indefatigable, Bindloe. and James islands). — 

 RiDGWAV, Proc. U. S. Nat. Mus., XII, 1889, p. 116 (Indefatigable. Duncan, 

 James, and Hood islands). 



^Zenaida, Bonaparte, Geog. and Comj). List, 1838, p. 41. Type, Columha zenaida, 

 Bonaparte. 



