606 BIIiDS OF THE GALAPAGOS ARCHIPELAGO— niDGWAT. vol.xix. 



J\feani(retnenl8 of Jiuioi-idex phtmbeiis. 



ber. 



101322 



l{)i;i27 



11U029 



116030 



583 



116088 



116089 



2()9 



llGlliT 



178 



226 



269 



396 



Collec- 

 tion. 



U.S. 



U.S. 



U.S. 



U.S. 

 J3. &A. 



U.S. 



U.S. 

 B &A. 



U.S. 

 B. &A. 

 B. &A. 

 B. ct A. 

 B. & A. 



Sex and iigo. 



Adiilti 



Adult nialo . . 



do 



Adult female . 



do 



Adult nialo . .. 

 Adult ft-nialo . 

 Adult male . . 



do.'^ , 



Adult feuialo . 

 Adult lualo . . 



do 



do 



Locality. 



Date. 



Chatham Island .. 



do(?) 



Jauir-s Lsland 



do 



do 



Hood Island 



do 



do 



Abin<:don Island . 

 Charles Island. . .. 

 lardner Island. . . 

 Barriujitou Island 

 Albemarle Island. 



Average 



Aug. 19, 1884 



(?) 

 Apr. 11, 1888 



do 



Aug. 18, 1891 

 Apr. 7,1888 



..-. do 



July 5,1891 

 Aj.r. 16,1888 

 July 1,1891 

 July C, 1891 

 July 9.1891 

 July 14, 1891 



0.57 



.58 

 .57 

 .59 

 .57 

 .59 

 .53 

 .60 



1.95 1.85 



2.10 1.85 



2.02 1.73 



2.131 1.90 



1 85 1.76 



2 15 1.90 

 2 00 1.87 

 1 72I 1.95 



.601 2.001 1.88 



.60! 1.931 1.66 



. .59, 2. 10! 2. 06 



. 59 1. 731 1. 65 



. 59 1. 78 1. 65 



.581 1.95 1.74 



'" Upper mandible black, lower wbitisli; feet slate color.' (Dr. William 11. Junes, U. S. X.,MS.) 

 s "Breeding. Feet and legs reddisli." (C. H. Townsend, MS.) 



Genus NYCTANASSA, Stejneger. 



Nyctherodius, Reichexhach, Syst. Av., 1852, p. xvi (nee Xycterodiua, Macgilli- 



VRAY, 1842). Type, Ardea violacea, Liuua-us. 

 Xyetanassa, Stejne(;er, Proc. U. S. Nat. Mu.s., X, Aug. 3, 1887, p. 295. Same type. 



Range. — Wanner parts of America. Galapago.s Archipelago (the 

 commoii continental and only known species). 



NYCTANASSA VIOLACEA (Linnaeus). 



Ardea violacea, Linn.^us, Syst. Nat., lOtli ed., I, 1758, }>. 143. 



Nycticorax violaceus, Gould, Zool. Voy. Beagle, III, Birds, 1841, ]>. 128 (Galapa- 

 gos Archipelago). 



Ardea violacea, L. (var. ?), Sundkvall, Proc. Zool. Soc, 1871, pp. 125, 128 (Gala- 

 pagos). 



Xyctana>^sa violacea, Stejneger, Proc. U. S. Nat. Mus., X, Aug. 3, 1887, p. 295, 

 footnote. 



Xycticorax pauper, Sclater and Salvin, Proc. Zool. Soc, 1870, pp. 323, 327 

 (Indefatigable Island, Galai>agos Archipelago). — Sai.vin, Trans. Zool. Soc, 

 IX, Pt. IX, 187r), p. 498 (Indefatigable Island).— Eidgway, Proc. U. S. Nat. 

 Mus., XII, 1889, p. 114 (Hood and Indefatigable islands). 



Range. — Warm-temperate North America, east of Rocky Mountains, 

 whole of Middle America, and warmer ])arts of South America. Gala- 

 pagos Archipelago: Albemarle Island (Baiir and Adams); Hood Island 

 (Albatross, Baiir and Adams); Chatham Island (Baur and Adams); In- 

 defatigable Island (Ilabel). 



Adult specimens of the Yellow-crowned I^ight Heron from the Gala- 

 pagos Islands are (juite indistinguishable from North American exam- 

 ples, the Nycticorax pauper of Sclater and Salvin having been based 

 on immature birds, in a stage of i)lumage which occurs also among con- 

 tinental specimens. I'lacing together four adults from the Galapagos 



