SYSTEMATIC REPORT. 



1. iEchmophorus occidentalis (Lawr.). [729.] Western G rede. 



An inhabitant of western North America, coming eastward to Mani- 

 toba. Twent3 T years ago Donald Gunn discovered this Grebe breeding 

 abundantly at Shoal lake and Lake Manitowaba, Manitoba (Smithson- 

 ian Keport for 1867, pp. 429-430). More recently Prof. John Macoun, 

 botanist to the Geological and Natural History Survey of Canada, found 

 it breeding " in thousands" on Waterhen river ; and still more recently 

 Mr. Ernest E. T. Seton (now E. E. Thompson) has recorded specimens 

 from Long lake, Manitoba (The Auk, Yol. II, 1885, p. 314). 



2. Colymbus holboellii (Reinh.). [731.] HoVboeWs Grebe; American Bed-necked 



Grebe. 



A northern species, coming south in winter irregularly to the northern 

 half of the Mississippi Valley ; has been taken as a rare visitant at 

 Alda, Nebr. Said to breed in northern Manitoba. 



3. Colymbus auritus Linn. [732.] Homed Grebe. 



Winters over most of the Mississippi Valley and breeds from northern 

 Illinois northward 5 reported by various observers in Missouri, Ne- 

 braska, and Wisconsin. In 1885 it arrived at Lake City, Minn., April 

 23. 



4. Colymbus nigricollis californicus (Heerm.). [733a.] American Eared Grebe. 

 Occurs throughout the western row of States in the district ; breeds 



from Texas northward, and winters from Texas southward ; was noted 

 by observers at Saint Louis, Mo., Manhattan, Kans., Ellis, Kans., and 

 Vermillion, Dak. In the spring of 1885 it was first reported from Em- 

 poria, Kans., April 14, and again April 30. At Saint Louis, Mo., the 

 first, a male, came April 24. In the fall of 1885 it was seen at Emporia 

 September 8 and at Saint Louis September 22. It remained at Saint 

 Louis until October 7. 



5. Colymbus dominicus Linn. [734.] St. Domingo Grebe. 



This is a tropical species, coming north to the valley of the lower 

 Eio Grande in Texas. Near Fort Brown it is a " rather common resi- 

 dent" (Merrill, Proc. U. S. N. Mus., 1878, p. 172). It occurs at least as 

 far up the river as Lomita ranch, above Hidalgo (Sennett, Bull. U. S. 

 Geol. and Geog. Sur. Ter., Vol. V, No. 3, 1879, p. 440). 



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