. Handbook of birds of the western United States including the great plains, great basin, Pacific slope, and lower Rio Grande valley . ORDER GALLING: GALLINACEOUS BIRDS. (Families Tetraonid^, Phasianid^, and ) FAMILY TETRAONIDiE: GROUSE, , ETC. KEY TO GENERA. 1. Legs feathered down to hase of toes. • 2. Tail feathers narrow and pointed. Centrocercus, p. 133. 2. Tail feathers broad and Sides of neck with tuft of feathers. Tympanuchus, p. J^ig. ib-k. lU GROUSE, PARTRIDGES, QUAILS, ETC. 3. Sides of neck without tuft of feathers. 4. Tail strikingly gradua
. Handbook of birds of the western United States including the great plains, great basin, Pacific slope, and lower Rio Grande valley . ORDER GALLING: GALLINACEOUS BIRDS. (Families Tetraonid^, Phasianid^, and ) FAMILY TETRAONIDiE: GROUSE, , ETC. KEY TO GENERA. 1. Legs feathered down to hase of toes. • 2. Tail feathers narrow and pointed. Centrocercus, p. 133. 2. Tail feathers broad and Sides of neck with tuft of feathers. Tympanuchus, p. J^ig. ib-k. lU GROUSE, PARTRIDGES, QUAILS, ETC. 3. Sides of neck without tuft of feathers. 4. Tail strikingly graduated, middle feathersmuch the longest. Pedioecetes, p. 131.
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Keywords: ., bookcentury1900, bookdecade1900, bookidhandbook, booksubjectbirds
