. [Collected reprints, 1911-1931. Ornithology; Mammals. 1924] Swarth: Birds and Mammals of the SkeenaBiver Region 333 Lagopus rupestris (Gmelin), Rock Ptarmigan Three specimens collected on Nine-mile Mountain, two young birds (nos. 42033-42034.) partly in natal down, partly in juvenal plumage, taken August 1, and an adult female (no. 42035) collected August 5. '•teHSj.'HPCB'rt'^^M*^ f^*A*'':'>'»«?*'TC-^v^rt* ' jipii^. Fig. A. Tail of female rock ptarmigan Cno. 42035), natural size. The outermost feather on each side is widely spread from the others to show pattern of coloration on i
. [Collected reprints, 1911-1931. Ornithology; Mammals. 1924] Swarth: Birds and Mammals of the SkeenaBiver Region 333 Lagopus rupestris (Gmelin), Rock Ptarmigan Three specimens collected on Nine-mile Mountain, two young birds (nos. 42033-42034.) partly in natal down, partly in juvenal plumage, taken August 1, and an adult female (no. 42035) collected August 5. '•teHSj.'HPCB'rt'^^M*^ f^*A*'':'>'»«?*'TC-^v^rt* ' jipii^. Fig. A. Tail of female rock ptarmigan Cno. 42035), natural size. The outermost feather on each side is widely spread from the others to show pattern of coloration on inner web. Drawn by Allan Brooks. There are not available enough summer specimens from other points to enable me to determine the subspecific status of these birds. There is at hand one summer-plumaged female from the Jade Mountains, north of the Kowak River, collected May 28, 1899 (no. 32170), pre- sumably representative of Lagopus rupestris rupestris. Compared with the Nine-mile Mountain female, the Jade Mountains specimen is much brighter colored. There is a great deal of bright hazel in the plumage. The Nine-mile Mountain bird has a smaller bill (as com- pared also with many winter females from the Kowak River region), and is darker colored. Areas on individual feathers that in the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Swarth, Harry Schelwald, 1878-. s. l. , s. n.
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