150 Bulletin American Museum of Natural History, [Vol. XVI,

described below have been obtained for the Museum. They were procured through Mr. T. E. Wilson of Banff Hot Springs, Alberta.

The Cassiar form is named for my colleague, Prof. Henry F, Osborn, Curator of the Department of Vertebrate Palzon- tology, in recognition of his cordial assistance in obtaining funds to equip and maintain the Andrew J. Stone Expeditions.

Rangifer montanus Seton-Thompson.

Rangifer montanus Srton-THompson, Ottawa Naturalist, XIII, No. 5, Aug., 1899, 129. Type locality, Selkirk Range, near Revel- stoke, B. C. Type, mounted specimen, Museum Canadian Geologi- cal Survey, Ottawa, Canada.

Mr. Seton described the type of Rangtfer montanus as fol- lows:

“The general colour is a deep umber brown, very glossy, and dark- ening nearly to black on the lower parts of the legs. The neck is dull greyish white, also the underside, the buttocks, lips and belly. Along the ribs on each side is a greyish patch a little lighter than the sur- rounding brown. The white fringe above each hoof is shining white and very narrow.

”

Fig. 5. Rangifer montanus, 9 ad., No. 17973, Gold Range Mountains, B. C. About } nat. size.

The date of capture is given as 1889, the month or season not being stated. The specimens now described were killed the last week in September, and are apparently very much

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