. Familiar life in field and forest; the animals, birds, frogs, and salamanders. Zoology. 144 FAMILIAR LIFE IN FIELD AND POKBST. like myself, have observed the animal only in the ISTorth, it would seem as though Dr. Merriam's theory, recently expressed, is the one which iB correct. My experi- ence inclines me to believe that the change from brown to white occurs altogether too suddenly, i„ i^^ ^i^ter'coat. m many in- stances, to admit of any other ex- planation than that which Dr. Merriam gives, quoted below. Elliott Cones says: " As Mr. Bell contends, tem- perature* is the immediate cont
. Familiar life in field and forest; the animals, birds, frogs, and salamanders. Zoology. 144 FAMILIAR LIFE IN FIELD AND POKBST. like myself, have observed the animal only in the ISTorth, it would seem as though Dr. Merriam's theory, recently expressed, is the one which iB correct. My experi- ence inclines me to believe that the change from brown to white occurs altogether too suddenly, i„ i^^ ^i^ter'coat. m many in- stances, to admit of any other ex- planation than that which Dr. Merriam gives, quoted below. Elliott Cones says: " As Mr. Bell contends, tem- perature* is the immediate controlling agent. This is amply proved in the fact that the northern animals always change; that in those from intermediate lati- tudes the change is incomplete, while those from far- * We may safely conclude that if the requisite temperature is experienced at the periods of renewal of the coat, the new hairs will come out of the opposite color; if not, they will appear of the same color and change afterward; that is, the change mayor may not be coincident with shedding. That it is ordinarily not so coincident seems shown by the greater number of specimens in which we observe white hairs brown tipped.—Fur-Bearing Ani- mals, page 1,23, E. Coues,. 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 Mathews, F. Schuyler (Ferdinand Schuyler), 1854-1938; Underwood, William Lyman, 1864-1929, phot. New York, D. Appleton and Company
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Keywords: ., bookauthorma, bookcentury1800, bookdecade1890, booksubjectzoology
