. The conservation of the wild life of Canada . arles Sheldon* describes the following types:The narrow type, sometimes with very close spiral; thediverging type, often with a very wide angle from the per-pendicular—both these types occur with massive or slenderhorns; a type with horns very much curled, the tips extend-ing up well beyond the eyes; a type with very small, com-pact, curled horns, often well wrinkled in age, but veryslight in weight; a type large at the base, and abruptlytapering outward to thinness; a type with horns curvingwithout elevation from the skull, having the appearance
. The conservation of the wild life of Canada . arles Sheldon* describes the following types:The narrow type, sometimes with very close spiral; thediverging type, often with a very wide angle from the per-pendicular—both these types occur with massive or slenderhorns; a type with horns very much curled, the tips extend-ing up well beyond the eyes; a type with very small, com-pact, curled horns, often well wrinkled in age, but veryslight in weight; a type large at the base, and abruptlytapering outward to thinness; a type with horns curvingwithout elevation from the skull, having the appearance oflow horns; another, the reverse, in which the horns risecurling almost directly upwards from the skull, having the *Loc. cit., Appendix F. 138 136 134 132 130 128 126 124 122 120 Illustrating the distribution of Black Mountain Sheep iOvisS!tonei) and White Mountain Sheep {Oins dalli) with the In-termediate colour grades in Canada (after Sheldon).The limits indicated on the map arc provisional only, butare in accord with present ILLUSTRATING DISTRIBUTION OF MOUNTAIN SHEEP IN AREASINDICATED ON THE MAP PLATE yill
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbirds, bookyear1921
