. The Canadian field-naturalist. Natural history. 102 The Canadian Field-Naturalist [Vol. XXXIIl Glacier Park has a wonderful natural variety of plants and animals, containing within its bound- aries areas ranging from the lower Transition Zone of its open plains borders, through the dense forests cf lodgepole pine, spruce and fir in the Canadian Zone at the base of the mountains, the narrow belt of dwarfted timber at or near timberline in the Hudsonian Zone, and the Arctic-Alpine Zone of the higher mountain-tops. Mr. Bailey has sketched briefly the botanical wealth of these varied climatic an
. The Canadian field-naturalist. Natural history. 102 The Canadian Field-Naturalist [Vol. XXXIIl Glacier Park has a wonderful natural variety of plants and animals, containing within its bound- aries areas ranging from the lower Transition Zone of its open plains borders, through the dense forests cf lodgepole pine, spruce and fir in the Canadian Zone at the base of the mountains, the narrow belt of dwarfted timber at or near timberline in the Hudsonian Zone, and the Arctic-Alpine Zone of the higher mountain-tops. Mr. Bailey has sketched briefly the botanical wealth of these varied climatic and life zones, but the book deals mainly with mammals and birds, and no one is better qualified to treat them thein Mr. Bailey with his lifetime of experience in field work in the West, accompanied on many trips by the accomplished "bird woman" who is his wife. While the book is of aid to every beginning naturalist or enquiring tourist who may visit the region, it will prove useful as a Baedeker for the most expert, telling him where the species he is most interested in may be found at the proper time. A good assortment of interesting life-his- tory notes on each species is given, with sug- gestions of many things which may be of value for succeeding visitors to the park to watch for and add to our knowledge. Most of the mammals are il- lustrated by photographs from life. The bird sec- tion is well illustrated by new life photographs from various sources, and well-selected reproductions of photographs, sketches, and paintings which have been used in other publications. A systematic key is given for the classification of the commoner sum- mer birds of the park which will be useful in other places in the northern Rockies. In addition to the plecisure and profit which this book gives to a person already interested in natural history, and its value as a strictly biological report, its chief value will probably lie in introducing the fascinating possibilities of wild life s
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