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THE AMERICAN NATURALIST [Vol. XLI 



as ornithological specimens, nor wild flowers as material for herbaria. 

 Dr. Bigelow's expeditions are not for 'what one can get.' It is ap- 

 parent that within the present century the destruction of such irre- 

 placable plants and animals as remain will not be tolerated, either for 

 sport, for food, or for amateur collections. Since nature study in the 

 schools should save the swallows' banks from the small boy and 

 protect native plants from bouquet gatherers, it may prove of great 

 value to the community. Tliis, however, is not strongly presented in 

 Dr. Bigelow's book, which iiichides a photograph of eleven women 

 gathering bunches of violets, and recounts, as one of the author's 

 pleasurable rcnuiusctMKvs, the bloody death of a woodchuck. 



Dr. Bigelow's t\venty-thir(^ informal essays are enlivened by many 

 quotations and anecdotes; their author ai)i)rc( iat<>s th(> "fun of being 

 a naturalist" and his good natured lunnor is all at the expense of the 

 "bug-hunter's" critics. He is at home with hoys and girls for whom 



in St. Xirho/d.s; hilt the book here considered is addressed to parents 

 Heterogenesis. 'The idea that eggs of one species may give rise 



' Bastian, H. C. The evolution of life. Reviewed in \ature May 2 1907 

 vol. 76, p. 1. 



