REVIEWS 75 



Selkirk Mountains and westward. Both species are found at Glacier. 

 They are not mentioned in this book, as they are not included in the 

 region explored. 



The floral displays are very beautiful, each season having its own 

 characteristic species. "The succession of flowering plants has re- 

 served mid-August for the glorious climax. From our tent we could 

 look over seas of untold millions of wild asters. For a quarter of a 

 mile in every direction the dominant tone was a pale lilac color. The 

 sun when it pours a flood of light over these wild flower gardens gives 

 a marvelous sensation of cheerfulness." The wild flowers are de- 

 scribed in considerable detail. A chapter on hunting, fishing, and wild 

 game and one on the stony Indian, won over to friendliness for the 

 white man through the noble life of early missionaries and subsequent 

 fair treatment by the Canadian Government, complete the book. 



The full-page photogravures are one of the best features of the book 

 and deserve special mention for their artistic beauty. Concerning these 

 the author says : "Many were obtained only after patient efifort and 

 long delays while waiting for a favorable opportunity. Nature, espe- 

 cially in the mountains, reveals her most inspiring moments so rarely 

 that only a tireless patience may claim the prize of a perfect picture." 



This work is on a par with John ]\Iuir"s "Yosemite \^alley," although 

 the author's style is different and does not perhaps quite reach the 

 sublime depths of feeling of that wonderful student of nature. 



H. D. T. 



Tidal Lands: A Study of Shore Problems. By A. E. Carey and 

 F. W. Oliver. Blackie and Son, London and Glasgow, 1918. Pp. xiv 

 and 284. Price, 12s. 6d. 



This book is by a marine engineer and "a longshore botanist." From 

 the engineering standpoint the book shows a wide experience and abun- 

 dant information regarding the works of other engineers. The botan- 

 ical part of the volume has been handled by a student of shore and 

 strand flora and their usefulness for preventing erosion. 



All who have studied the matter know that' Triticiim junceum, Are- 

 naria peploides, Salsola kali, and Cakle maritima are the first sand- 

 gatherers, but Ammophila arenaria, Glyceria maritima, Fescua rubra, 

 and Blymus arenarius soon arrive as the sands deepen. "P. arenaria, 

 with its tufty habit of growth, formed the summit of the sandhills, 

 while the broad spreading roots and leaves of B. arenarius secured the 



