Books for the Lovers of Nature 



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YOU'VE heard, no doubt, of the lady who loved 

 nature because it was so natural? So many write- 

 ments on nature, while they have the charm of a 

 fascinating subject are, unfortunately, not natural. De- 

 pendence may be placed upon the authenticity of these: 



The Beaver. Its Works and Its Ways 



By Edward Royal Warren. Amply illustrated, and 

 covering the beaver wherever he may be found, the book 

 tells the truth about a much lied-about animal. $i.oo 



Animal Life in the Carlsbad Cavern 



By Vernon Bailey. That a cavern should have an 

 animal life is somewhat unusual. Carlsbad and its environs 

 possess an amazing fauna. $i.oo 



Leaf-Mining Insects 



By James G. Needham et al. The leaf-miners have a 

 singular importance economically, besides being excep- 

 tionally interesting little folk. $6.00 



Fogs and Clouds 



By Wm. J. Humphreys. Literally a picture-dictionary 

 of the nearer heavens. Includes nearly a hundred cloud-pho- 

 tographs, enabling one to identify the various forms and 

 read what they mean. $4.00 



Rain-Making and Other Weather Vagaries 



By Wm. J. Humphreys. Nature makes rain and drought. 

 But man cannot control it, though he has tried hard. A 

 book to make one weather-wise. $2.. 50 



The Williams & Wilkins Company 



BALTIMORE, U. S. A. 



