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NA TURE-STUD Y RE VIEW [11 :5— May, 1915 



the forms of life constituting these two great departments is what 

 we now term Nature-Study, — Nature in this sense being a word 

 used to designate the crust of the Earth, as far as we may ever be 

 able to examine it, as well as all forms of life — zoological and 



Fig. i. The Common Dusky or Carolina Bat (Eptesicus fitscus), 

 male. A bat of wide range throughout the United States. 



