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By Herdman Fitzgerald Cleland, Ph.D., Pro- 

 fessor of Geolofry, Williams College. 

 720 pages. With illustrations. 



Price, $3.50 



Written by a geologist of national reputa- 

 tion, this textbook covers a year of college 

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 subject in a manner that is easily comprehen- 

 sible to the average student. 



In the section on physical geology, the 

 human relation has been emphasized whenever 

 possible, while in the historical section the 

 history of life from the evolutionist's point of 

 view has been taken up in broad outline. The 

 illustrations, of which there are nearly 600, 

 are one of the most vital and helpful features 

 of the book. 



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Principles of Breeding 



THREMMATOLOGY 



By Eugene Davenport, Dean of the College 

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8vo, cloth, 72 f pages, illustrated, $2.50 



An uptodate book with three purposes 



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Recent Articles 



Eltiba Wood : The Use of Crinoid Arms In Studies of 



Phylogeny $0.35 



Hkneyk Aeotowski : A Study of the Changes in the 

 Distribution of Temperature in Europe and North 

 America during the Years 1900 to 1909 76 



G. G. Scott: A Physiological Study of the Changes In 

 Muetelus canii produced by Modifications in the 

 Molecular Concentration of the External Medium .76 



Febdinand Fhiis Hintze. Jr.: A Contribution to the 



Geology of the Wasatch Mountains, Utah 80 



CEABLB9 Reinhard Fettee : The Manhattan Schist 

 of Southeastern New York State and its Associ- 

 ated Igneous Kocks 96 



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AMADEUS W. GRABAU, S.M.. S.D. 



PROFESSOR OF PALAEONTOLOGY IN 

 COLUMBIA UNIVERSITY 



Large Octavo, 1150 pages, with 254 illustrations in the text. 

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