By 

 MICHAEL F. GUYER 



Professor of Zoology in The University 



of Cincinnati 



An indispensable book for teacher, 

 physician, student, or novice who wishes 

 to learn how to prepare his own mate- 

 rial for microscopical examination. There 

 are special chapters on the preparation 

 and examination of embryological ma- 

 terial, blood, bacteria, and objects of 

 general interest, and on the collection 

 and preparation of material for the 

 microscopical work in a course in element- 

 try zoology. In an appendix nearly 

 tnree hundred tissues and organs with 

 directions for properly preparing them 

 tor microscopical study are tabulated, 

 sufficient account of the theoretical side 



'L m,< ; r ? COpy is S iven to enabl * the 

 student to get satisfactory results from 



«s microscope. 



250 PD " 8vo >' ™* tl.75, postpaid Si. 88 



ADDRESS DEPT P 



JHE UNIVERSITY OF CHICAGO PRESS 



CHICAGO 



NEW YORK 



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Young Marsh Hawks 



Lantern Slides 



for 



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^Ve are offering for the use of Schools, Audubon 

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NATIVE BIRDS AND INSECTS 



"We also offer lantern slides illustrating Zoology, 

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Circulars and Catalogue on application. 

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Manufacturers of Project Una Lajiterns, Microscopes 



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Dept. 24, 918 Chestnut Street, Philadelphia, Pa. 



B y SHIQEO 



History, of PolysipHcmia Violacea 



yAMANOUCH l, Fellow in Botany in the University of Chicago 

 v . * pages, io plates, 8vo, paper, net $i.oo, postpaid $1.05 



'SLTlOUS authnr k 



oft k group has n P £ blishe<1 ^counts of investigations on the red algae, but the true life-history 

 i* »itosis in »erm- Ver f g ' Ven * This pa P er P resents first th e results of the author's studies of 



Chi 



ADDRESS DEPT. P 



T *«E UNIVERSITY OF CHICAGO 



YorK 



SCIENCE TEACHERS AGREE 



that the 



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STEREOPTICON COMPANY 



CHICAGO, ILL. 



12 



