C. H. STOELTING CO. 



3 1 45 W. RANDOIFH ST.. CHICAGO 



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Botanical Apparatus and Supplies 



for Morphology, Physiology, Ecology 



SPECIALTIES 



Potometer, Clinostats, Auxometer, Wardian 

 Cases, Clement's Photometer, Etc. 



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For showing on the screen op.-iqne ohj-'Cts. book 

 Ulustrations. engravings, and lantern slides. 

 It is tlie most perfect instrument of itskina. 

 It has a detachable Book-IIoUler. 

 It concentrates all light on the object. 

 It shows printed matter correctly. 



Cfrect Vision Specii^scopes 



Especially arranged for ^'^"^^tional use. We 

 can import thesedutyfreeat extremely low pnc«.. 



Wireless Teiegraph OutfUs 



For school room and experimental work. Com- 

 plete sending and receiving stations. 



Lat^tetn Slides— Microscop'c Sndes 



Illustrating BO tany.GeoiogyaTi<Iother«:iences, 



Lists on application. 



WiUIAHS, BROWN & EARLE, 

 Deot 24. 918 Chestnut Street, phtiadelphu. Pfc. 



i 



PRACTICAL EXERCISES IN M ICROSCOPICAL VIE i HODS 



By 



MICHAEL F.GUYER 



Professor of Zoology in The University 



of Cincinnati 



An indispensable book for teacher. 

 physician, student, or novice who wishes 

 to iearn how to prepare his own mate- 

 rial for microscopical examination. There 

 are special chapters on the preparation 

 and examination of embryolbgicai ma- 

 terial, blood, bacteria, and objects of 

 general interest, and on the collection 

 and preparation of material for the 

 microscopical work in a course inelement- 



ary zoology. In an appendix nearly 

 three hundred tissues and organs with 

 directions for properly preparing them 

 for microscopical study are tabulated. 

 Sufficient account of the theoretical side 

 of microscopy is given to enable the 

 student to get satisfactory results from 

 «is microscope. 



2» po.^ S^oof net $U7S, postr^'-f Sl-SS 



ADDRESS "EPT. P 



TBE 



CWCA 





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ITALIAN 



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^ eveiy descnptioo 



filSCESCO TOCC!. 520 Broad^'ay. 



NE'Jtf YORK. 



Works of: Barrili. Botli. Caccianiga, Capra- 



delta, D'Annunxio. De Amicis. De Marchi, 

 Farina, Fogazzaro. Giacosa, Neera. N^. 

 Praga. Rovetta. Serao. and other leading wnW. 

 always on hand. 



Catalogue mailed on appUca^n. 



Lectures on 



^-^rt.^tlOIiS 



^*»- 



^T OSKAK BOLZA, P^.I>. 



$4.00, net; $4.t6,P>stpaid 



CHICAGO and i^ ^^^^^ ^^'— °* 



XVIL J-__ 



