Vol. XI, No. 4. 



v^^ ^y\, u r ^ 



I 



APRIL, 1890. 



No. 124. 



The American 



MICROS 



MONTHLY 



I 



CONTAINING 



CONTRIBUTIONS TO BIOLOGY. 



CON TENTS 



Concerning the Rules and the Application 

 of Reicheit's H^mometer. — Gaert- 

 NER (Illustrated) 



Detroit Meeting of the American Society 

 of Microscopists. — Fell. 



How to Clean Old Slides and Utilize 

 Spoiled Mounts. — Whelpley. 



Is there a science of Microscopy.? — Sea- 

 man. 



Aniline Stains for Microscopic Objects. — 



HUEPPY. 



A New Diatom Mounting Medium. — 

 Weir. 



Cleaning Diatoms. — Moles. 



Medical Microscopy.— The Diagnostic 

 Value of the Phosphates in Pregnancy. 

 Bacteriology in Johns Hopkins Hos- 

 pital. 



Editorial. 

 Men. 

 Slides Recei 



Notes. — King's CemenTi^T^iiKIount the 

 Tongue of a Fly. Mounting Media 

 for Perishable Crystals. Paris Exhi- 

 bition, 1SS9. Typographical Errors 

 over the word Microscope. Breath- 

 Screen. 



QiiERiES. — The Ailing Record Book. 

 Ward's Microscopical Slide Catalogue. 

 Focussing the Chemical Rays. 



Microscopical Societies. — W ashing- 

 ton, D. C. San Francisco, Cal. 



Notices OF Books. — Phin. Allen. Wil- 

 liams. Bray. 



Subscribers' Notices. 



Chas. W. Smiley, Publisher, Washington, D. C. 

 Terms: For the United States $L00. For Great Britain, 5 Shillings. 



WASHINGTON 

 Gibson Brothers, Printers 



Copyright, 1890, by Chas. W. Smiley. All rights reserved. 



