398 REFERENCE BOOKS 



WHIPPLE. Microscopy of Drinking Water. Wiley, New York, 1914. 

 WINTON. Microscopy of Vegetable Foods. Wiley, New York, 1906. 

 ZiMMERMANN-HuMPHREY. Botanical Microtechnique. Holt, New York, 1893. 



OSMOND, F. The Microscopic Analysis of Metals. Griffin, London, 1913. 

 ROBIN. Traite" de Metallographie. Hermann, Paris, 1912. 

 PREUSS. Prufung des Eisens. Springer, Berlin, 1913. 



WORMLEY. Microchemistry of Poisons. Blakiston, Philadelphia, 1885. 2nd ed. 



