358 Biological Stains 



WiNTREBERT, P. 



1932. La conservation dans les coupes de paraffin des marques vitales au 

 brun Bismarck et au sulfate de bleu de Nil, faites sur les oeufs vi- 

 vants d'Amphibiens. Compt. Rend. Acad. Sci. Paris, 194, 1013-15. 

 Abs. in Stain Techn., 8, 161. 



Wolf, F. T. 



1938. Cytological observations on gametogenesis and fertilization of Achlya 



flagellata. Mycologia, 30, 456-67. (Picric acid as a counterstain to 

 crystal violet.) 



Woodruff, L. L. 



1926. The versatile Sir John Hill, M.D. Amer. Nat., 60, il7-It2. 



Wright, J. H. 



1902. A rapid method for the differential staining of blood films and malarial 

 parasites. J. Med. Res., 7, 138-kk- 



Yegian, D. and Porter, K. R. 



1944. Some artifacts encountered in stained preparations of tubercle bacilli. 

 I. Non-acid-fast forms arising from mechanical treatment. J. Bad., 

 48, 83-90. 



YoE, J. H. and Boyd, G. R. 



1939. Patent blue V as a pH and redox indicator. Ind. Eng. Chem., Anal. 



Ed., 11, It92-3. 



Zahl, p. a. and Waters, L. L. 



1941. Localization of colloidal dyes in animal tumors. Proc. Soc. Exp. Biol. & 

 Med., 48, 304-10. 



ZiMMERMANN, A. 



1893. Beitrage zur Morphologic und Physiologic der Pflanzenzelle. Bd. IL 

 Tubingen, 1893. 35 pp. (Iodine green as chromatin stain for plant 

 cells.) 



ZSCOKKE, E. 



1888. Uebsr einige neue Farbstoffe beztiglich ihrer Verwendung zu histolo- 

 gischen Zwecken. Zts. Wis. Mikr., 5, 465-70. (Benzopurpurin in 

 cont ist to hematoxylin.) 



