Mavor & Feinherg—LympJiocystis Vitrei 
561 
. PAPER CITED. 
Awerinzew, S.—1909. Studien uber parasitische Protozoen. 
II Lymphocystis johnstonei AVoodc. und ihr Kernapparat. 
Arch. f. Protest. Bd. 14; p. 335. 
DESCRIPTION OF PLATE IV. 
We are indebted to Mr. Cahn of the Department of Zoology, 
Wisconsin University, for taking these two photographs. 
Fig. 1. Photograph of a diseased walleye. 
Fig. 2. Photomicrograph of sections stained with Heiden- 
haim’s iron haematoxylin, showing a number of cysts closely 
packed together. 
36—S. A. L. 
