126 



BULLETIN 120, UNITED STATES NATIONAL MUSEUM. 



United States Xational Museum specimen Xo. 30436, furnished the • 



type infection. 



Measurements of a good-sized individual. — Length of body 0.098 



mm. ; width of body 0.053 mm. ; length 

 of nucleus 0.0152 mm.; width of nu- 

 cleus 0.0108 mm. 



These rather n a r r o w Zelleriellas 

 have more or less oval nuclei, except 

 in the case of the small daughter cells, 

 some of which show almost spherical 

 nuclei. The preservation of my mate- 

 rial is poor. 



ZELLERIELLA [of BUFO SPINULOSUS], new 

 species (?). 



A specimen of this form has been 

 deposited with the United States Na- 

 ^ tional Museum as Cat. No. 16490. 



Fig. 92.— ZELLERIELLA [OF BuFo Host. — Bufo spinulosus Wiegmann, 

 .sTERNosiGNATus], X 460 DiAM- ^^^ abuudant infection, in United 



States National Museum specimen* No. 

 38575 (furnishing the type infection), 57 mm. long, from Lake Titi- 



FIG. 'Xi. — ZKLt.EUIELLA LOF BUFO .SPINDULOSUS] , / 4W DUMETEUS : C IS AN OI'TICAL, VER- 

 TICAL SEICTIOX. 



