THE OPALIXID CILIATE IXFUSOKIAKS, 



99 



are plainly seen. 1 had studied and named this species " ZelJeriella 

 argentinae " before I saw Pinto's paper, but as his animals and mine 

 seem of the same sort, his name is, of course, accepted. 



Fig. 66. — Zelleriella brasiliensis : a and c, individuals of the usual sort; h, a cell 



WITH NDCLEI IN AN ANAPHASE OF MITOSIS PREPARATORY TO FISSION ; d, A CELL WITH 

 DDMB-BELL NCCLEI ; t, A DUMB-BELL NUCLEUS FROM ANOTHER INDIVIDUAL ; O, 6, AND C, 

 MAGNIFIED 460 DIAMETERS ; 6, MAGNIFIED 1,000 DIAMETERS. 



ZELLERIELLA MAGNA, new species. 



Type. — United States National Museum Cat. No. 16471. 

 Host. — Leptodactylus typhonius (Daudfn),one abundant infection, 

 in United States National Museum specimen No. 36370, 44 mm. longj 



k 



