THE CILIATES 



369 



Fig. 41. Ciliates of equids. A. Cycloposthium bipalmatum. B. Cycloposthiiim scuti- 

 genini. C. Cy'cloposthium edentatum. D. Spirodinium equi. E. Tetratoxum 

 unifasciculatum . F. Tripalmaria dogieli. G. Triadiniuin galea. H. Tri- 

 adiniu))i minimum. I. Triadinium caudatum. J. Tetratoxum excavatum. 

 K. Tetratoxum parvum . L. Ditoxum funinucleum. M. Cochliatoxum peri- 

 achtum. X 340. (From Hsiung, 1930, in Iowa State College Journal of Science, 

 published by Iowa State Univ. Press) 



