platp: I. 



PjIOE. 

 HOLOCYSTITES GYRINU8, H. ep.... ■'' 



Pig. 1. Ventral view. 

 Fig. 2. Posterior view. 

 Pig. 8. Summit view. 



BKLKMNOCY8TITK8 WETUERBYI, U. sp 



Pig. 4. Dort^al view of the epecimen figured by Prof. Welherhy. 

 Pig. 5. Doreal view of the type specimen. 

 Fig. fi. Ventral view of the same. 



HOLOCT8TITB8 8PLBNDBNS. n. gp. . 



Fig. 7. Left anterior view. 

 Fig. 8. Right posterior view. 

 Fitj. fl. Summit view. 



