PLATE IV 



Page. 



Remeloceras clarkesse. n. sp 49 



Fig. 1. Lateral viiw. 

 Fig;. 2. Dorsal view. 

 PiK. 3. Ventral view. 



SOLENOCIIIUS HEKBVVILI.ENSE. n. ,sp 51 



PiB. 4. Lateral view. 

 Fig, 5. Dorsal view. 

 Pig. 6. Ventral view. 



PLATVt'EKAS INDIANENSE. U. sp 48 



Pig. 7. Lateral view of a small specimen. 



Fig. S. Dorsal view of same. 



Fig. 9. Aperture of same. 



Pig. 10. Lateral view of a larger specimen. 



