PLATE II 



1, 2 and 3. Cypricardites {Vanuxemia) fragosus n.sp. (1) The right valve 

 of a large specimen. (2) Anterior mnscle scar and cardinal teeth of a 

 left valve. (3) The concave cast of the anterior portion of a specimen 

 showing the deep muscle scars, the articulation of thecardinal teeth and 

 a section cutting off the anterior ear and the umbones. 



4 and 5. Cypricardites dignus n. sp, (4) Right valve of the largest speci- 

 men, and (5) left valve of another shov^ing a little variation in form. 



6. Cypricardites (?) tinitimus n, sp. 



7. Cypricardites descriptus n. sp. 



8. Modiolopsis contigua n. sp. The upper anterior margin is imperfect. 



9. Modiolopsis affinis n. sp. 



10. 11 and 12. Modiolopsis gregalis n. sp. (10) Left valve of an average 

 sized specimen and (11) (12) cross sections of another specimen at one- 

 fourth and two-thirds the distance from the anterior end respectively. 



13, 14, 15 and 16. Modiolopsis litoralis n. sp. (13) Cast of an average 

 specimen; (14) (15) (16) sections at three-fourths, one-half and one- 

 third the distance from the anterior end. 



17. Modiolopsis stinecta n. sp. Figure of the only specimen seen. 



