AMERICAN JOURNAL OF CONCHOLOGY. Plate 9. 



10. 



9. 



d 

 12. 



V 



11. 



14. 



Fig. 9. Perislernia, Sp. Lingual Teeth. 



"10. Busrjcon pyrum. " " 



" 11. Ilyanassa obsoleta. " " 



" 12. " " Ova-capsules. 



" 13. Clionella buccinoides. Lingual Teeth. 



"14. Helonyx clavatus. 



