I(i8 AMERICAN JOURNAL 



7. Epithyris elongatus, Schl., after Davidson ; from a 

 broken specimen. 



8. Cardinal process of Wald. venosa. 



9. " " " Laqueus ealifornicus. 



10. Posterior view of cardinal process of L. ealifornicus. 



11. Ditto of W. venosa. 



12. Side view of , apophyses of Meganteris arehiaci, after 

 Suess. 



12a. View of the cardinal border of the same. 



13. Apophyses of Isinenia sanguinea, enlarged. 

 11. Apophyses of Kingena lima, after Davidson. 



