EXPLANATION OF PLATE LXXVI. 



OBELISCUS CONELLUS Whitfield, : . . .p. 672 



1. Lateral view of the type specimen, enlarged. 



Woodbury clay; Haddonfield, (183). 



SCALA SILLMANI (Morton), p. 672 



2. Lateral view of a specimen from Alabama preserving the 



shell. 



Pal. Coll. Walker Mus., No. 10,835. 



3. Lateral view of an internal cast illustraed by Whitfield. 



Navesink marl; Holmdel. 



SCALA THOMASI Gabb ?, p. 674 



4. Lateral view of the specimen illustrated by Whitfield. 



Horizon and locality not known. 



CAVOSCALA ANNULATA (Morton), p. 676 



5-7. Two lateral views and a basal view from two nearly perfect 

 specimens. 



Vinccnto-an limesand; Timber Creek. 



SCALA ? HERCULES Whitfield, p. 675 



8. Lateral view of the type specimen. (After Whitfield.) 

 Cliffwood clay f; Cliffwood Point. 



LUNATIA HALLI Gabb, p. 677 



9-10. Two views of an internal cast. 



Merchantville clay-marl; Lenola, (163). 

 11-14. Two views each of two specimens. 



Navesink marl; Mullica Hill, (169). 

 15-16. Two views of one specimen. 

 17-19. Views of three different specimens. 



Wenonah sand; near Crawfords Corner, (126* ). 



LUNATIA ? PAUPERATA (Whitfield), p. 680 



20-23. Two lateral views each of the two type specimens. 

 Navesink marl; Cross-clicks Creek. 



1036 



