EXPLANATION OF PLATE XCIX. 



ACTAEON CRETACEA Gabb, p. 805 



1-2. Two lateral views of a very large internal cast. 



Navesink marl; Atlantic Highlands, (108). 

 3-6. Two lateral views each of two internal casts. 



Wenonah sand; near Crawfords Corner, (i?6 3 ). 



ACTAEON GABBAN A Whitfield, p. 807 



7-8. Two lateral views of a large internal cast. 



Woodbury clay; near Matawan, (103). 



AVEU-ANA BULLATA (Morton), p. 808 



9-10. Two lateral views of one of the specimens used by iiorton 

 in his description of the species. 



Navesink marl. 

 ii. Lateral view of a distorted internal cast. 



Merchantville clay-marl; Lenola, (163). 



CINUUA NATICOIDES (Gabb), p. 811 



12-13. Two lateral views of an internal cast. 



Navesink marl; near Freehold, (133). 



HAMINEA MORTONI (Forbes), p. 812 



14-15. Two lateral views of an internal cast. 



Navesink marl; Atlantic Highlands, (108). 

 16. Lateral view of a shorter internal cast. 



Navesink marl; near Crawfords Corner, (/<?<5 7 )- 



CYUCHNA RECTA Gabb, p. 14 



17. Lateral view of an internal cast, (x2).. 



Navesink marl; near Freehold, (133}. 



18. Lateral view of an internal cast, (x2). 



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



BULLA MACROSTOMA Gabb, p. 8l2 



19-20. Lateral and vertical views of a crushed internal cast. 

 Red Bank sand; near Middletown, (112). 



AVEUANA COSTATA (Johnson), p. 810 



21. Lateral view of the type specimen (x8^). (After Johnson.) 

 Woodbury clay ? ; Artesian well at Mount Laurel. 



1082 



