EXPLANATION OF PLATE XXIV. 
NoTE.—On the plates of the Eocene the figured specimens, when not otherwise stated, may be 
found in the State collection at Rutgers College, or at Trenton, New Jersey. 
MuREX (PTERONOTUS?) LEVAVARICOSUS Whitf. (p. 190). 
Figs. 1,2. Views of opposite sides of the cast. 
MUREX? sp. undetermined (p. 191). 
3. View of a gutta-percha imprint taken from the natural mold. 
TRITON EOCENSE Whitf. (p. 192). 
4,5. Views of opposite sides of the cast described. . 
Fusus (UROSALPINX?) MULTICOSTATUS Whitf. (p. 200). 
6,7. Two views of the cast, the latter with the beak in outline. 
RHINOCANTHA (?) CONRADI Whitf. (p. 191). 
8. View of aspecimen from the Am. Mus, Nat. Hist. collection showing the lip extended above. 
9-11. Three views of another specimen showing the base of the beak. 
FUSUS PLEURICOSTATA Whitf. (p. 195). 
12. View of a cast showing the beak. 
13,14. Two views of a larger cast without beak. 
FUSUS ANGULARIS Whitf. (p. 194). 
15,16. Views of the opposite sides of a specimen in the collection of the Am. Mus. Nat. Hist., 
New York City. 
17,18. View of a broader specimen of the Rutgers College collection. 
19. The exterier as obtained from an imprint. 
PSEUDOLIVA VETUSTA Conrad (p. 193). 
20. View of the front of the only specimen seen. 
