EXPLANATION OF PLATE XXVI. 
Fusus Ppaucicostatus Whitf. (p. 196). 
1. View of a small specimen showing nearly the entire form. 
2,3. Views of the opposite side of a specimen showing some modification in form of the coste. 
4,5, Views of a large individual retaining the anterior beak entire, but imbedded in the matrix 
so the opposite side could not be obtained in Fig. 5. 
6. Enlargement of the surface from Fig. 4. 
FIGs. 
CLAVELLA RAPHANOIDES Conrad (p. 201). 
7,8. Views of opposite sides of the specimen, the anterior beak preserved only on the matrix. 
FASCIOLARIA HERCULES Whitf. (p. 202). 
9. View of a young specimen preserving the imprint of the beak in the matrix. 
10. Another fragment preserving the upper volutions. 
11. View of a large cast showing only slight nodes and the base of the beak, and a groove 
probably formed by the fold of the columella, 
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