EXPLANATION OF PLATE XXXIV. 



Natica globulklla Whitf. (p. 226). 



Figs. 1, 2. Upper and lower views of a distorted specimen. 



3,4. Similar views of another and differently compressed example. Am. Mus. Nat. Hist., 

 New York City. 



Ficus PENITUS Conrad.? (p. 225). 



5. View of the best specimen observed. 



Xenophora lapiferens Whitf. (p. 227). 



6. Upper view of a cast, showing the scars left by the attached stones. 



7. Imprint in gutta-percha from a matrix, showing surface striae and adhering stones and 



remaining scars. 

 8,9. Lateral and lower view of another oast; this is from the collection Am. Mus. Nat. Hist., 

 New York City. 



Scalaria tenuilirata Whitf. (p. 229). 



10. View of the exterior as obt.iined by gutta percha from the matrix of a specimen in the 



Am. Mus. Nat. Hist., New York City. 



11. Internal cast of the same individual. 



12. Enlargement of the surface from the body volution. 



Mesalia elongata Whitf. (p. 230). 



13-15. Views of three individuals. Fig. 13 from gutta-percha. 



CoNus SUBSAURIDENS Conrad (p. 221> 



16, 17. Views of the opposite sides of the best specimen seen. 



Cassidaria carinata Lam.? (p. 224). 



18-21. Views of different specimens showing variation of surface. Specimens 19 and 20, Am. Mus. 

 Nat. Hist., New York City. 

 22. Views of a fragment showing extreme variation of surface characters. Possibly a distinct 

 species. 



Architectonica annosa Conrad (p. 228). 



23-27. Views of three separate casts, the smaller one. Pigs. 23, 26, 27, showing surface strite, and 

 plications around the edges of the umbilicus. Am. Mus, Nat. Hist., New York City. 

 Fig. 24 is from Mr. Conrad's type. 

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