EXPLANATION OP PLATE XXXVL 



Lbptomaria gigantea. Whitf. (p. 23'i). 

 1,2. Lateral and basal views of tbe type specimen. 



Lbptomaria pbkgbanulosa Whitf. (p. 234). 



3, 4. Vertical and lateral views obtained by gutta-percha in the matrix. 



5. Enlargement of the surface of a part of Fig. 3. 



6. Basal view of a part of the cast of the same individual. Am. Mus. Nat. Hist., New York 



City. 



Action prisca Conrad (p. 237). 



7,8. Two views of Conrad's type specimen. 



ToRNATELLiBA LATA Conrad (p. 238). 



9, 10. Views of two individual casts of this species. 



ToRNATiNA Wetherelli Lea (p. 239). 



11. This is a copy of Mr. Lea's figure cited uQder the description. 

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