158 Annals of the Carnegie Museum, 



Plate VIII. 



I, 2, 3. Prolobites simplex Raymond. Three views of a small specimen. X 2. 

 4. Tornoceras sp. ind. Compare the sutures with those of figure 7- X 2. 



"5, 6. Tornoceras crebriseptum Raymond. A young individual. X 2- 



7. The same species. The type. X 2. 



8. The same species. A fragment of a body whorl, showing a trace of surface 

 markings. X 2. 



9. 10. Tornoceras douglassi Raymond. A small specimen. X 2. 



II. The same species. A portion of a body whorl, showing the outline of the 



lip. X2. 



12. The same species. A specimen from the white shale. X 2. 



13, 14. The same species. Two views of the type. No attempt has been made 

 to show the rather obscure surface markings which are described in the text. X 2. 



I 



