GUELPH FAUNA IN THE STATE OF NEW YORK l6l 



FIG. 



9 Young individual with very strongly marked carinae and slit 

 band. Natural size. Rochester 



Eotomaria galtensis Billings (sp.) 



Page 70 



10-12 Three views of an internal cast with parts of the shell 

 preserved. Natural size. Upper Shelby bed (N. Y. State 

 Museum) 



Coelidium macrospira Hall (sp.) 



(See plate 7, fig. 2-8) 



Page 65 



13 Gutta-percha impression of an internal cast of a young indi- 

 vidual. Lower Shelby bed (N. Y. State Museum) 



Diaphorostoma niagarense Hall (sp.) 



Page 59 



14, 15 Two views of a very small specimen. X3. Fig. 15 is slightly 

 restored at the apex. Rochester (Arey collection) 



16 An individual from the Upper Shelby bed. From a gutta- 



percha impression. X2. (N. Y. State Museum) 



Eotomaria durhamensis Whiteaves (sp.) 



Page 68 



17 Apical part of an individual. Natural size. Rochester (Arey 



collection) 



Macrochilina sp. indet. 



Page 74 



18 Single individual observed. X5. Rochester (Arey collection) 



Dawsonoceras annulatum americanum Foord 



(See plate II, fig. i) 



Page 81 



19 Enlargement of surface of original of fig. 20. X5 



20 A young individual, with extremely close arrangement of the 



annulations. Natural size. Rochester (Arey collection) 



