Report of the State Geologist. 285 



13. Paracyclas lirata, Conrad (c). 



14. Glyptodesma erectum (it). 



15. Tellhiopsis subemarginata, Con. (it). 



16. NucuUtes oblong atus, Con. (rr). 



17. Modiomorjjha concentrica, Coxj. (it). 



18. Grammy sia magna, Hall (rr). 



19. Granimysia bisulcata, Con: (rr). 



20. Cimitaria recurva. Con. (?) (rr). 



21. NucuUtes triqueter. Con. 



22. Microdon {Gypricai'della) gregarius, Hall. 



23. Leptodesrtia Rogersi, Hall. 



24 . Liopteria De Kayi, Hall. 



25 . Orthonota undidata, Conrad. 



2§. Microdon (Cypjricardelld) complanatus. Hall. 



27. Coleolus tenuicinctuSy Hall (?) (a). 



28. Tentacidites atte7iuatus,ll2X\Y2kT. (rr). 



The specimens have the irregular transverse striae of the above 

 species, but the size of T. belhdus, Hall. 



29. Pleurotomaria siibemarginatUy Con. (aa). ' 



30. Homalonotus De Kayi, Green (rr). 



31. Lepidodendron Gaspianuni, Id'^n (rr). 



The rocks from which the above fauna came belong in Conrad's 

 Oneonta group (not Vanuxem's Oneonta sandstone, vrhich is 

 above, forming the upper part of the hill), and were correlated 

 quite accurately by Vanuxem, who stated that he supposed them 

 to belong to the Ithaca group.* 



In the western part of the village is a small creek and along its 

 banks are exposures of this same zone. The lowest shales in the 

 creek (507 F^) contain the following species: 



1 . Spirifer 7nesastriaUs, Hall (c). 



2. Chonetes deflecta, HbW (?) (rr). 



3. Rhynchonella Stephani, Hall (r). 



4. Nucula belUstr lata. Con. YSiX. (c). 



5. Grammysia bisulcata, Con. (rr). 



Farther up the creek along the old raceway the following species 

 were obtained: 



1 . Spirifer mesastrialis, Hall (r). 



2. Chonetes deflecta. Hall (a). 



*Qeol. N. Y., pt. iii, p. 192. The clause reads: "The base of which [hill] is composed of 

 rocks which I have supposed to belong to the Ithaca group." 



