258 Forty-sixth Report on the State Museum. 



Atrypa reticularis, Linne.* 



Leptcena rhomhoidalis, Wahlenberg. 



JLeptocoelia aGutiplicata^ Conrad. 



Orthis lenticulariSy Yanuxem. 



Chonetes sp. Small forms not having the specific characters well 

 defined. 



Chonetes acutiradiata. Hall (?). 



Smaller than the specimens figured in Pal. N. Y., vol. iv, pi. 20, fig. 

 5; but with the general proportion and markings of those specimens. 



Spirifer raricosta, Conrad. 



StropTieodonta nacrea, Hall. 



JLingula sp. 



Fragment of a Trilohite. 



Segments of Crinoid stems. 



Between Chapman's quarry and Babcock hill are several exposures 

 one of which had formerly been worked for a quarry. 



The last considerable outcrop noticed is No. 496 B, a few rods east of 

 Babcock Hill postoffice. There is exposed 4:^' of massive stone and 

 near the bottom are two hornstone laj^ers separated by 11" of limestone. 

 Above the massive stone are alternating strata of thin limestones and 

 shales, among which are two hornstone layers sei)arated by a 6" 

 limestone. This quarry has not been worked for some years and 

 the elevation agrees approximately with that of No. 496 A. The two 

 most abundant fossils are the same as for A 496 A: 



Atrypa reticularis^ Linne. 



LeptCBua rhoniboidalis, "Wahlenberg. 



In addition to the fauna of 496 A, the following species were found 

 in 496 B: 



Jthynchonella Sorsfordi, Hall (?). 



Stropheodonta sp. A convex form with produced hinge line. 



The exposures of Babcock Hill and vicinity have long been regarded 

 as typical Corniferous limestone of Oneida county. 



If the fauna of the Corniferous limestone at Le Roy, Batavia and 

 other places in western New York be compared with that of the UnadiUa 

 section, the abundance of corals in the former and the absence of them 

 in the latter will be noticed as the distinguishing feature. There are 

 no large exposures south of Babcock Hill for a distance of several 

 miles along the range of hills on the eastern side of the valley. 



* The species enumerated in the lists of fossils of this paper, are arranged approximately 

 according to their relative abundance at each station; the one named first being the most 

 Abundant. 



