464 



B. Smith — New Locality for Castor oides. 



The blue clay (number 1 of the section) is without doubt a 

 part of the same stratigraphic unit (Cowaselon Clay) which 

 furnished the Castoroides tooth, and from the standpoint of 

 Quaternary paleontology it is the important member of the 

 section. Though no detailed survey of Cowaselon Creek has, 

 as yet, been attempted, a certain number of sections have been 

 examined. It is therefore believed that sufficient is known to 

 warrant the presentation of a few preliminary conclusions con- 



Fig. 1. 











a. ^^ 









-8- ^^ 









Fig. 1. Castoroides ohioensis Foster. Town of Lenox, Madison County, 

 New York. Left lower incisor tooth. A, outer view; B, inner view, x +. 

 Straight line between the extremities of the specimen = 210 mm . 



cerning the distribution and stratigraphic relations of the 

 Cowaselon Clay. 



On descending the creek this formation is first noticed near 

 the road which is the northward extension of Main Street, 

 Canastota. It appears to be perfectly continuous, and also to 

 be the lowest exposed formation for a distance of three miles 

 or more along the creek in a northwesterly direction. Through- 



