THE NAUTILUS. 87 



the snail here also occurs on floating vegetation the similarity 

 would be very striking. 



This colony near Tucker's, Long Beach Island, Ocean County 

 New Jersey extends the range of Paludestrina salsa southward, 

 to the best of my knowledge, from Branford, Connecticut, which 

 is near New Haven — an extension of considerably over a 

 hundred miles. 



My material, critically examined by Mr. E. G. Vanatta, is 

 deposited at the Academy of Natural Science of Philadelphia. 



PLEISTOCENE MOLLUSKs FROM ILLINOIS. 



BY FRANK C. BAKER. 



Early in the year the Page Engineering Company of Chicago 

 submitted to the writer some specimens of mollusks and moss 

 obtained from a cutting near the Fox River, one mile east of 

 Cary Station. The sequence of deposits is as follows : 



1. Black earth 



2. Brown earth 



3. Marl. . . 



4. Moss . . 



5. Marl. . . 



Height of section 



13 



Eight species of moUusks were picked from the marl. No. 3. 



Valvata tricarinata Say. 



Valvata lemsi.i Currier. 



Amnicola. lustrica Pilsbry. 



Amnicola limosa Say. 



Planorbis parvus Say. 



Planorhis exacutus Say. 



Galba galbana Say. 



Physa species (fragments). 



The moss was submitted to Doctor Edward W. Berry, Johns 

 Hopkins University, who determined it to be ^^ Plagiothecmm 

 denticulatum (Linn^) B. and S., probably near the subspecies 

 rosaceum (Hampe) B. and S." Occurring as this thick moss 



