51 



VALVATWM. 



Valvata piscinalis. Ditto ditto. 



Valvata cristata. Ditto ditto. 



LIMN^ID/E. 



Planorbis spirorhis. Ditto ditto. 



Planorhis vortex. Ditto ditto. 



Planorbis carinatus. Ditto ditto. 



Planorlis complanatus. Ditto ditto. 



Planorhis corneus. Ditto ditto. 



Planorbis contortus. Ditto ditto. Scarce ; probably lower 



down the marshes they may be more numerous. 

 Planorhis niticlus. Apparently uncommon, in the marshes below Fordwich. 



Physa fontinalis. Common, Ditto ditto. 



Limnaa glutinosa. Local, Ditto ditto. One 



dike was crowded with the species in a summer some years 

 back ; two years later it was apparently not there. The usual 

 history of this curious species. 



Limnaa peregra. Common everywhere. 



Limnma auricularia. Noticed in the river above the paper mills, 



Chartham, where a few were secured. 

 Limncea stagnalis. Pordwich marshes. 



Limncea palustris. ISTot common in Fordwich marslies. 



Ancylus fluiAatilis. In the Stour at Chartham and Thanington, 

 adhering to stones at the bottom of the river. 



XIY. 



A SHORT ACCOUNT OF SOME BONES AND TEETH FOUND 



IN THE VALLEY DRIFT OF THE RIVER STOUR 



NEAR CANTERBURY. 



BY 



MR. J. REID, F.R.C.S. Eng. 



The drift deposit, here alluded to, lies on the southern slope of the 

 Stour valley, resting on the eroded surface of tlie chalk ; tha particular 

 portion referred to extends from the W. of Canterbury near the Water- 

 works, to the L. C. D. Railway Station on the East limit, and is situated 

 immediately behind the South side of Wincheap Street. The depth of 



