128 OLDHAM : LAND AND FRESHWATER MOLLUSCA OF CHESHIRE. 



bridges.' In 1863, Mr. Leo H. Grin don reported that it was 



extremely abundant in the 



lodges of 



some print-works at 



Handforth. In October 1887, I could only find dead shells 

 at Handforth, where thousands had existed formerly, and 

 caused great inconvenience by lining the inside of the water- 

 pipes. I have taken specimens in the Grand Trunk Canal at 

 Lostock Gralam, and the Peak Forest Canal at Marple. 



TABLE OF GENERA SHOWING RELATION OF CHESHIRE 



SPECIES TO THOSE OF THE BRITISH ISLANDS. 



GENUS. 



» • ff 



Gastropoda — 

 Arion 



Geomalacus 

 Amalia ,.. 

 Limax 



Agriolimax 



Testacelia 



Vitrina 



Hyalinia 



Helix 



Buliminus 

 Pupa 

 Vertigo ... 



Bale* 



Clausilia 

 Azeca 



Cochlicopa 



C&rilioides 



Succinea 



Carychium 

 Segmentina 

 Planorbis 

 Bullinus ... 

 Physa 



Arophipeplea 

 Limnoea 



Ancylus 

 Velletia ... 



Cyclostoma 



Acicula 



Neritina 



Viviparus 

 Bythinia ... 



Valvata 



• * • 



* • • 



• • * 



• * - 



• • * 



• • • 



* * 



• • • 



. . . 



• • « 



• • * 



• * - 



* * • 



• • * 



» • 



Pelecypoda — 

 Unto 

 Anodonta 



Sphxrium 



Pisidium 



DreisserLsia 



* * 



. .. - 



* • 



• • • 



• ► 



• • * 



• * 



• • 



- • - 



• 



♦ - 



* • • 



• • • 



* • » 



* • 



• • 



» • • 





p 9 • 



• • • 



• • • 



• • » 



• ■ 



• • 



• ■ 



* * 



• * 



• * * 



* • 



Total Number of Species 



- 



I' 





Cheshire 

 Species. 



5 

 o 



2 



4 



2 



1 



1 

 10 



16 



1 



3 



5 



1 



2 

 1 

 1 

 o 

 2 



J 



1 



10 



1 



X 



o 

 6 

 1 

 1 



o 



I 



o 



2 

 2 

 2 



2 

 2 



4 



7 

 1 



102 





British 

 Spfcies. 



5 



1 



2 



4 



2 



3 

 1 



11 



2 



4 



9 



1 



4 



2 

 2 



2 



3 



2 



4 



7 

 1 



111 









#r 



Naturalist, 



