GO 



Quarterly Jov,rnal of Gonchology. 



Dreissena polymorpha 



Neritina fluviatilis 



Canals, Smethwick and Bourne Brook ; 

 Pool, Bescot ; E. Tame, Aston, &c. 



River Tame, Aston 



Paludina vivipara 



var, 1. unicolor 



Bytliina tentaculata 



var. 1. ventricosa.. 

 ,, 2. decollata .. 



,, 3. excavata .. 

 ,, 5. albida 

 ,, Leachii 



Valvata piscinalis 



var. 1. depressa .. 



Canals, Bourne Brook ; Acock's Green ; 



Smetlivfick, Kingswood 

 Kings wood 



Common everywhere 

 Alum Rock, Saltley 

 Sutton Park ; Witton ; Smallheath ; 



Maxtoke 

 Alum Rock, Saltley 

 Alum Rock, Saltley 

 Plant's Brook, Minworth 



Stechford ; Bourne Brook ; Knowle ; 



Aston J Sutton, &c. 

 Plant's Brook 



Planorbis nitidus 

 nautileus 



Smallheath; Hall Green, Alum Rock, 



&c. 

 Hall Green ; Elmdon ; near Acock'a 



Green 

 ,, ,, &c. 

 albus ... ... ... Common 



var. 1, Draparnaldi Smallheath; Stechford 



var. 1. cristata 



glaber 

 spirorbis 



vortex 



var. 1. compressa.. 

 carinatus 



var. 1. disciformis 

 complanatus ... 

 corneus 



contortus .... 



Physa hypnorum 



fontinalis 



var. 1. inflata 

 3. oblonga 



Sutton ; Hagley Road ; Witton 



near Stechford ; near Elmdou ; King's 



Heath, &c., &c. 

 Common every^vhere 

 Smallheath 



Common and distributed 

 Titterford ; Sutton-Coldfield 

 Moderately common everywhere 

 Castle Bromwich ; Forge Mills ; Bescot ; 



Stony Lane ; Albion 

 Stechford ; Coleshill ; Treeford ; Ham- 

 stead 



Sparkhill ; Alum Rock ; Stoney Lane ; 



King's Heath, &c. 

 Bourne Brook ; Stechford ; Aston, &c. 

 Acock's Green ; Sutton ; Forge Mills 

 Handsworth 



Liransea peregra ... ... Sparkhill 



var. 4. ovata . . . Sutton Park ; Solihull, &c. , &c. 



,, 5. acuminata. Perry Barr 

 „ 6, intermedia... Common 

 ,, 7. oblonga ... Marsh, Hamstead 

 , , 8. labiosa . . . Sutton Park 



,, 12. decollata ... Sparkhill; near Broomsgrove, Lickey 

 ,, 14, scalariformis Sutton-Coldfield 

 ,, auricularia ... ... Dog Pool, Pershore Road ; Plant's 



Brook ; R. Tame ; Perry Barr ; 

 Sutton ; Pebble Mill Pool, '&c. 



