JOURNAL OF CONCHOLOGY, VOL. l6, NO. 6, JUNE, I92I. 



Name of Species. 



Recoid.s in ilalics require 

 confirmation. 



SCOTLAND 



W. Lowlands. 



Q >i ^ < ei J 



C-l CC •* »0 CO !>• 



t-- t- IT- t^ !>■ t— 



£. Lowlands. 



ci; w K W 3 



00 C5 O f— I (M 

 1-- IT- 00 00 00 



East High 





2 w 



;ii (/J 0^ Di Ph 



^.^^ < 



B. leachii 



Viviparidse 

 Paludina contecta 

 P. vivipara 



Valvatidse 

 Valvata piscinalis 

 V. macrostoma 

 V. cristata 



Assemaniidse 

 Assemania grayana 



Pomatiidse 

 Cyclostoma elegans 



Aeieulidse 

 Acme lineata 



Neritidse 

 Neritina fluviatilis 

 Dreissenidse 

 Dreissena polymoipha 



Unionidse 

 Unio pictorum 

 U. tumidus 

 Maig. maigaritifera ... 

 Anodonta cygnea 

 A. anatina 

 Pseudanodonta sp. ... 



Cyrenidae 

 Sphserium rivicola ... 

 S. corneum 

 S. lacustre 

 S. pallidum 

 Pisidium amnicum ... 

 P. casertanum 

 P. henslowanum 

 P. hibernicum' 

 P. lilljeborgi 

 P. milium 

 P. nitidum 



P. obtusale ... 



parvulum 

 personatum 

 pulchellum 

 subtruncatum 



supinum 



P. tenuilinealum 



Tofa^ species 163 















72 73 74 . 



. 76 77 





'.'.'. 73 '.'.'. 



' 76 77 





... 73 ... . 



. 76 ... 



76 77 



... 74 75 76 77 

 73 76 ... 



12 73 74 



76 77 

 76 77 



72 



76 ... 



...11 

 76 77 



S3 ... 



78 ... 80 81 82 83 ... 

 '.'.'. ... 80 '!! 82 83 ... 



83 ... 



'.'.'. ... 80 ... 82 83 '.'.'. 

 81 82 83 ... 



...19 80 81 82 83 84 



78 82 83 84 



'.'.'. '.'.'. '.'.'. '.'.'. 82 '.'.'. '.'.'. 



78 82 ... 84 



83 ... 



78 '.'.'. '.'.'. '.'.'. '.'.'. '.'.'. '.'.'. 



82 ... 84 



82 



78 ... ... ... ... 83 84 



'.'.'. ... '.'.'. !!! Sa 83 84 



eo CO 00 00 rH 00 -* 

 ■<* rt< to U5 t> C~ ITS 



80 86 87 88 89 90 ... 92 

 85 ''' ... ... ... 90 



... 86 ... 88 



'.'.'. 86 87 88 89 90 91 9'i 

 85 86 ... 88 89 90 



85 86 87 88 89 90 ... 92 

 85 86 ... 88 



'.'.'. 86 87 88 ..'. ... '. 



87 88 92 



'.'.'. '.'.'. ... 88 ... ... '..'. '.'.. 



92 



92 



85 



'.'.'. '.'.'. 87 ... ... ... ... 92 



'.'.'. '.'.'. '.'.'. '.'.'. '.'.'. '.'.'. '.'.'. 92 



lOLOCDiC'^eooos 

 to«ocoeD«oiO'«#'^ 



