The Scottish Naturalist. 141 



o o 



PTGM^ius Fab. Local. Maritime. 

 Distribution — East. Tweed Forth g o 



West. Solway goo 



BICOLON" Germ. Local. Lowland. 

 Distribution — East. o Forth o o 



West. Solway o ' o o o 



BUFTMABGINATUS Steph. Local. Lowland. 

 Distribution — East. o Forth o o a o o 



West. Solway 0000 



HYDK^NA Kug. 



TESTACEA Curt. Rare. Lowland. 

 Distribution — East. 000 0000 



West. Solway 0000 



In pools by the side of the Cairn at Irongray. — D.S. 



BIPABIA Kug. Common. Lowland. 

 Distribution — -East. Tweed Forth Tay g Moray o o 



West. Solway g o o o 



AJSTG-USTATA Sturm. Rare. Lowland. 

 Distribution — East. Tweed g o o o o o 



West. Solway 0000 



NIG-bita Germ. Local. Lowland 



Distribution — East. Tweed Forth 00000 



West. 000 00 



gracilis Germ. Common. Lowland, highland. 

 Distribution — East. Tweed Forth Tay g g o o 



West. Solway g o o o 



pulchella Germ. Rare. Lowland. 

 Distribution — East. o Forth Tay 0000 



West. Solway g o o o 



ATBICAPILLA Wat. Rare. Lowland. 

 Distribution — East. Tweed Forth 00000 



West. Solway g 000 



PYGM^A -Wat. Rare. Lowland. 

 Distribution — East. 0000000 



West. Solway 0000 



