The Scottish Naturalist. 91 



SEPTENTRIOKTALIS Fab. Common in streams. Lowland, 



highland. 

 Distribution — East. Tweed Forth Tay Dee Moray 000 



West. Solway g o o o 



DAVISI Curt. Common in streams. Lowland, highland. 

 Distribution — East, g Forth g Dee Moray 000 



West, g g o o o 



LA.TTJS Steph. Rare. In rapid waters. Lowland. 

 Distribution — East. Tweed Forth g g Moray 000 



West. Solway 0000 



DTJODEOIMPUSTULATUS 01. Common. Lowland. 

 Distribution — East. Tweed Forth g g Moray 000 



West. Solway Clyde 000 



DEPFvESSUS Fab. Common. Lowland. 

 Distribution — East, g Forth g Dee Moray 000 



West. Solway 0000 



ASSlMiLis Payk. Local. Lowland. 



Distribution — East. Tweed Forth g Dee Moray 000 



West, g g o o o 



GRISEOSTPvIATUS De Geer. Local. In highland lakes. 

 Distribution — East, o Forth o Dee Moray 000 



West, o o Argyle o o 



[dobsalis Fab. Doubtful as Scottish. 



f Raehills, Rev. W. Little-" Murray's Cat. 



MEMNONIUS Nic. Rather common. Lowland. 

 Distribution — East. Tweed Forth g Dee Moray 000 



West. Solway g o o o 



OBSOLETUS Aube'. Rare. Lowland. 

 Distribution — East, o oooo'ooo 



West. Solway 0000 



