90 The Scottish Naturalist. 



STRIATTJS Sharp. Very local. Maritime ? 

 Distribution — East, o ooooooo 



West. Solway o o o o 



Abundant in a pond occasionally filled by the tides on the banks of the"Nith, 

 about three miles below Dumfries. — D.S. 



LINEATOCOLLIS Marsh. Abundant in clear waters. Low- 

 land. 

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



West. Solway § o o o 



BRYCHIUS Thomson. 



ELEVATUS Panz. Common in rapid streams. Lowland. 

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



West. Solway Clyde o o o o 



HYPHYDEUS Schaum. 



OVATUS Lin. Very local. In still waters. Local. 



Distribution — East, oooooooo 



West. Solway o o o o 



" Barean Loch, Col vend." — Buchanan White. 



HYDROPORTJS Schaum. 



QUINQUELINEATUS Zett. Very rare. Lowland. 

 Distribution — East. Tweed ooooooo 



West. Solway o o o o 



INEQTJALIS Fab. Common. Lowland. 

 Distribution — East. Tweed Forth Tay g Moray 



West. Solway Clyde o o o 



CONFLTJENS Fab. Rare. Lowland. 

 Distribution — East. g Forth o o o o o 



West. Solway Clyde o o o 



novemlineattjs Steph. Local. In lakes. Lowland. 

 Distribution — East. o Forth o Dee Moray o o 



West. Solway Clyde o o o 



picipes Fab. Rare. Lowland. 



Distribution — East. ooooooo 



West. Solway o o o o 



PICTTJS Fab. Local. Lowland. 



Distribution — East. Tweed Forth o o Moray o o 



West, g Clyde o o o 



o o o 



