The Scottish Naturalist. 8i 



DENTATUS Hbst. Lowland, highland. Common. 

 Distribution — East, g Forth Tay Dee g o o o 



West. Sohvay go o o 



BICOLOR Sturm. Lowland. Rare. 



Distribution — East. oooooooo 



West. Sohvay o o o o 



VINI Panz. Lowland, highland. Common. 

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



AVest. Sohvay Clyde o o o 



HBNOTICUS Thoms. 

 SERRATUS Gyll. Highland. Very rare. 

 Distribution — East, o o Tay o o o o o 



West, o o o o o 



PARAMBCOSOMA Th. 



MELANOCEPHALA Hbst. Ill flood refuse on the banks of 



rivers. Abundant. 

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



West. Solway Clyde o o o 



• ATOMARIA Er. 

 DILUTA Er. Very rare. 



Distribution — East. Tweed Forth o o o o o o 



West. o o o o o 



WOLLASTONI Sharp. Very rare. 



Distribution — East. o Forth o o o o o o 



AVest. o o o o o 







o o 



§000 



o 



ELONGATULA Er. Very rare. 



Distribution — East. o Forth o o o o o o 



West. o Clyde o o o 



UMBRINA Gyll. Not common. 



Distribution — East. Tweed FoVth Tay o o o o o 



West. Solway Clyde o o o 



