46 The Scottish Naturalist. 



HYDR0PSYCHIDJ3. 



HYDROPSYCHE. 



PELLUCIDULA Curt. Common. Streams. 



Distribution — East. 0000 Moray Sutherland o o 



West. Solway Clyde Argyle o o 

 FULVIP.ES Curt. Scarce. Large rivers. 

 Distribution — East, o o Tay 00000 



West. 00000 

 instabilis Curt. Common. Streams. 

 Distribution — East, o Forth Tay Dee Moray 000 



West. Solway Clyde Argyle o o 

 A NGUSTIPENMIS Curt. Not common. Streams. 

 Distribution — East, o Forth 000000 



West, o Clyde 000 

 guttata Pict. Common. Large Rivers. 

 Distribution — East, o Forth o o Moray 000 



West, o Clyde 000 

 LEPIDA Pict. Not very common. Large rivers. 

 Distribution — East, o o Tay 00000 



West, o Clyde 000 

 DIPLECTRONA. 

 FELIX M'Lach. Not uncommon about small streams running 



through well-wooded glens. 

 Distribution — East, o o Tay 00000 



West, o Clyde Argyle o o 

 PHILOPOTAMUS. 

 montanus Donov. Common. Rapid streams. 

 Distribution— East, o o Tay Dee Moray Sutherland o o 



West. Solway Clyde Argyle o o 

 WORMALDIA. 

 occipitalis Pict. Not uncommon. Springs and waterfalls. 

 Distribution —East, o Forth Tay 00000 



West, o Clyde Argyle o o 

 median A M'Lach. Rare. Rapid streams. 

 Distribution — East, o o Tay o Moray 000 



West. 00000 

 ubnigra M'Lach. Common. Rapid Steams. 

 Distribution — East, o o Tay o Moray 000 



West, o Clyde 000 

 PLECTROCNEMIA. 

 conspersa Curt. Very common. Streams. 



