Cosmorhoe virgularia, Hb. 63 



Valva fused, rounded at apex. Uncus tapered, narrow. 

 Gnathos broad, squamous. ,/Edceagus long. Cornutus very 

 long, slender. Saccus long, pointed. 



Ostium simple, wide. Bursa curled, spined. 



Hcrbariata, F. 21 



Valva sides almost parallel, squared at apex, points at anal 

 and costal angles. Uncus tapered. Gnathos broad, 

 scobinate, spined. ^Edoeagus cylindrical, stout. Cornuti 

 two, one long, straight, slender; the other shorter, curved 

 at base. Saccus rounded. 



Ostium large. Bursa spined. 



Interjectaria, Bdv. dilutaria, Hb. 103 



Valva almost square at apex, points at anal and costal 

 angles. Uncus tapered. Gnathos broad, scobinate, hairy. 

 ^Edoeagus stout. Cornuti two; one short, curved, bulbed; 

 the other longer, straighter; these are united at the base, 

 with long corrugations. Saccus pointed. 



Ostium small. Ductus bursso long, lined with short 

 teeth. Bursa broader and spined. 



Humiliata, Hufn. 2 1 



Valva fused, rounded, pointed at the anal and costal angles. 



Uncus tapered, rounded. Gnathos squamous, hairy. 



^Edceagus long. Cornuti four graduated, bulbed, joined 

 by corrugated base. Saccus bluntly pointed. 



Ostium produced. Ductus bursae spined in longti- 

 tudinal lines. 



Dilutaria, Hb. holoscricata, Dup. 64 



Valva fused, narrow; apex dentate, a strong spine at the 

 anal angle. Uncus tapered. Gnathos broad, hairy. 

 /Edceagus stout, long. Cornuti two, one broad pointed, 

 with long corrugated base, the other long, spatulate. The 

 latter we have found shed, or perhaps broken off during 

 copulation. Saccus pointed. 



