66 



Fulvata, Fors*. 73 



Valva broadly rounded; costa not thickened. Uncus fairly 

 stout. .ZEdceagus curved, simple. Anellus lobes short, 

 stout, clothed with strong spines. Saccus trilobed. 

 Ostium weak. Signum scobinate. 



Plemyria bicolorata, Hufn. 74 



Valva rounded; costa not thickened. Uncus tapered, tip 

 hooked. .ZEdoeagus stout. Cornuti short, many in patch. 

 Anellus lobes peaked, spined along the edge. Saccus indent 

 at base. 



Ostium weak. Bursa subglobular, simple. 



Corylata, Thnb. 54 



Valva rounded; costa incurved, tip pointed. Uncus 

 slender, tip rugose. JMoeagus large, stout. Vesica 

 scobinate. Manica finely spined. Anellus lobes long, set 

 with long fine hair along the edge. Saccus broad, rounded. 

 Ostium very wide. Bursa elongate, with patch of 

 weak scobinations. Signum an angular plate. 



Pelurga comitata, Schiff. 55 



Valva rounded; costa produced, pointed. Uncus long, 

 hardly pointed, few hairs at base. .SDdoeagus stout. Cornuti 

 large patch of spines. Manica finely spined. Anellus lobes 

 rounded, set with hairs. Juxta wide. Saccus rounded. 



Ostium strong. Ductus bursae thickened. Bursa 

 subglobular. Signum long, irregularly scobinate band. 



Thermae. 



Valvula rounded; costa well developed; sacculus extended. 

 ^Edceagus ctenoid at the orifice. Anellus lobes strong, set 

 with spatulate scales. Firmata is closely allied, the ctenoid 

 spines on the ffidceagus are, apparently in this species, 

 removed to the vesica. 



Thcra juniperata, L. 53 



Valva rounded; costa thickened, emarginate, forming a 

 projection; sacculus extended, strong. Uncus slender. 



