97 



Lipoptycha plumbana, Sc. 65 



Valva comparatively narrow; emargination before saccnlus 

 very narrow. Anellus lobes weakly scobinate. 



Ostium funnel shaped, uneven at the sides, with a 

 central flap which appears to divide the tube into two 

 halves. Signum curved, scobinate. 



Lipoptycha torrana, n.s. Pierce & Metcalfe. 



J. W. M. from Torquay. 



Yalva wider than plumbana; emargination before saccnlus 

 wider than plumbana. Uncus set with two small spines. 

 Anellus lobes very weakly scobinate. 



Ostium set in thick chitinous ring, arched behind 

 bearing at each side three spines. Ductus bursae long, 

 cylindrical. Signum curved, scobinate. 



Lipoptycha aeratana, Pierce & Metcalfe 4 1 

 J. PI. Threlfall, Col., F. G. Whittle. 



Valva as wide as preceding species, but much more 

 constricted; emargination before sacculns wide and round: 

 cucullus folded, forming a flap. Anellus lobes large and 

 very strongly scobinate. 



Ostium set in a thick chitinised ring, not arched behind; 

 ductus bursae much wider than preceding species. Signum 

 curved, scobinate. 



Lipoptycha saturnalia, Gn. J. W. M. 3 2 



Valva large, wide; emargination before sacculus wide and 

 rounded; cucuilus more ovate, not folded. Anellus lobes 

 large but weakly scobinate. 



Ostium set in thick chitinous ring slightly raised behind 

 bearing at each side a single spine; ductus bursao wide. 

 Signum long, curved, scobinate. 



