22 



Peronea shepherdana, Stph. J. W M. i l 

 Saccuius emarginate before and after half, forming a point. 

 Anal plate heavily set with small spines. Cornuti four fine 

 spines 



Ostium with wide side pieces, lobes broad, rounded. 

 Signum truncate, stellate. 



Peronea aspersana, in. 3 2 



We can see little difference between this and shepherdana. 



Valva a little wider. 



Ostium side pieces wider above, lobes narrower than 

 shepherdana; ductus bursse more definitely geniculate at 

 the sides and longer. 



Peronea holmiana, L. 11 



Valva widest at base; sacculus gently curved to anal angle. 

 Socii drooping, set with long spines. Cornuti very 

 numerous, probably about thirty spines. 



Ostium lobes hardly extended. Signuin scobinate. 



Peronea lipsiana, Schiff. l 1 



R. Adkin andJ.W.M. 



There are 1 several points that suggest a break away from 

 this genus. 



Sacculus very broad, arched before half, edge rugose, 

 terminating in a strong spined tip. Socii long, slender 

 clavate. Cornuti many, very long, slender, about 14-15 

 spines. 



Ostium lobes widely apart incurved. Bursa without 

 eignum. 



Peronea rufana, Schiff 11 



G. F. Whittle, J. W. Carder and J. W. M. 

 Valva wide; sacculus broad, very gently arched before half, 

 edge rugose, terminating in strong spined tip. Socii long, 

 slender. Cornuti five fine spines. 



Ostium and operculum minutely spined; lobes tapered, 

 not widely apart. Signum scobinate. 



