orifice, and disc at base. Cristee a rounded patch of spines. 

 Saccus rounded. 



Ostium strong, bilobed. Ductus bursse thickened. 

 Signum discoid stellate. 



Grossulariata, L. 1228 



Valvula short, slightly pointed, emarginate at the anal 

 angle; from the inner margin springs a bifid tooth, the 

 edges of which are often dentate, below this is the harpe, 

 a single spine; costa separate, long curved. Uncus short, 

 with large spreading pads. JEdceagus pistillate, strong 

 truncate rose thorn at orifice. Cristae a rounded patch of 

 spines. Saccus rounded, with prolongation at base. 



Ostium small. Ductus bursse thickened. Signum 

 discoid stellate, variable in the twenty-eight specimens 

 examined. 



Ptychopodinae. 



Valva partially fused, sometimes squared at the apex, 

 with two points. 



Female bursa also irregular, may be plain, spined, 

 or pannicular. Not a compact group. 



Antcois muricata, Hufn. 124 



Valva fused, long, simple, twisted. Transtilla strong, 

 peaked, long scobinations. Uncus bifurcate. Gnathos 

 strong, pointed, scobinate. ^Edceagus short, orifice 

 scobinate. Cornuti pointed, flattened, one large, two 

 strong. Saccus rounded. 



Ostium strong, lipped. Ductus bursae ribbed. Bursa 

 spined, ridged. 



Ptychopoda bisctata, Hufn. 84 



Valva fused, apex wider, with three or four spines on the 

 outer margin; apex set with clavate scales. Uncus tapered. 

 Gnathos pointed, squamous. ^Edceagus sigmoid, tip 

 scobinate. Cornutus large, irregularly curved. Juxta 

 bilobed. Saccus pointed. 



