-32- 



30. Clasper (lateral view); 

 large stout spine at mid 

 point of ventral margin 4/5 

 of the clasper height at 

 this point; small spine at 

 apex of clasper about 1/4 

 the height of clasper 



apex. fig. 136 oregona Ross 1938 



Spine on ventral margin 1/3 



or less clasper height at 



this point. -31 



31. Clasper: apex bird-head 

 shaped; apical spine equal 

 to 1/3 or more of clasper 



height. -32 



- Clasper: apex not bird- 

 head shape; apical spine 

 not more than 1/4 clasper 



height. -34 



32. Apical spine of clasper 

 equal to 4/5th height of 

 apical part of clasper. 

 Clasper apex rounded "duck 

 head" shaped; spine at mid 

 ventral margin l/6th the 



height of clasper at this fig. 137 dactylophora Flint 

 point. 1965 



- Apical spine of clasper no 

 more than l/3rd height of 

 claspers apical part; spine 

 at mid ventral margin 



l/3rd. height of clasper. -33 



33. Rod C long directed dorsad; 

 rod B slender straight; a 

 setose protuberance on 



mesal part of left clas- fig. 139 salaris Blickle & 

 per. Denning 1977 



- Rod C short; rod B short 



stout; no setose protu- fig. 138 lucia Denning & 

 berance on left clasper. Blickle 1972 



