448 



EXPLANATION OF PLATES OF VOL. V. 



(v.), external orifice (or.). These are, however, all indicated by their initial letters jn 

 Fig. A. The accessory organs when present are all indicated by their initial letters, 

 accessory duct (a. d.), prostate gland (pr. g.), dart sac (d. s.), prepuce (pp.), flagellum 

 (fl.), accessory gland (a. g ). 



Genitalia of 



Fig. A. 

 Fig. B. 

 Fig. C. 



Fig. D. 



7, dart sac. 



a. pr. g., accessory prostate gland. 



X (see description, p. 367). 



Plate XIV. 



Genitalia of (see description of Plate XI t) 



\rionta Townsendiana. Fig. E. Aglaja fidelis 



ruficincta. Fig. F. 



Euparypha Tryoni. Fig. G 



1,2,3 (see description, p. 377). Fig. H 

 Glypto8toma Newberryanum. 



infumata 

 Mesodon clausa. 

 Stenotrema spinosum. 



Plate XV. 



Genitalia of (see description of Plate XI.) 



Fig. A. Triodopsis Hopetonensis. Fig. C. Triodopsis "Van Nostrandi. 



Fig. B. fallax. Fig. D. tridentata. 



