-r-S d- 



Fig. 21. — Genitalia of diftereni species of S:icctnea.^4^ ^ ' 



I. S. elegantior, ventral view. 2. 5^. rutilans (a) dorsal view, (b) ventral 

 view of the terminal portion only. ,^. S. semisericn. («) dorsal view, (b) ventral 

 view. 4. .?. indica, ventral view. 



a.g. albumen gland; hd. hermaphrodite duct; h.g. hermaphrodite ^land ; 

 f>.r. prostate; p.s. penis sac; r.m.p. retractor muscle penis; r.s. receptaculum 

 seminis ; r.s.d. duct of the receptaculum scminis : ut. uterus ; v. vagina ; lud. vas 

 deferens ; v.s. vesicula seminis. 



