(140) 



Plate XII. 

 Aphelodokis uuunnka, B. 



FICJ. 



1. Anterior genital mass, a, hermaphrodite duct; b, muco-albuminous 



mass ; cc, prostata, vas deferens ; d, vcstibulum gcnitalc ; c, spcr- 

 matotheca and spermatocysta. 



GeITODOKIS CAI'ENSIS, B. 



2. Piece of the lip-plate. 



3. From the inner part of the rasp, a, innermost plate. 200 x . 



4. Plate herefrom. 



5. Outer end of scries of plates, a, outermost plate. 



(Figs. 4-5 drawn by Cam. 350 x .) 



Trioi'a lucida, Stimpson. 



6. Club-shaped appendix of the back. 



7. a, First ; b, second lateral plate ; c, outer plate. 



Nembhotha capensis, B. 



8. Buli)us pharyngous, from the upper side. 4/1. 



9. Median plates. 



10, 11, and 12. Lateral plates in different positions. 



13. The outer plates, a, outermost. 



14. Innermost (first) of the outer plates. 



(Figs. 9-14 drawn by Cam. 100 x .) 



15. Hooks of the penis. 



16. a, Spcrmatotheca ; b, spermatocysta. 



17. Vestibular gland. 



EuPLOCAJiLs CROCEUs, Phil., var. capensis. 



18. Head with tentacles and fore end of the foot. 



19. Arbuscule of the back. 



20. Genital papilla with vulva and end of the penis with prominent 



armature. 



21. Mandibular plate. 12/1. 



22. Inner part of the rasp with the three lateral plates ; and a, the inner- 



most plates of the outer series. 



23. End of the glans. 



(Figs. 22-23 drawn by Cam. 200 x .) 



24. Hooks of the glans. 350 x . 



