NUDIBRANCHIATE GASTEROPODA. 45 



PI. II. 



Bathydoris Ingolfiana, Bgh. 



Fig. 1. a labial disk, b bulbus pharyngeus, cc the salivary glands on the sides of the first stomach, 

 to the left of this the second stomach, dddd the intestine, circumscribing the liver, and to the 

 right the renal branches with the base of the urinal chamber. 



— 2. The central nervous system, mostly drawn with cam. luc. aa Ganglia cerebralia, bb G. pleu- 



ralia, cc G. pedalia, d Commissura magna, ee G. buccalia, / Comm. buccalis. 



Doridoxa Ingolfiana, Bgh. 



Fig. 3. The animal from the ventral side. 4/ z . 



— 4. The central nervous system, from above, x 55 diam. aa cerebro-pleural ganglia, bb pedal 



ganglia, c buccal ganglia. 



— 5. The bulbus pharyngeus, from the lower side, a little obliquely. 



— 6. The same, lateral view, a oesophagus. 



— 7. The mandibles, from before; a processus masticatorii. lo / t . 



— 8. A piece of the innermost part of the masticatory edge, x 350 diam. 



— 9. The tongue with the radula, from before. 



— 10. The same, lateral view. 



11. The middle part of the radula, from below, a median teeth, bb innermost lateral tooth. 



— 12. A piece of the middle part of two series of teeth. 



Figs. 11 — 12 drawn with cam. luc. x 350 diam. 

 - 13. The alimentary canal, a oesophagus, b stomach, cc intestine, d biliary bladder. 



— 14. a the thinner, b the thicker part of the seminal duct, c penis, x 55 diam. 



— 15. Seminal vesicle, a its duct, x 55 diam. 



Cadlina repanda (A. et H.). 



Fig. 16. A piece of the labial plate. 



— 17. Middle part of the radula, a median teeth. 



— 18. The largest tooth-plates. 



19. Piece of the armature of glaus penis and seminal duct. 



Figs. 16 — 19 drawn with cam. luc. x 350 diam. 



Candiella Ingolfiana, Bgh. 



Fig. 20. The first lateral tooth. 



— 21. Second and third lateral teeth. 



— 22. One of the largest lateral teeth. 



Figs. 20 — 22 drawn with cam. luc. x 350 diam. 



