(134) 



Plate IX. 



Melibe rosea. Kang. 



FIG. 



1. From the upper side of the cowl with the outer series of cirrhi. 



a, nodules. 



2. Epinotidium. 



3. Bulbus pharyngeus with — a, mouth-tvibe ; b, region of the mandibles ; 



c, oesophagus. 



4. From the inside of mouth-tube. 350 x . 



5. The mandibles, from the fore-side, the left overlapping the right. 35 x. 



6. a, CEsophagus ; b, stomach with the plates shining through ; c, left 



biliary duct ; d, pocket-like widenings near the pyloric part of c, 

 the intestine. 



7. a, (Esophagus; b, stomach; cc, biliary ducts. 



8. Surface of one of the nodules of an epinotidium. 



9. Ramificated renal tube. 



10. End of a renal tube. 



11. Cells of a renal tube. 



(Figs. 10-11 by Cam. 350 x .) 



12. Last half of the glans penis. 55 x . 



Maesenia capensis, B. 



13. Prom the anterior margin of the mandible. 55 x. 



14. Median plate. 



15 Median plate from a larger individual. 

 (Figs, 14-15 by Cam. 200 x .) 



16. The penis. 



Maesenia leptoconcha, B. 



17. Mandible. 9/1. 



18. Median plate. 200 x 

 ■|:9. End of the ra?p-sheath. 

 20. The penis. 



