ANATOMY OF A COLLECTION OF SLUGS FROM N.W. BORNEO. 311 



XIII. Description of Plates. 



Plate I. 



Fig. 1. Damayantia dilecta, Issel. Lateral view, x 2. 



Fig. 2. „ „ „ Dorsal view, x 2. 



Fig. 3. „ ,, ,, Dorsal view of shell, x 1|. 



Fig. 4. Damayantia carinata, n. sp. Lateral view, x 2. 



Fig. 5. ,, „ Dorsal view, x 2. 



Fig. 6. Wiegmannia gigas, n.sp. Lateral view, x 1. 



Fig. 7. „ „ Dorsal view of the head, showing lateral grooves and median row of 



rugae, x 2. 

 Fig. 8. ,, „ Foot-sole showing median and lateral planes, x 3. 



Fig. 9. Wiegmannia ponsonbyi, n.sp. Lateral view, x 1. 



Fig. 10. „ „ Dorsal view of the head, x 2. 



Fig. 11. Wiegmannia borneensis, n. sp. Lateral view, x 1. 



Fig. 12. „ „ Dorsal view of the head, x 2. 



Fig. 13. Isselentia plicata, n. sp. View from the right side, x 2. 



Fig. 14. „ „ View from the left side, x 2. 



Fig. 15. „ „ Dorsal view, x 2. 



Figs. 15a, b. ,, „ Dorsal and ventral view of shell, x 1. 



Fig. 16. Veronicella shelfordiana, n. sp., as seen from above, x 2. 



Fig. 17. ,, „ as seen from below, x 2. 



Fig. 18. Veronicella exima, n. sp., as seen from above, x 2. 



Kg. 19. „ „ as seen from below, x 2. 



Fig. 20. Onchidium ponsonbyi, n. sp., as seen from above, x 1. 



Fig. 21. ,, „ as seen from below, x 1. 



Plate II. 



;i 



ig. 22. Damayantia carinata, n. sp. Generative organs, 

 ig. 23. „ „ Dart, x 16. 



> Wiegmannia dubius, Wgm. Parts of the terminal ducts of the generative organs (after Wiegmann). 

 g. 25. J 



g. 26. ,, „ Dart (after Wiegmann). 



ig. 27. Wiegmannia gigas, n. sp. Generative organs. 



g- 28. „ „ Dart, x 16. 



g. 29. Wiegmannia ponsonbyi, n. sp. Generative organs. 



ig. 30. „ „ Dart, x 16. 



ig. 31. Wiegmannia borneensis, n. sp. Generative organs. 



ig. 32. „ „ Dart, x 18. 



g. 33. Collingea smithi, Cllge. and Godw.-Aust. Shell, x 2*5. 



g- 34. „ „ ,, Generativeiorgans. 



•B« 35. „ „ „ Dorsal view of penis, etc, 



g. 36. „ „ „ Ventral view of penis, etc. 



VOL. XL PART II. (NO. 15). 2 Z 



