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Plate XIII. 

 Kalinga ornata, A. et H. 



PIG. 



1. Papilla of the back. 



2. Tongue with rasp. 



3. Plates from above. 



4. A plate from the side. 



5. Hooks of the glans penis. 



(Figs. 3-5 drawn by Cam. 350 x .) 



Idaliella amcenula, B. 



6. The animal, from above. 



7. The crop of the bulbus pharyngeus, from above, aa, glandulse salivales. 



8. Elements of the mandibular plates. 



9. From the rhachis of the rasp (lateral plates). 



10. a, Lateral plates ; b, outer plates. 



(Figs. 9-10 drawn by Cam. 350 x .) 



11. Glans penis with projecting armature. 200 x. 



Tritonia pallida, Stimpson. 



12. Left mandible, from the back side, a, masticatory process. 3/1. 



13. Piece of the masticatory edge. 



14. One of the largest plates. 



15. One of the outer plates. 



Tritonia indecora, B. 



16. One of the inner plates. 



(Figs. 13-16 drawn by Cam. 200 x .) 



