PLATE 11. 



Fig. 





1. 



Amblotherium soricinum. 



1a. 



>> >j 



2. 



„ mustelula 



2a. 



V >: 



3. 



Peralestes longirostris. 



3a. 



?j )» 



3b. 



J) >> 



3c. 



Outer side view of third 



4. 



Peralestes lo7igirostris. 



4a. 



)> )> 



4c, 



Inner side view of third 



5. 



Achyrodon nanus. 



5a. 



>> >) 



6. 



>j >> 



7. 



>' J) 



8. 



„ pusillus. 



9. 



Peraspalax talpo'ides. 



9a. 



j> )i 



9c. 



Didelphys opossum. 



10. 



Peramus tenuirostris. 



10a. 



3J J> 



10c. 



)) >J 



11. 



Peramus tenuirostris. 



llA. 



n »> 



12. 



" )) 



13. 



„ minor. 



14. 



Stylodon pusillus. 



14a. 



>i j> 



14b. 



»> >) 



15. 



)> » 



16. 



>> » 



16a. 



'» >) 



17. 



» j> 



17a. 



j> ji 



18. 



j> )» 



18a. 



7j 9y 



19. 



J» »> 



Right mandibular ramus ; nat. size. 



lb. ; magn. 3 diam. : B, third molar, magn. 6 diam. 



Right mandibular ramus ; nat. size. 



lb. ; magn. 3 diam. 



Right maxilla ; nat size. 



lb. ; magn. 3 diam. 



lb. ; working surface of molars ; magn. 3 diam. 

 upper molar of Sarcophilus ursirtus ; nat. size. 



Left mandibular ramus ; nat. size. 



lb. ; magn. 3 diam. : B, third molar magn. 6 diam. 

 lower molar of Sarcophilus ursinus ; nat. size. 



Part of right mandibular ramus ; nat. size. 



lb. ; magn. 3 diam. 



Left mandibular ramus ; nat. size : a, ib. ; magn. 3 diam. 



lb. ; nat. size : a, ib., magn. 3 diam. : B, sixth molar ; magn. 6 diam. 



Ib. ; A, ib., magn. 3 diam. 



Left mandibular ramus ; nat. size. 



Ib. ; magn. 3 diam. : B, sixth and seventh molars ; magn. 4 diam. 



Inner side view of molar ; nat. size. 



Left mandibular ramus ; nat. size. 



Ib. ; magn. 3 diam. : B, under border of ascending ramus ; magn. 3 diam. 



Outer side view of molar; magn. 5 diam. 



Fore part of left mandibular ramus ; uat. size. 



lb. ; magn. 3 diam. 



Fore part of left mandibular ramus ; nat. size : a, ib. ; magn. 3 diam. 



Left mandibular ramus ; nat. size : a, ib., magn. 3 diam. 



Left maxilla ; nat. size. 



Ib. ; magn. 3 diam. 



Ib. ; working surface of sixth and seventh molars ; magn. 3 diam. 



Ib. ; hind part of left mandibular ramus ; nat. size : a, ib., magn. 3 diam. 



Ib. ; right mandibular ramus, with parts of maxillary molars ; nat. size. 



Ib. ; magn. 3 diam. 



Fore part of left mandibular ramus ; nat. size. 



Ib. ; magn. 3 diam. 



Mandibular rami ; nat. size. 



Ib. ; left ramus ; magn. 3 diam. 



Portion of the left mandibular ramus ; nat. size : A, ib., magn. 3 diam. 



From the fresh-water mammaliferous marl-beds of the Middle Purbeck, Durdlestone Bay, Dorsetshire. 

 The subject of figure 15 is in the Collection of the Rev. Peter Bellenger Beodie, M.A., F.G.S., 

 Rowington Vicarage, near Warwick ; the subjects of the other figures are in the Collection of Samuel 

 Husbands Beckles, Esq., F.R.S., St. Leonard's-on-Sea. 



