HIPPOPOTAMID^E. 307 



18010 b. The left astragalus. Figured, op. cit. pi. Ixvi. fig. 20. 



18010 C. The left astragalus. Figured, op. cit. pi. Ixvi. fig. 21. 



(%-) 



18010 d. The left astragalus. Figured, op. cit. pi. Ixvi. fig. 22. 



(%0 



18010 e. The left astragalus. Figured, op. cit. pi. Ixvi. fig. 24. 



18010 f. The left astragalus. 



40830, 40831. Two specimens of the left astragalus. 



Presented ~by C. Falconer, Esq. 



18011. The left calcaneum. Figured, op. cit. pi. Ixvi. fig. 19. 



(Fig-) 



18012. The imperfect right calcaneum. 



15768. The left cuboid. Figured, op. cit. pi. Ixvi. fig. 25. 

 (Fig-) 



18013. The fourth left metatarsal. Figured, op. cit. pi. Ixvi. 

 (Fig.) fig. 26. 



18014. The fourth and fifth left metatarsals, a first phalangeal, and 

 (Fig.) a sesamoid. Figured, op. cit. pi. Ixvi. fig. 27. 



18015. The atlas vertebra (imperfect). Figured, op. cit. pi. Ixiii. 

 (Fig.) fig. 2. 



18016. The atlas vertebra (imperfect). Figured, op. cit. pi. Ixiii. 

 (Fig.) fig. 3. 



18017. The atlas vertebra (imperfect). Figured, op. cit. pi. Ixiii. 

 (Fig). fig. 4. 



48460. The atlas vertebra (nearly perfect). 



Presented by 0. Falconer, Esq., 1867. 



18018. The axis vertebra. Figured, op. cit. pi. Ixiii. fig. 5. 



(Fig-) 



18019. The axis vertebra. Figured, op. cit. pi. Ixiii. fig. 6. 



x2 



