] 844.] The Osteology of the Elephant. 9 1 7 



a. Cavity of the brain. 



b. Space occupied by bony cells, between 



c. the outer, and 



d. the inner tablets of the Skull. 

 k. Opening of the nostrils. 



f. Alveolus of the tusk. 



g. Old molar in a state of diminution and decay. 

 h. Perfect molar. 



i. Embryo molar, progressing forwards and downwards. 

 k. Inferior maxillary. 



1. Cervical vertebrae, 7 in number. 



2. The ribs — 19 on each flank. 



3. Bones of the Sacrum. 



4. The caudal vertebra?, 24, in number. 



5. The Sternum. 



f). The clavicles. (?) 



7. The Scapula. 



8. The'humerus. 



9. The ulna. 



10. The radius. 



1 1 . The Carpus, comprising 7 bones. 



12. The metacarpus, and interior digital phalanges, five in each foot. 



13. The femur. 



14. The tibia. 



15. The fibula. 



16. The tarsus. 



17. The metatarsus and posterior digital phalanges, four in each foot. 



18. The patella. 



Plate II, Fig I. An elephant descending a bank of too acute an 



angle to allow of his walking down it laterally, which, were he to 



attempt doing, his huge body, soon exceeding the centre of gravity, 



would certainly topple over. His first manoeuvre is to kneel down 



close to the edge of the declivity, having his chest upon the ground; 



one fore leg is then carefully passed a short way down the slope, and 



if there is no natural projection adapted for firm footing, a step is 



speedily kicked out of, or pressed into the soil, according to the state 



of dryness or moisture it may be in. This point gained, the other 



6g 



