628 



the upper surface of the skull : the frontal bones are shorter and the nasals considerably longer 

 in proportion than in the Common Ox. The orbits are nearer the base of the horns. These 

 bases are flattened above, and have a semioval transverse section with a single curve outwards, 

 backwards, and a little upwards, being depressed in their course below the level of the frontal 

 bone. 



Presented by Gideon Mantel/, D.C.I/., F.R.S. 



3850. The right ramus of the lower jaw of the young of a large Ruminant ; showing 

 the three deciduous molars and the first true molar of the right side in situ. 



Hunterian. 



3851. The left cannon-bone, or confluent metacarpus, of the Yak (Bubalus grunniens}. 



Presented by Captain Strachey, R.E. 



3852. The left cannon-bone, or confluent metacarpus, longitudinally bisected, of the 

 Yak (Bubalus grunniens}. 



The original septum of the medullary cavity is partially absorbed : its thick walls are very 

 compact. 



Presented by Captain Strachey, R.E. 



3853. The left os magnum of the Yak (Bubalus grunniens}. 



Presented by Captain Strachey, R.E. 



3854. The right scaphocuboid of the Yak (Bubalus grunniens). 



Presented by Captain Strachey, R.E. 



3855. The right ectocuneiform of the Yak (Bubalus grunniens). 



Presented by Captain Strachey, R.E. 



3856. The right hind cannon-bone, or confluent metatarsus, of the Yak (Bubalus 

 grunniens). Presented by Captain Strachey, R.E. 



3857. The right hind cannon-bone, longitudinally bisected, of the Yak (Bubalm* 

 grunniens). Presented by Captain Strachey, R.E. 



3858. The proximal phalanges of the principal pair of digits of the fore-foot of the 

 Yak (Bubalus grunniens}. Presented by Captain Strachey, R.E. 



3859. The proximal phalanges of the principal pair of digits of the hind-foot of the 

 Yak (Bubalus grunniens}. Presented by Captain Strachey, R.E. 



