707 



4510. The skull of a Tiger (Fell* Tigris). Presented by Colonel Fincli. 



4511. The skull of a Tigress (Felis Tigris). 



The dental system is complete : the roots of the teeth are exposed on the left side of the 

 lower jaw. 



Hunterian. 



4512. The skull of a Bengal Tiger (Felis Tigris). 



The right half and the back part of the cranium have been removed, showing part of the 

 bony tentorium, the deep and well-defined sella turcica and Gasserian fossa, the rhinence- 

 phalic fossa and the posterior pair of frontal sinuses, into which the superior turbinals do not 

 extend. 



Presented by Dr. Henderson. 



4513. The skull of a young male Tiger (Felis Tigris). 



The frontal platform is convex both longitudinally and transversely. 



Presented by Sir Stamford Raffles, P.Z.S. 



4514. The skull of a Tigress (Felis Tigrix). 



It has been artificially stained of a dark colour to show by contrast the dental system, 

 which is entire. The occipital condyles have been sawed off. The pigment has been re- 

 moved from the extremities of the left nasal and maxillary bones, to show their form and 

 relative position characteristic of the species. 



Presented by Sir William Elizard, F.R.S. 



4515. The skull of a Tigress (Felis Tigris). Huntzrian. 



4516. The skull of a Tigress (Felis Tigris). Hunterian. 



4517. The cranium of a Tigress (Felis Tigri). Hunterian. 



45 IS. The cranium of a Tigress (Felis Tigris}. 



The left tympanic and squamosal have been removed, showing the extent of the cerebral 

 cavity closed by the squamosal and its tripartite inner surface ; the upper one rough for the 

 broad squamous suture, the anterior and inferior surface smooth and deep for the natiform 

 protuberance of the hemisphere, and the posterior surface smooth and undulated where it is 

 applied to the petrosal capsule, its juncture with which is effected by the medium of the 

 mastoid, which is anchylosed to both. 



Hunter ian. 



4x2 



