QUATEENAEY FAUNA OF GIBEALTAR. 



12'i 



In masses of ossiferous breccia sent by General Frome from Poco Roco, and in some 

 forwarded, I am not sure from what point, by Captain Luard, I found, completely 

 imbedded in hard breccia, remains of a large Boar, in such a mineral condition as to 

 leave no doubt of their contemporaneity with the most ancient species. 



One of the specimens of this kind is a mass of breccia, which in a few cubic inches 

 presents, much crushed, the greater part of the mandible, containing the canines and, 

 taking the two sides together, most of the teeth, together with an apparently entire 

 metatarsal and fragments of other bones. 



In another mass of the same breccia I found, and have partially chiselled out, a fragment 

 of the upper jaw, which may or may not correspond with the mandible, and containing 

 the last premolar and the first and part of the second molars. And from the same 

 breccia I have also exhumed the distal extremities of the third and fourth metatarsals, 

 cemented together in their natural position by the hard matrix, and together with these 

 and but a little way apart from them the two corresponding phalanges, of which one is 

 almost entire. The conjoint width of the two metatarsals and of the proximal ends of 

 the phalanges is 1"'5. The phalanx measures 1"'5 long. 



The specimens forwarded by Captain Luard consist of portions of the upper and 

 lower jaws of the same individual (to judge from the accuracy with which the teeth 

 fit), and containing each the three molars, all entire except the third lower : those 

 that remain are most of them worn, and especially the upper first molar. The teeth 

 measure : — in. 



m. 1 •62X-60 



m. 2 -SOx-eS 



m. 3 1-30X-70 



mTl •60X-40 



m~2 -SOx-SO 



m. 3 X-60 



The vertical diameter of the lower jaw opposite the first molar is l"-6, and its 

 thickness "95. The corresponding measurements in a specimen of an Italian Wild Boar 



in the College Museum are : — 



in. 



m . 1 -65 X -55 



•80X-65 



m. 2 

 m. 3 



m. 1 



m. 3 



1-15 X -70 



•60X-40 



•75X-55 



1-20 X -55 



So far as can be judged from such scanty materials, it would seem that a species of 

 Sus having a dentition similar to that of the European Wild Boar existed on the 



s2 



