Dr. C. W\ Andreics — Noffis on Egi/ptlan Eocene Mammnk. 113 



showing the whole of the facial portion in a perfect state of, 

 preservation. The figures here given have been constructed from 

 these two specimens, and are sufficient to convey a general idea of 

 the chief characters. It will be seen that in all essential respects 

 this skull is proboscidean, and, in fact, it might almost be described 

 as that of an exceedingly dolichocephalic elephant. 



Fig. 2. — ^skxAl oi Palceomastod(m . ^, from above; ^, from side. «/. alispheuoid ; 

 al.pt. pterygoid wing of alisphenoid ; al.c. alisphenoid canal ; lac. lachrymal. 

 The other letters are as in Fig. 1 . 



The supra-occipital surface slopes somewhat forward, and has 

 a deep median fossa for the attachment of muscles and ligaments, , 

 exactly like that found in Elephas. The region of the lanibdoidal 

 crest, both in the squamosal and the parietal, is considerably swollen 

 by the development of sinuses which communicate with the exterior 



DECADE Y. — VOL. I. NO. III. S 



