1889.] NATURAL SCIENCES OF PHILADELPHIA. 213 



The squamosal is rather low, but long from before backwards ; the 

 root of the zygomatic process projects downwards below the basi- 

 cranial axis much more strongly than in the cats and civets, but not 

 to the same degree as in Hophphoneus, where it forms a peculiar and 



Fig. i. Diiuctis felina ; base of skull; car. carotid canal ; c.f. condylar 

 foramen ; f. I. p. foramen lacerum posterius ; glen, glenoid foramen ; f. o. for- 

 amen ovale ; as. hinder opening of alisphenoid canal ; p. p. f. posterior pala- 

 tine foramina ; /. g. post-glenoid process ; mas. mastoid process ; par. 

 paroccipital process ; ma. external auditory meatus. 



conspicuous, pedicel. The glenoid cavity is thoroughly feline in 

 appearance, owing to the strong development of the preglenoid 

 ridge. The zygomatic arches are very long, compressed and quite 

 heavy, though they do not arch out from the sides of the skull 

 so strongly as in the true cats. The post-orbital process of the 

 jugal is but feebly developed. Owing to the strong downward 



