SUS-STUDIES. 



165 



mm. ; it without doubt is a Sus barbatns-skuW as its slender 

 aud elegant shape indicates, moreover the bony palate is 

 very large backward ; the slightly impressed frontals are 

 another proof of its being a male-skull, as this impression 

 is still less visible in female-skulls of much larger size. 



A character in common with all the skulls of Sus barba- 

 tus, adults as well as young ones is that the premaxilla ends 

 not abruptly anterior of the incisors — as in most other 

 Pig-species — but this bone extends for several millimeters 

 forward; the north Celebian-Pig, Sus celebensis, shows this 

 very character. 



The skeleton of the type-female above described presents 

 14 dorsals with 14 ribs, 5 lumbars, 3 sacrals and 18 

 caudals. The ribs are very broad; compared with the ribs 

 of Sus verrucosus and Sus Milleri they are about double 

 as broad as those of the latter two species ; they agree 

 herein with Sus cristatus, the for the rest so very different 

 Pig of the Indian Continent. The ribs of Babyrussa alfurus 

 are very broad also, but at the same time very thick so 

 that they appear oval by transverse section, the ribs of 

 Sus barbatus however are flat. 



A table of measurements of skulls and teeth, side by 

 side with the same of the other -Sws-species, is to be found 

 at the end of this paper. 



Besides the above discussed material from Borneo, we 

 possess two skulls (see under verrucosus) from Java, collected 

 by Diard ; I fail to find differences between these skulls 

 and the other true barbatus-^\\x\\ ; the mere difference is 

 perhaps their extreme developed parietal crest. It therefore 

 must be accepted that barbatus is living in Borneo, Java 

 and, if we may trust other naturalists, also in Sumatra; 

 perhaps individuals from the latter locality belong to the 

 following species. 



2. Sus oi Miller. 



The foregoing pages already since several months had 

 been written and I throughout was convinced that Sus oi 



Notes from tlie Leyden ÜMuseum, Vol. XX- VI. 



