CRANIA OR RUMINANTS PROM THE INDIAN TERTIARIES. 65-152 
Greatest width of palate 
Antero-posterior diameter of base of right horn-core 
Transverse „ „ „ 
Distance between outer surfaces of first molars 
Inches. 
. 30 
. 3-6 
. 2-4 
. 5T 
Tlie specimen is distinguished from the last genus hy the smaller diameter of 
the horn-cores ; by the absence of a triangular cross-section of the horn-cores and 
by then more depressed direction ; by the less backward projection of the occipital 
condyles ; by the wider interval between the bases of the horn-cores ; and the less 
excavated median line of the f rentals between them; by the smaller interval 
between the intercornual ridge and the occipital crest ; by the greater proportionate 
width of the transverse diameter of the frontals, and by the smaller elevation of 
the intercornual ridge above the base of the skull ; the continuation of the line of 
the base of the molars cuts the occipital condyles in the present species, while in 
jff. triquetriceros a similar line would cut the occiput considerably above its centre ; 
the form and position of the horn-cores of Amphihos suj0B.ciently distinguishes it 
from Feribos. 
Dr. Ealconer’s remarks on the specimen of the occiput and horn-cores of this 
species figured in Plate I, figs. 2 and 2c^, of the “ Eauna Antiqua Sivalensis” are as 
follows : “ The direction of the horns is more upright than in Semibos triquetri- 
ceros ; the horns are rounded on their anterior surface and flattened behind and 
taper to a point.” The measurements of the specimen figmred in fig. 3 of the same 
plate are as follows 
Inches. 
Length of fragment .... 
From occipital condyles to first molar 
Length of molar series .... 
„ three molars .... 
Inteiwal between external angles of occipital condyles 
Height of occipital crest from foramen magnum 
Width of skull below horn-cores 
„ between maxillary prominences 
Breadth opposite sub-orbital foramina 
Least width of nasals .... 
Greater diameter of orbit .... 
. 17-0 
. 13-7 
. 5-4 
. 3-3 
. 4-5 
. 4-3 
. 3-7 (?) or 6-7 (?) 
. 5-8 
. 4-1 
. 1-4 
. 2-8 
The above measurements correspond in the main with those of the specimen 
figured above ; in the specimen figured in Plate I, {lettered series) fig. 2, of the 
“ Eauna Antiqua Sivalensis,” the horn-cores are complete and measure upwards 
of twenty-seven inches in length ; this specimen belonged probably to a male. 
In the distinctness of the parietal and occipital planes the genus makes an 
approach to the antelopes ; the general form and dnection of the horn-cores is also 
considerably more Antilopine than Bovine ; the horn-cores are, however, further 
removed from the orbit than in the antelopes; the basi-occipital and teeth are 
distinctly Bovine, and the lachrymal is not depressed as in the latter group. Some 
specimens of crania, probably those of aged males, develope a protuberance of 
