34 FAUNA ANTIQUA SIVALENSIS. 
Length of cranium from gecipital protuberance to the end of incisive, left side 
(four feet exactly), 48°in. From occipital condyles to left side, 39°in. From 
occipital condyles to anterior border of molar alveolus, 26°5in. Vertical height 
from condyles to sinciput, 24°5in. Diameter across the occipital condyles, 9°2 in. 
Antero-posterior diameter of left condyle, 5-1in. Transverse diameter of right 
condyle, 3°85in. Transverse diameter of occipital foramen, 3-0in. Antero-posterior 
diameter of occipital foramen, 3:1in. From the surface occipital bulge plane to 
anterior entire margin of naso-maxillary sinus, 19°lin. Semi-diameter of widest 
part of occipital (making total of occiput, 29°2in.), 146in. Semi-diameter 
(transverse) of naso-maxillary sinus (entire diameter restored, estimated 16: in.), 
79in. Interval between naso-maxillary sinus and post-orbital margin of frontal, 
4:55 in. Mesial width across forehead from post-orbital process to inner mar- 
gin of incisive, left side, 13:1 in. (Width of forehead at this part restored, 
26°25 in.) From tip of post-orbitary process to surface of occipital, 17°75 in. 
From tip of incisives outside to post-orbitary process, 30°75in. Length of 
Incisive to margin of naso-maxillary sinus, 31l-in. Depth of zygomatic fossa, 4-25 
in. Estimated width of cranium between middle of zygomatic fossee, 19° in. 
Height from lower margin of auditory foramen to the summit of sinciput, 18° in. 
Depth or height of cranium from the posterior margin of molar alveolus (back 
part of palate) to the summit of sinciput, 32°in. Depth from posterior and upper 
margin occipital foramen to posterior margin molar alveolus, 9°5in. Height of 
the orbit, 8-78 in. Length of anterior portion of the palate, from anterior end of 
molar alveolus to tip of incisive, 16-in. Transverse diameter, left incisive at tip, 
11‘5in. (Estimated width of both incisives at tip, 24-in.) Vertical diameter of 
left incisive at tip, 10°6in. Vertical height of sub-orbitary foramen, left, 3°85 in. 
Width of incisive at contraction below sub-orbitary foramen, 10°75 in. Width of inci- 
sive sheath at sub-orbitary foramen, 7°5in. (Estimated width of both incisive sheaths 
at sub-orbitary foramen, 21°5in.) Interval between the posterior molars, anterior 
end (width of palate in front), 2°7in. Interval behind, 3°25 in. Length of right 
molar (backmost), 11°9in. Width of right molar in front, 4°05 in. Width of right 
molar behind, 5:in. Vertical height from posterior outer margin of molar alveolus 
to post-orbitary process, 21‘in. Interval between outer surfaces of the molars at 
fifth ridge from front, 12°6 in. Antero-posterior diameter auditory foramen, 
1-15in. Transverse diameter auditory foramen, 1-in. Estimated height of occiput 
at restoration from lower surface of condyles to sinciput, 24°5in. Length of left 
tusk outside the incisive sheath, measured along lower surface, 10 ft. 6in. Length 
of left tusk, inside sheath, 2ft. 3in. to 2ft.4in. Estimated total length, 12 ft. 
9in. Total length of head from occipital protuberance to tip of tusk, 4 ft.+ 
10 ft. Gin. =14} ft. Length of right tusk, 10 ft. 8}in. Interval between the tusks 
at emergence from incisive sheath, 6:in. Interval between the tusks at nearest 
approximation, at 33 ft. from incisive, 3°5in. Divergence at tips, 5 ft. 3}in. as 
restored. Height of versed sine of curve from tip to incisive border, right side, 
23°in. Height of versed sine of curve, from tip to incisive border, left side, 23: in. 
Vertical diameter left tusk (14° in. from base) where greatest, 9°in. Transverse 
diameter, left tusk, at ditto, 7-9in. Girth of left tusk, at ditto, 26° in. 
PuatTeE XXII. 
Fig. 1.—Hlephas Ganesa. Lateral view of large skull figured in 
Pl. XXI.—B.M. 
Fig. 2.—H. Ganesa. Palate view of same skull. The right in- 
cisive is seen in section. ‘The posterior true molar is seen on either 
side of palate. It has ten plates and a heel behind, and a small talon 
in front; the hind heel has few denticles; the four front ridges are 
worn. ‘The alveoli are parallel as in the Mammoth.—B.M. 
Fig. 3.—E. Ganesa. Sketch showing restoration of skull, with 
tusks, of L. Ganesa, profile view, one-thirteenth of natural size. 
PuaTe XXIII. 
Fig. 1—EHlephas Ganesa. Sketch showing restoration of skull, with 
