DESCRIPTION OF PLATES. 29 
Biya DOW 
Fig 1.—Elephas insignis. Broken cranium, oblique antero-lateral 
view. Left orbit, &e., gone. This head is very cubical in form, is old, 
very concave in front and vertically; teeth broken. Interval between 
incisive sheaths deep. Notusks. A black specimen in Cautley’s collec- 
tion.—B.M. 
Extreme length from occiput to surface of molars, 26-in. Depth of brow from: 
occiput to upper margin of nasal opening, 5°5 in. Antero-posterior diameter of orbit, 
odin, Width of incisive sheaths at orbitary foramina, 11-4 in. From occipital 
to brow between middle of orbits, 17° in. 
Fig. 2.—Lateral view of same skull, as shown in fig. 4, showing 
zygomatic arch.—B.M. 
Fig. 3.—Posterior view of same skull, asin Plate XVII. figs. 1 and 2, 
showing occiput, occipital foramen, and condyles.—B.M. 
Fig. 4.—Palate view of skull with last upper molars, from a speci- 
men in H. F.’s collection, the same as shown in fig. 2.—B.M. 
Length of palate to commencement of diastemal ridges, 10-in. Length of 
molar, 9'4in. Number of plates 10, and a heel; probably two plates dropped 
out in front. Interval between molars in front, 1:9 in.; interval behind, 3-in. 
Height of pterygoids to palate, 10°in. Length of articulating surfaces for condyles 
of lower jaw, 5'4in.; width, 2°6in. Transverse diameter of right tusk, 3°65 in. 
Length of zygomatic arch, 14°3in. Length of temporal fossa, 9°in.; width of 
temporal fossa from pterygoids to maxillary surface, 7°8 in. Antero-posterior 
diameter of orbits, 6°3 in. 
IP TATE, OVE 
Figs. 1 and 2.—Klephas insignis. Anterior and lateral view of 
cranium, same as represented in Plate XVI. fig. 3.—B.M. 
Extreme length from occipital bulge to plane of molars, 23°in. From occipital 
bulge to broken tips of incisives, 24°in. Extreme width of occiput, 25°5in. Width 
of brow at post-orbitaries, 24-4in. Greatest contraction of brow between tem- 
porals, 18'in. From occipital plane to tip of nasals, 7-°9in. Width of naso- 
maxillary opening, 11°3in. Depth of opening at wings, 3:2in. Contraction of 
incisives at orbitary foramen, 12°2in. Vertical height of orbit, 5°3in. From 
oceipital condyles to anterior end of palate, 22°in. From anterior margin of 
occipital to posterior surface of palate, 12°in. Length of palate to commence- 
ment of diasteme, 11‘8in. Height from sphenoid to tip of pterygoids, 9-8 in. 
Width of palate posteriorly between molars, 3°2in. Width of palate in front, 
2°8in. From posterior surface of pterygoid to extremity of molar, 5'lin. Height 
from occipital condyles to middle of brow between the orbits, 20°Sin. Distance 
between the outer margins of the occipital condyles, 7-2in. Vertical diameter 
of occipital condyles, 2°8 in. Transverse diameter of occipital condyles (length 
of one), 38°8in. Transverse diameter of occipital foramen, 2°9in. Vertical 
diameter of occipital foramen, 2°in. From occiput to anterior margin of orbit. 
15 6 in. 
Figs. 3 and 4.—£. insignis. Anterior and lateral view of another 
cranium. Both zygomatic arches are missing, and the left side of the 
cranium is deficient. Shows the great.length of the incisive sheaths.— 
B.M. 
Prate XVIII. 
Fig. 1.—Elephas insignis. Very young skull.—B.M. 
Fig. 2.—-Elephas insignis. Young skull with milk dentition.—B.M. 
Fig. 3.—Elephas insignis. Skull of a middle-aged individual.—B.M. 
Fig. 4.—Elephas insignis. Lower jaw with two (second and third) 
true molars. The specimen comprises only the right side, with symphysis 
C 
