DESCRIPTION OF PLATES. 107 
Fig. 7.— Equus Namadicus, from the Nerbudda. Fragment of upper 
jaw, right side, with entire molar series.—B.M. 
Length of molar series, 7°05 in. Length of three true molars, 3-2 in. Length 
of third molar, 1:15in. Breadth of ditto, -9in. Length of second molar, 1:05 in. 
Breadth of ditto, 1-lin. Length of first molar, ‘96in. Breadth of ditto, 1-05 in. 
Length of third premolar, 1-15in. Breadth of ditto, 1:15in. Length of second 
premolar, 1:16in. Breadth of ditto, l:lin. Length of first premolar, 1°55 in. 
Breadth of ditto, 1:0 in. 
Fig. 8.—Equus Namadicus. Fragment of lower jaw, left side, with 
entire molar series.—B.M. 
Length of molar series, 7°93 in. Length of three true molars, 3°76 in. Length 
of third molar, 1-°2in. Breadth of ditto, -5in. Length of second molar, 1:2 in. 
Breadth of ditto, 65in. Length of first molar, 1:°25in. Breadth of ditto, °7 in. 
Length of third premolar, 1:2in. Breadth of ditto, -°7in. Length of second pre- 
molar, 1*3in. Breadth of ditto,*73in. Length of first premolar, 1°55 in. Breadth 
of ditto, ‘66 in. 
Figs. 9, 9 a, and 9 6.—Equus Paleonus (Fale. and Caut.), from 
the Nerbudda. Fragment of anterior portion of palate, with six in- 
cisors and two small canines. Presented by C. Frazer, Esq.—B.M. 
Between inner alveolar margins of canines, 1-lin. Diastema between canine 
and external incisor, *8in. Between posterior angles of external incisors, 1°7 in. 
Length of three incisors of one side, 1-6in. Length of external incisor, ‘6in. Length 
of middle ditto, -65in. Length of internal ditto, ‘56in. Length of alveolus of 
canine on left side, °4in. Breath of ditto, °3 in. 
Figs. 10, 10 a, and 10 6.—Hquus Paleonus. Fragment of anterior 
portion of lower jaw, with six incisors.—B.M. 
Breadth across posterior margin of external incisive alveolus of left side, 
2'4in. Length of three incisors of one side, 1°45in, Length of broken end of 
external incisor, ‘45in. Length of crown of middle incisor, ‘Sin. Length of 
crown of internal ditto, °4 in. 
Figs. 11 and 11 a.—Equus Paleonus. Fragment of lower jaw, right 
side, milk dentition.—B.M. 
Length of third milk molar, grinding surface, 1°3in. Breadth of ditto, -36 in. 
Length of second milk molar, grinding surface, 1:15in. Breadth of ditto, -4 in. 
Length of first milk molar, grinding surface, 1:2in. Breadth of ditto, -4 in. 
Figs. 12, 12 a, and 12 b.—Fossil Hquus, from the Irrawaddi. Frag- 
ment of lower jaw, comprising symphysis and six incisors.—B.M. 
Length of fragment, 4-4 in. Between external angles of external incisors, 2:4 in. 
Length of three incisive alveoli of one side, 1°5 in. 
Fig. 138.—Hippotherium Antilopinum (Fale. and Caut.), from the 
Sewalik hills. Fragment of upper jaw, left side, with entire series of 
six molars.—B.M. 
Length of molar series, 5"3in. Length of three true molars, 2°36in. Length 
of third molar, ‘8in. Breadth of ditto, -55in. Length of second molar, -85 in. 
Breadth of ditto, *76in. Length of first molar, *8in. Breadth of ditto, -85 in. 
Length of third premolar, ‘93 in. Breadth of ditto, ‘86 in. Length of second pre- 
molar, ‘96 in. Breadth of ditto, -95 in. Length of first premolar, 1-25 in. 
Breadth of ditto, *83in. Height of second premolar, 2°15in. Height of first pre- 
molar to origin of fangs, 1°4 in. 
Fig. 14.—Hippotherium Antilopinum. Fragment of lower jaw, right 
side, with three premolars and portion of first true molar.—B.M. 
Length of three premolars, 3*1in. Length of three premolars and first molar (frag- 
ment), 4:1in. Remaining portion of diastema, 1°8 in. Length of first molar 
(fragment), ‘8in. Breadth of ditto, 55 in. Length of third premolar, -96 in, 
Breadth of ditto, -6in. Length of second premolar, ‘96in. Breadth of ditto, 
*55in, Length of first premolar, 1:05in. Breadth of ditto, -5 in. 
