DESCRIPTION OF PLATES. 111 
Puate LXXXV. 
Figs. 1, la, 1b, le, and 1d.—Equus Sivalensis. Entire femur, 
with both articulating extremities —B.M. 
Extreme length, 15°6 in. Transverse diameter of upper extremity, including 
trochlea, 4°6in. Antero-posterior diameter of posterior segment of great trochlea, 
19in. Transverse diameter of articular surface, 2°5in. Antero-posterior dia- 
meter of articular surface, 2‘1in. Smallest transverse diameter of shaft, 1°8 in. 
Smallest antero-posterior diameter of shaft, 1-°9in. Transverse diameter of lower 
extremity, 3°6in. Antero-posterior diameter externally, 3°6 in. Height of rotular 
surface in centre, 24in. Height of external condyle above neck of femur, 18 in. 
Figs. 2, 2a, and 2b.—Kquus Sivalensis. Upper end of shaft of 
femur, with upper articular extremity. 
Length of fragment, 6°8in. Breadth of upper extremity, 4°3in. Transverse 
diameter of articular surface, 2°2in. Antero-posterior diameter of ditto, 19 in. 
Figs. 3, 8a, 3b, and 3 c.—Hquus Sivalensis.—Entire tibia.—B.M. 
Extreme length, 14-5 in. Transverse diameter of upper extremity, 3:5 in. 
Transverse diameter of shaft (smallest), 1:7 in. Antero-posterior diameter of shaft 
(smallest), 1:2 in. Transverse diameter of lower extremity, 8°in. Length of 
ridge dividing articular fossee, 2°4 in. 
Fig. 4.—Lower end of tibia and astragalus of Equus in situ, resto- 
ration. 
Figs. 5, 5 a, and 5 6.—Calcaneum of Hquus Sivalensis.—B.M. 
Length, 5-8in. Projection of heel, 3-2in. Greatest breadth, 2-lin. Greatest 
height, 1-9 in. 
Figs. 6, 6 a, and 6 6.—Astragalus of Hquus Sivalensis—B.M. 
Length (greatest), 2°5in. Height (greatest), 1°9in. Breadth of scaphoid 
surface, 2°lin. Breadth of trochlea (tibial surface), 1:7in. Antero-posterior 
diameter of trochlea in centre, 1°41in. 
Figs. 7, 7 a, 7b, and 7 c.—Metatarsal bone of Equus Sivalensis. 
Extreme length, 11:5 in. Antero-posterior diam. of shaftin centre, 1:2in. Trans- 
verse of shaft ditto, 1-3in. Transverse of upper extremity, 2-in. Antero-pos- 
terior of ditto, 1:7in. Transverse of lower articular surface, 1°8in. Greatest 
antero-posterior of lower articular surface (in centre), 1°65 in. 
Figs. 8, 8a, 8b, and 8 c.—First phalangeal bone posterior extremity 
of Hquus Sivalensis—B.M. 
Length superiorly, 3‘lin. Transverse diam. of posterior extremity, 2°] in. 
Vertical of ditto, 1:3 in. Transverse of anterior articular surface, 1‘5in. Vertical 
of ditto, °9 in. 
Figs. 9, 9a, and 9b.—Hippotherium Antilopinum. Fragment of 
shaft of tibia with lower articulating extremity.—B.M. 
Length, 5:in. Breadth of inferior articular surface, 2-4in. Length of ridge 
dividing articular fossze, 1°8 in. 
Figs. 10, 10 a, and 10 6.-—Astragalus of Hippotherium Antilopinum. 
—B.M. 
Length, 2-in. Breadth of scaphoid surface, 1:‘6in. Breadth of tibial surface, 
13in. Length of tibia (in centre), 1-2 in. 
Figs. 11, 11 a, and 11 6.—Tarsus, metatarsus, and phalanx of //ippo- 
therium Antilopinum.—B.M. 
Length of whole figure, 15°3 in, 
H 2 
