124 
TERTIAKY VERTERIiATA OV THE FAYOAr. 
M. 9114. 
M. 8902. 
C. 8808. 
M. 8885. 
M. 8898. 
M. 8894. 
M. 8901. 
M. 8895. 
C. 8127. 
C. 7838. 
M. 9233. 
Two posterioi lol'l upper luohirs. Middle Koeciie. The dimensions (in cenl iinelres) of 
(lie.sc teeth :ire : — 
Lengtli. Width. 
m .2 ,‘3 2-8 
m. ;5 3-2 2’8 
'r!nr<l upper molar. Figured FI. X. tig. 5. Middle Eocene. 
J*resented }>y the Egyptian Government, 1904. 
Nearly complete mandible, incisors and pm. 2 broken away. Upper Eocene. The 
dimensions (in centimetres) of this specimen aia* : — 
Total length (not including incisors) 32-8 
Horizontal width of ascending raimis 1G'.5 
JiCngth of molar series O-!) 
„ premolar series 7T 
Anterior portion of mandible, showing symphysis and right ramus witli pm. 3-4 and 
m. 1-2. Upper Eocene. The dimensions (in centimetres) of this specimen are ; — 
Length of symphysis 
pmi. 3 
pm. 4 
m. 1 
m. 2 
Length. 
2-8 
2 -.') 
2-8 
3-4 
9'u app. 
Width. 
1-8 
2T 
2-1 
2-7 
Presented by the Egyptian Government, 1901. 
Portion of mandible. Middle Eocene. Presented by the Egyptian Government, 1904- 
Portions of mandibles. Middle Eocene. Presented by the Egyptian Government , 1904. 
Portion of left ramus of mandible with premolars. Middle Eocene. 
Presented by the Egyptian Government , 1904. 
Fragment of skull and anterior portion of mandible with much weathered incisors. 
Middle Eocene. Presented by the Egyptian Government, 1904. 
Portion of right ramus of mandible with pm. 2-4 in perfect jireservation. Figured 
on PI. IX. fig. 3. Up])er Eocene. The dimensions (in centimetres) of the tetdh tire: — 
Length. Widtli. 
pm. 2 2-3 1-1 
pnn. 3 2'0 1-7 
pnn. 4 2'4 2 
Length of premolar series 7. 
J’osterior portion of the left ramus of the mandible, showing the last milh-molar with 
the germ of 7 >m. 4 beneath it ; nt. 1 is just in w ear. M. 2 and m. 3 are represented by the 
alveoli onl}^ and probabl}" ?«.. 3 had not yet emerged (text-fig. 43). Ujiper Eocene. 
The dimensions (in centimetres) of the teeth are : — 
Length. Width. 
wm. 4 2-G 1-8 
pm. 4 2-2 
m. 1 2-7 2-1 
Plaster cast of tlie above siiecimen. 
Made in the Hritish M nsm m . 
