J'JG 
TEirriAliY VEJiTEBRATA OF THE FAYtM. 
(loul)le<], llio posterior lol )0 still larger, and tliere are traces of a small postero-internal 
tubercle. The dimensions (in centimetres) of the premolars are : — 
Length. Width. 
pm.l Jai -7 
])m. 2 1-3 -8 
]»ii. 3 I'O 1 
jnn. 4 I’G 1'2 
Length of jjremolar series 5'G. 
Genioliyus major, Andrews. 
[Text-fig. Go.] 
11)04. Geniohjiis major, C. W. Andrews, Geol. Mag. [3] vol. i. p. 212. 
T//pe Specimen . — Portion 
Geological Museum, Cairo. 
of left ramus of mandible with 1-3 
Text-fig. G3. 
(text-fig. 63) ; 
This species is considerably larger than either of the others, the length of the three 
premolars being 5'5 cm., while in G. minis the same teeth measure 3'6 cm. and in 
G. fnjumensis 4T cm. The posterior lobes of the premolars are still larger and more 
selenodont than in G. fajumensis. 
Form. cG Foe. — Fluvio-marine beds (Uj^per Eocene): l>irket-cl-Qurun. 
C. 8980. Portion of left ramus of mandible with 1-3 in good preservation. The teeth (text- 
lig. (13) are very similar to those of G . fajHnie)ms,\i\\i ilie hinder lobe is wider and more 
massive, and in wear gives an even more distinct V-sha[ied surface. The dimensions 
(in centimetres) of the teeth are : — 
Lrnglh. Width. 
1 1 ‘8 1 
2 1-0 1-4 
pui.'i 2 P5 
M. 8876. Plaster cast of the above s[)ecimen. 
Made in the Jiritixh Mn.fenni. 
