TOMISTOIMA KEllUNENSE. — PSEPIIOPUOEUS EOCiENUS. 
275 
C. 9350. Rostral portion of skull, incomplete anteriorly. The type specimen described in the Geol. 
Mag. [5] vol. ii. p. 484. The dimensions (in centimetres) of this sj)ecimen are : — 
Total length so far as preserved 49 
Distance from front of posterior palatine fossm to posterior 
end of palatine processes of premaxillm 29‘2 
Distance from orbit to posterior end of facial processes of 
premaxillm 35 
Width immediately in front of orbits 13 app. 
„ at hinder end of premaxillae 5 
C. 9351. Posterior portion of a skull from the same locality. The dimensions (in centimetres) of 
this specimen are : — 
Width of posterior end of skull-roof 17 
,, supratemporal fossa 5-8 
„ bar between supratemporal fossae l-G 
Order CTIELONIA. 
Suborder ATIIECM 
Family SPflARGID/E. 
Genus PSEPHOPHORUS, v. Meyer. 
[Neues Jahrb. (1847) p. 579.] 
Psepliophorus eocaenus, Andrews. 
[Te.\t-fig. 87.] 
1901. PsepJiophorus eoccenus, C. W. Andrews, Geol. Mag. [4] vol. viii. pp. 440-441, tig. 3. 
1903. „ ,, von Reinach, Abhandl. Senckenberg. naturf. Gesell. vol. xxix. pt. i. 
pp. 58-59. 
Type Specimen . — A nearly complete left humerus, described and figured in 
Geol. Mag. [4] vol. viii. p. 441, fig. 3 ; Geological Museum, Cairo. 
A species known only from the humerus, which has the ulnar crest more prominent 
than in PsephopJiorus scaldii and the radial crest more oblique. 
Form. & Loc. — Qasr-el-Sagha beds (Middle Eocene) : north of Birket-el-Qurun. 
This species, which is the only representative of the suborder Athecae found in these 
beds, is known only from the humerus (text-fig. 87), which differs widely in form from 
the humeri of all land and freshwater Chelonians, and from those of all the marine 
2n2 
