252 
THE MAMMALS OE EGYPT. 
MURIDS. 
Subfamily GERBILLINJE. 
In this subfamily the infraorbital foramina are very narrow, pear-shaped, with long 
lateral wings. Molars with inward foldings of the enamel of the sides of the teeth 
forming a somewhat similar pattern above and below. Auditory bullae usually large. 
Dentition: i. j, m. | = 16. 
GERBILLUS. 
Gerbillus, Desmarest, Nouv. Diet. Hist. Nat. xxiv. 1804, Tab. Meth. p. 22. 
Tall long, well clothed with hair which is somewhat longer towards the extremity, 
forming a terminal pencil. Hind legs and feet considerably elongated; soles of feet 
hairy, granular, without pads. Incisors with a deep median groove. Molars with 
irregular deep lateral infoldings of the enamel; the front portion of the first molar 
considerably narrower than the second. 
Geebillus geebillus, Oliv. (Plate XL.) 
Dipus gerbillus, Olivier, Bull, des Sc. Phil. Paris, vol. ii. 1801, p. 121; id. Voy. Emp. Otb. ii. 
(Egypte) 1804, p. 90, pi. 28. fig. 1 & pi. 33. fig. 2. 
Gerbillus eegyptius, Desm. Nouv. Diet. Hist. Nat. xxiv. 1804, Tab. Meth. p. 22 j F. Cuv. Trans. 
Zool. Soc. ii. 1838, p. 141, pi. 25. figs. 1-5. 
Meriones longicaudus, Wagner. Arch. f. Naturg. viii. i. 1842, p. 19; id. Schreb. Saug. Suppl. iii. 
1843, p. 477. 
. Beltim. In alcohol. 
2 cJ, 2 ? . Desert to the east of Ain Musa. In alcohol. 
? . Mersa near Suez. In alcohol. 
. Sakkarah. In alcohol. 
2 cJ, 2 ? . Gizeh. In alcohol. 
10. Moghara. Dr. C. W. Andrews. In alcohol and skins. 
4. Favum. Dr. C. W. Andrews and Mr. H. S. L. Beadnell. In alcohol and skins. 
(/ 
1. Abu Boash. Capt. S. S. Flower. In alcohol. 
Snout rather pointed, the distance from the anterior angle of the eye to the snout 
being slightly more than three times the interval between the posterior angle of the 
eye and the ear. Ear of moderate size, broadly rounded at the tip, the anterior margin 
