RODENTS OF LIBYA 



101 



Distribution of the subspecies in Libya. 



Gerbillus gerbillus aeruginosus. Cyrenaica: Cufra and Bzema 

 oases and the serirs and oases of extreme southeastern Libya. 



Gerbillus gerbillus discolor. Fezzan: Oases, serirs, hamadas, and 

 wadis linking together the various Fezzanese oases. 



Gerbillus gerbillus gerbillus. Cyrenaica: Environs of Giarabub 

 Oasis. 



Gerbillus gerbillus latastei. Tripolitania: Desert areas of central 

 Tripolitania and the Hamada el Hamra. 



Gerbillus gerbillus psammophilous. Cyrenaica: Coastal deserts 

 near Gulf of Sirte, Oases of Gialo and Tazerbo, eastern margins of 

 the Gebel el Harug el Asued, and the intervening Serir of Calanscio. 



Published records in Libya. Cyrenaica: Augila, El Giof, Es 

 Sahabi, Gialo, Giarabub (de Beaux, 1932); Benghazi (Toschi, 1951); 

 Tripolitania: Ain Hammam, Wadi Aggar, "Attich Loulileh," 

 "Loumoulieh," "Shup" (Thomas, 1902); Bu Ngem (Toschi, 1951); 

 Fezzan: El Baharia, Gara el Hamra, Hatiet el Fachri, Hatiet er 

 Zeroi, Sebha, Bir el Wasti (de Beaux, 1928) ; Wadi Tenezoft, Murzuch 

 (Toschi, 1951). 



Comparisons. Based on measurements of Gerbillus dallonii Heim 

 de Balsac as given in the original description (Heim de Balsac; 1936, 



Gerbillus gerbillus 

 I oeruginosus 



2 discolor 



3 gerbillus 

 4- lotostei 

 5. psammophilous 



Figure 20. — Distribution of the subspecies of Gerbillus gerbillus. 



