RODENTS OF LIBYA 



147 



Gerbillus henleyi henleyi (de Winton) 



Dipodilhts henleyi de Winton, Nov. Zool., vol. 10, p. 284, August 1903 (Zaghig, 

 Wadi Natroun, Egypt). 



General distribution of species. Egypt, Sinai, Libya, and 

 Algeria; range probably also includes Tunisia. 



Distribution in Libya. Coastal plain and littoral deserts of 

 northern Cyrenaica and the Gulf of Sirte. 



Specimens examined. Six, from Cyrenaica: 11 km E Ain el 

 Gazala, 2; 20 km E Tobruch, 3 (1 skin only); 65 km WNW El 

 Agheila, 1 . 



Figure 29. — Distribution of Gerbillus henleyi henleyi. 



Measurements. Measurements of two adult males, 325540 and 

 325549, from 20 kilometers east of Tobruch, are: Total length 161, 

 162; length of tail 90, 94; length of hind foot 18, 19; length of ear 10, 

 10; occipitonasal length of skull 22, 21.9; length of auditory bulla 

 8.7, 8.7; crown length of upper molariform too throw 2.8, 2.7; greatest 

 breadth across zygomatic arches 12, 12; least interorbital breadth 

 4.3, 4.2; breadth of rostrum at level of antorbital foramina 2.4, 2.3; 

 length of nasals 7.6, 7.6. 



