10 



DR. J, ANDERSON ON MAMMALS, REPTILES, [Jan. 5, 



2. Gerbillus shawi, Rozet. 



Meriones shawi, Rozet ; Lataste, Etude de la Faune des Vertebres 

 de Barbarie, 188.5, p. 114 ; id. Cat. Crit. des Mammif. Apelagiques 

 Sauvages de la Tunisia, 1887, p. 27. 



5 2 & 1 c? , Duirat, Tunisia. 



Measurements of G. shawi. 



The largest female was gravid (June), and had four foetuses, well 

 advanced, in each horn of tlie uterus. 



Subfamily Murinte. 

 Genus Mus, Linnaeus. 



3. Mtjs musculus, Linnaeus ; Lataste, Etude de la Faune des 

 Vertebres de Barbaric, 1885, p. 135 ; id. Cat. Crit. des Mammif. 

 Apelagiques Sauvages de la Tunisie, 1887, p. 22. 



1 2 juv., Biskra; 2 d , Hammam Meskoutine, Province of Con- 

 stantine; and 1 c?, Duirat, Tunisia. 



Family IL Octodontid^. 

 Genus Ctenodactylus, Gray. 



4. Ctenodactyltjs gundi, Rothman ; Lataste, Etude de la 

 Faune des Vertebres de Barbarie, 1885, p. 152; id. Cat. Crit. des 

 Mammif. de la Tunisie, 1887, p. 31. 



2 2 & 1 c?, Duirat, Tunisia. 



This species is said to be common on the hills behind Biskra. 



Family IIL Dipodidje. 

 Genus Dipus, Gnielin. 



5. Dipus hirtipes, Lichtenstein ; Lataste, Etude de la Faune 

 des Vertebres de Barbarie, 1885, p. 150 ; id. Cat. Crit. des Mammif. 

 &c. 1887, p. 30. 



1 ?, Biskra. 



This female gave birth to two young ones while in my possession 

 (27 April), but made no visible effort to rear them. 



