ilAMMALS OF AXGLO-EGTPTIAX SrDAX — SETZEE 535 



Acomyg cahirinits cineraceus Fitzinger and Heaglin 



FiGUEE S,a 



Acomys cineraceus Fitzinger and Heuglia, Sitzb. K. Akad. Wis=. Wien, voL .54.. 

 sec. 1, p. 573, 1866. (Doka, eastern Sennaar, betsveen the Atbara and RaLad 

 Rh^ers.) 



Specimens Examined : Eleven, all in BM, from: Khartoum, 1; Ahu 

 Haraz, 1 ; EI Ko^va. 2 : Kamisa, Binder River. 4 : Singa.. 1 : Abu Ushar, 2. 



Measuremexts: An adult male from El Kowa measures as follows: 

 Length of head and body 103; length of hind foot 15.5; length of 

 ear lo : greatest length of skull 27.3 ; condyloincisive length 2-5.1 : length 

 of anterior palatine foramina 6.3: crown length of upper toothrow 4.2: 

 least interorbital width 4.5; width of rostrum at level of antorbital 

 foramen 3.1; length of nasals 10.5: greatest width across zygomatic 

 arches 13.2. 



Remarks: The single specimen available from Khartoum shows 

 intergrading characters in color and shape of the pterygoid region 

 with A. cahirinu-s hinU.ri. 



Acomys cahirinus hunteri De Wixiton 



FiGUBS S.a 



Acomys hunteri De Winton, Xov. Zool., vol. S. p. 401, Dec. 31, 1900. (Platx of 

 Tokar, Suakm.) 



Specimens Examined: Thirteen, all in BM, from: Erkowit. 4; 

 Tokar, 2; Sinkat, 1 : Kerma, 2: Shereik, 1: Merowe. 2: KatuI Hills. 1. 



Measubement^ : The measurements of an adult male from Tokar 

 are as follows: Length of head and body 117: length of hind foot 16; 

 length of ear 16: greatest length of skull 2S.4; condyloincisive length 

 26.0; length of anterior palatine foramina 6.6: crown length of upper 

 toothrow 3.8: least interorbital width 4.7: width of rostrum at level 

 of antorbital foramen 3.3; length of nasals 10.5: greatest width across 

 zygomatic arches 13.7. 



Remarks: Specimens from Kerma. Shereik. and Merowe are inter- 

 grades in color and size of auditory bullae with A. c. cahirinus. How- 

 ever, since the intermediacy of character is found in only these two 

 features and the rest of the characters are like hunteri they are referred 

 to that subspecies. 



Aconxys hystrella Heller 



FicrEE S.a 



Acomys hystrella Hefler, Smithsonian Misc. Coll.. vol. 56. Xo. 17. p. 13. Feb. 28, 

 1911. (Ximule.) 



Specimens Examined: Twenty-seven, from: Ximule. 12 (4. MCZ: 

 20 miles northeast of Nimuie, 2: Torit, 1; 20 miles irest of Torit, 2; 



