552 PROCEEDINGS OF THE NATIONAL MUSEUM vol. loe 



Measurements: Cranial measurements of an adult male from 

 Khor Arbat and an adult female from No. 2 Station are, respectively, 

 as follows: Greatest length of skull 110, 10G.4; condyloincisive length 

 106, 101. G; length of auditory bullae 20.2, 19.1; greatest width across 

 zygomatic arches 58.0, 57.1; least postorbital width 20.2, 20.2; least 

 interorbital width 19.7, 19.3; length of nasals 38.4, 34.9. 



Kemarks: V. ruppellii may be distinguished from V. pallida by 

 its more intense reddish color; the longer ears; and the clear anterior 

 face of the foreleg, that is, the blackish stripe on the foreleg of pallida 

 is missing in riippellii. 



Fennecus zerda (Zimmerinanii) 



Cams zerda Zimmermann, Geogr. Geschichte, vol. 2, p. 247, 1780. (Sahara and 

 other regions back of the Atlas Mountains, and in Tripoli.) 



Fennecus arabicus Desmarest, Dictionnaire d'histoire natiirelle, tableau de 

 m6thodique des mammiferes, p. 18, 1804; Nouveau dictionnaire d'histoire 

 Naturelle, vol. 11, p. 342, 1817. (Barbary, Nubia, Abyssinia.) 



Fennecus hrucei Desmarest, Mammalogie, in Encyclopaedia M6thodique, p. 

 235, 1820. (Libya, Tunis, Algeria, and Sennaar.) 



(Other synonyms extralimital to the Sudan.) 



Specimen Examined: One, in BM, from Dongola. 



Measurements: An adult male from Dongola measures as follows: 

 Length of head and body 360; length of tail 290; length of hind foot 

 92; length of ear 90; greatest length of skull 83.5; condyloincisive 

 length 81.8; length of auditory bullae 19.5; greatest width across 

 zygomatic arches 44.0; least postorbital width 18.0; least interorbital 

 width 15.7; length of nasals 26.5. 



Remarks: The fennec is the smallest of the canids occiuring in 

 the Sudan. It may be further differentiated from the rest of the 

 family in the Sudan by its extremely pallid color and by the presence 

 of a small blacldsh tip on the tail. 



Subfamily Simocyoninae 



Lycaon pictus somalicus Tliomas 



Lycaon pictus somalicus Thomas, Ann. Mag. Nat. Hist., ser. 7, vol. 14, p. 98, 



August 1904. (Gorahai, Somaliland.) 

 Lycaon riippelli Matschie, Sitzb. Ges. Naturf. Freunde, Berlin, p. 415, October 



1915. (Bajuda Steppe Region, Anglo-Egyptian Sudan.) 

 Lycaon takanus Matschie, Sitzb. Ges. Naturf. Freunde, Berlin, p. 360, October 



1915. (Near Khor el Gasch, Taka District, Anglo-PJgyptian Sudan.) 

 (Other synonyms extralimital to the Sudan.) 



Specimens Examined: Two, both in BM, from: Bir el Girud, 1; 

 Bahr-el-Ghazal, 1. 



Measurements: Cranial measurements of an adult male from Bir 

 el Girud are as follows: Greatest length of skull 217; condyloincisive 



