472 PROCEEDINGS OF THE NATIONAL MUSEUM vol. io« 



Older LAGOMORPHA 

 Family Leporidae 



Poelagus marjorita larkeni St. Leger 



Figure 3,c 



Poelagus marjorita larkeni St. Leger, Ann. Mag. Nat. Hist., ser. 10, vol. 16, p. 

 598, December, 1935. (Yambio District, 100 miles north of Diawo, south- 

 western Bahr-el-Ghazal, Anglo-Egyptian Sudan.) 



Specimens Examined: Fourteen, all in BM, from: Sue River, near 

 Diawo, 2; Ibba River, 100 miles north of Diawo, 9; Mount Baginzi, 

 1 ; Diawo, 2. 



Measurements: There are no external measurements available but 

 cranial measurements of an adult male and an adult female from 

 Ibba River, 100 miles north of Diawo, are, respectively, as follows: 

 Greatest length of skull 82.3, 91.0; condyloincisive length 79.8, 89.6; 

 greatest width across zygomatic arches 38.7, 40.2; least interorbital 

 width 18.9, 21.5; breadth of braincase 27.6, 28.7; median length of 

 nasals 29.0, 30.6; greatest width of nasals 17.5, 18.9; length of palatal 

 foramina 20.9, 22.4; greatest width of palatal foramina 8.0, 10.4; 

 width of choanae opposite M^ 6.0, 5.6; length of upper molar series 

 14.9, 17.0. 



Remarks: Major Larken noted on the original labels that these 

 rabbits were locally very common and easily obtainable. They 

 apparently inhabit the open savanna scrub. 



Poelagus marjorita otveni, new subspecies 



Figure 3,c 



Type: CNHM No. 73950, adult male, skin and skull, from Lotti 

 Forest, southwestern Imatong Mountains, Equatoria Province, Anglo- 

 Egyptian Sudan. Obtained November 21, 1950, by J. S. Owen, 

 original No. 1604. 



Specimens Examined: Five, from: Imela, 2; Lotti forest, 1 ; Imurok, 

 1 (MCZ); near Katire, 1. 



Diagnosis: Nuchal spot near Ochraceous-Tawny, gradually shad- 

 ing over the shoulders into tlie dark dorsal color which is predomi- 

 nantly blackish but speckled with Cinnamon Buff. Hands and feet 

 near Cinnamon Buff on dorsal surfaces, witli lips and anterior and 

 posterior parts of belly white and but lightly washed with Cinnamon 

 Buff. Dorsal color extending around throat and middle of belly but 

 not so much black as in dorsal aspect. Underside of tail white, no 

 stripe on dorsal surface. Skull : Braincase broad, rostrum wide, nasals 

 generally narrow, choanae relatively wide, and zygomatic width 

 relatively great. 



