254 U.S. NATIONAL MUSEUM BULLETIN 2 75 



such as the Wadi Bey, Wadi Soffegin, and Wadi Titti located farther 

 to the southeast. 



Ctenodactylus gundi gundi (Rothman) 



Mus gundi Rothman, Schloezer's Briefwechsel, p. 339, 1776 (Gharian, 80 km S 

 Tripoli, Libya). 



Specimens examined. Twenty-nine, from Tripolitania: 5 km W 

 Cussabat, 24 (1 skeleton); 20 km E Rumia, 5. 



Measurements. Averages and extremes of five adult males and 

 seven adult females from 5 kilometers west of Cussabat, are, respec- 

 tively: Total length 221.4 (200-240), 232 (220-245); length of tail 

 22.8 (20-25), 24.3 (20-30); length of hind foot 40.6 (38-44), 37.6 

 (35-44); length of ear 18.8 (18-20), 19.3 (18-20); greatest length of 

 skull 48.3 (47-49.3), 48.3 (46.4-51.4); basilar length of skull 36.8 

 (35.4-38.1), 37.7 (36.5-39.7); greatest breadth across zygomatic arches 



32.2 (30.7-33.4), 31.8 (30.3-33.2); length of nasals 19.4 (18.4-20.7), 



20.3 (18.5-21.6); greatest breadth of nasals 6.2 (5.8-6.5), 6.5 (6.4-6.7); 

 least interorbital breadth 12.1 (11.8-12.6), 12.3 (11.5-12.6); breadth 

 of interparietal 12 (11.4-12.6), 11.7 (11.4-12.3); length of diastema 

 12 (11.3-12.5), 12.1 (11.6-12.8); length of anterior palatine foramina 

 7.8 (7.4-8.2), 8 (7.7-8.4); crown length of upper molariform toothrow 

 9.5 (8.4-9.9), 9.7 (9.4-10.2); oblique length of auditory bulla 16.8 

 (16-17.6), 16.9 (16.2-17.5); height of auditory bullae 14.4 (13.7-15.3), 

 14 (13.6-14.5); jugular breadth 19.5 (18.8-20.6), 19.2 (18.1-20). 



Diagnosis. Entire pelage silky and lustrous, Cinnamon-Buff dor- 

 sally with moderate suffusion of brown on middorsal and facial re- 

 gions, and Pinkish Buff ventrally with frequent exposure of the 

 Plumbeous underfur; long brown guard hairs of the dorsum extending 

 noticeably beyond level of underlying pelage; circumoral area and 

 chin slightly paler than surrounding pelage and approaching Light 

 Ochraceous-Buff; dorsal surfaces of fore and hind feet Light Buff 

 with mild suffusion of Warm Buff; ventral surfaces of fore and hind 

 feet black and naked, with prominent metacarpal and metatarsal 

 tubercles, and with thickened pads at the bases of the short black 

 claws; each appendage with four functional digits; each digit of the 

 hind foot enveloped terminally by stiff, bristle-like hairs, some of 

 which are markedly hardened and resemble claws; vibrissae long, 

 black, and extending posteriorly beyond level of the ears; pinna of 

 ear small and inconspicuous, round in shape and with black inner 

 surface; outer rim of pinna approaching Light Buff and contrasting 

 markedly with the darker color of the surrounding pelage; tail 

 markedly short and uniformly colored Warm Buff. Skull: Large, 

 massive, and extremely angular with heavy parietal ridges and zygo- 

 mata; nasals wide and slightly flaring anteriorly; lachrymals and dor- 



