1917.1 



Allen, Lang and Chapin, Bats from the Belgian Congo. 



423 



MICROCHIROPTERA. 



Emballonurid,e. 



9. Taphozous mauritianus Geoffroy. 



Plate XLVIII, Fig. 1. 



Taphozous mauritianus E. Geoffroy, Descrip. de l'Egypte, II, 1813, p. 127. 

 He de France. 



Forty-eight specimens (36 skins, 12 alcoholics), collected as follows r 

 Niangara, 2 (skins), Nov. 18-25, 1910; Faradje, 41 (34 skins, 7 alcoholics), 

 Feb. 6, •April 1, May 17-28, June 7, July 11, 1911, and Oct. 22-26, Nov. 

 12-19, Dec. 7-16, 1912; Avakubi, 3 (in alcohol); Garamba and Yakuluku^ 

 1 each (in alcohol). 



Collectors' measurements (6 adult males, 10 adult females) : 



Total length Head and body Tail Foot Ear 



c? 104 (100-109) 82.5 (80-87) 22 (20-26) 13.2 (12-14) 18.2 (17-19) 

 9 106.5 (102-109) 81.6 (77-89) 23.9 (22-26) 13.8 (12-14) 18.2 (17-22) 



Forearm, same specimens, 60.5 (59-62), 9 62 (58-65.6). 



Skull, same specimens: Total length, d 1 21.8 (21.3-22.5), 9 21.6 (20.6- 

 22.5); zygomatic breadth, & 12.4 (12.2-13.1), 9 13 (12-13.8). 



The females in the present series slightly exceed the males in size, but 

 the sexes are not distinguishable on the basis of either size or color. The 

 slight range of color variation seems to be correlated with wear and fading, 

 the white tips of the hairs becoming shorter and less conspicuous through 

 abrasion prior to the moult. 



10. Taphozous Sudani Thomas. 



Taphozous Sudani Thomas, Ann. and Mag. Nat. Hist. (8), XV, p. 561, June, 

 1915. Mongalla, Sudan, "just north of Lado," Upper Nile. 



Eleven specimens, 3 skins and skulls and 8 in alcohol, Dungu, March 1, 

 1913. 



Collectors' measurements (2 females, 1 male), total length, 109 (105-111); 

 head and body, 80.7 (78-82); tail, 28 (27-29); foot, 15 (all 15; 13-14 in 

 dry skin); ear, 19.7 (19-20): Forearm, same specimens (from skins), 

 64.6 (63.6-65.4). Skull, total length, 20.3 (19.6-21); condylobasal length, 



