528 EPOMOpnoEus ■\tahlbergi wahlbeegi. 



arras of females of " waldheryi" 84 mm., of '■'■ stulilmanni" 80-81, 

 but an adult female (teeth much worn) of ^^ ivahlbergi" in the 

 British Museum from Grahamstown has the forearm 80 mm. The 

 colour of the plagiopatagium along the body varies in a series of 

 alcoholic specimens of " stuhhnanni " precisely within the same 

 limits (whitish brown to brownish white) as it does in a series of 

 " wahlbergi." The colour of the membranes ought, of course, to be 

 described only from freshly killed specimens. 



Remarks. — Both races of the present species occur in British and 

 German East Africa. Although the only tangible difference is one 

 of size and there even in this respect is no perfectly definite line 

 between the races, the smaller haldemani merging gradually into 

 the larger imhlbergi, it is nevertheless in most cases possible, by a 

 careful examination and measuring of the skull, teeth, and external 

 dimensions, to class the specimens under subspecies ; but there will 

 always, in any large series, remain a small number of individuals 

 which it is impossible to allocate. The forty-five specimens 

 examined from IJritish and German East Africa may be identified 

 as follows : — As to British East Africa, the seventeen specimens 

 from Malindi, Takaungu, and Mombasa (in so far as they are 

 sufficiently mature for identification) are well-pronounced halde- 

 mani ; those from " Kitui " (four) are tolerably well-marked 

 haldemani, though with more or less distinct inclinations to %uahl- 

 hergi ; one adult male from Fl. Hall, Mt. Kenya, is a wahlbergi 

 (skull 53 mm., teeth large, forearm 82), and an immature female 

 from Sraara, Mt. Kenya, is, judging from the teeth alone, referable 

 to the same race. In German East Africa the dominant race 

 appears to be ivahlbergi ; all specimens (seven) from Usaramo and 

 Lindi belong to this race ; most (seven) of the specimens from 

 Zanzibar and Dar-es-Salam are well-marked ivahlbergi, but one 

 adult male from Dar-es-Salam and one adult female from Zanzibar 

 are quite unmistakably haldemani ; of the only two specimens 

 examined from Kilimanjaro, one is rather too young for safe 

 allocation, the other a tolerably well-marked wahlbergi, but with 

 leanings to haldemani. The available material is far too small for 

 generalizations ; this much only is sure, that the larger southern 

 race, wahlbergi, extends north to Mt. Kenya, the smaller western 

 and northern race, haldemani, south at least to Zanzibar and 

 Dar-es-Salam, 



a 9 imm. sk. ; skull. Smara, Mt. Kenva, Lord Delaraere 0.6.21.1. 



3700' ; 3 Feb. 1900. [P.]. 



b S ad. sk. ; skull. Ft. Hall, Mt. Kenya, Mrs. S. L. Hinde 4.2.4.1. 



4000'; 16 June, 1903. [P.]. 



c S ad. sk. ; skull. Moshi, Kilimanjaro. E. J. Baxter, 94.2.6.1. 



Esq. [C.]. 



(Z. J imm. al. 'Sear Zomha. {A. Wliyie). Sir H. H. John- 95.12.7.1. 



ston [P.]. 



e. 2 yg- ad. sk. ; Shupanga ; June. Sir J. Kirk [P.]. 64.1.9.4. 



skull. (Type of E. macrocephalus var. unicolor, Gray.) 



f-h. [c?] ad. skull; 2 S Shupanga. Sir J. Kirk [P.]. 64.1.9.5, 



ad. al., skulls. 35, 35*. 



