BAST AFRICAN MAMMALS, SIZ 
‘The affinities of this Arvicanthis are a little difficult to decide ; 
it seems on the whole to be more nearly related to the rwmrwti 
species than its near neighbour 4. abyssimicus nairobe. The 
Nairobi form is at once distinguished by its larger size and far 
richer and darker coloration. 
57. PELOMYS FALLAX IRIDESCENS Heller. 
65 D2 Os la” Aanailley lsrovere 
Heller, in his description of iridescens, points out that it is 
distinguished from fallax in possessing a heavier dorsal stripe. 
In the male specimen, now under consideration, the dorsal 
stripe is well marked ; in the female, No. 71, the stripe is absent 
altogether. The type locality of iridescens is Mt. Mbololo, Taita 
Mountains, Seyidie Province. 
58. TACHYORYCTES NAIVASH# Thos. 
Cre eek Sie OF 22 ee Naivasha: 
@ yg. 27. Lemek Valley. 
59, TACHYORYCTES RUDDI BADIUS Thos. 
Go Ws Qe Whe Wilkwi, Issa, 
60. HysTRix AFRICH-AUSTRALIS Pet. 
Q. 64. Amala River. 
61. Lepus vicrort# Thos. 
6.1. Mt. Suswa, B.E.A. 
©. 41. Amala River. 
6. 197. Nakwai Hills, N. of Lake Kirkpatrick, Central 
Province, Uganda. 
3. 173. Kozibiri River, Uganda. 
62. OREOTRAGUS OREOTRAGUS SCHILLINGSI Neum. 
©. 230. Narossura River, B.E.A. 
3g. 187. Mt. Maroto, Uganda. 
In Oreotragus o. schillingst both sexes bear well-developed 
horns, a character which readily distinguishes this form from 
the closely allied Oreotragus o. aureus Heller; in the female 
specimen from the Narossura River the horns are quite as large 
as those of the male from Mt. Maroto. 
63. OUREBIA OUREBIA COTTONI Thos. et Wrought. 
3.193; 9.194. Bakora Plains, Lobor, Uganda. 
©. 65. Amala River, B.H.A. 
3.77. West of Leganisho, B.H.A. 
@. 128. Baringo. 
64. RAPHICERUS NEUMANNI Matsch. 
3. 93. Lengototo, B.H.A. 
65. RHYNCHOTRAGUS GAVENDISHI Thos. 
g. 28. Lemek Valley, B.H.A. 
