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Show 448 MR. O. THOMAS ON MAMMALS [June 3, D. S. pyrrhopus anerythrus, subsp. nov. No rufous present on head, body, or limbs. Pale lateral lines very indistinct, not shown up by darker external lines. Belly grey, washed with pale orange ; the hairs slaty grey basally, and orange distally, none of them pure white. Hab. Lake-region, S. of Albert Nyanza. The present is a still further eastward extension of the known range of this species, which had never been recorded out of West Africa until Dr. Emin sent home the two specimens of the typical race from Monbuttu, referred to in the previous paper on his Mammals 1. 14. SCIURUS CONGICUS, Kuhl. a. S. Mrogoro, TJsagara. 24/11/89. " Iride fusca. Native name ' Kifruma.' " - E . 15. GERBILLUS, sp. inc. a. Young. Mugombia, Ugogo. 2/11/89. Too young for determination. 16. GERBILLUS NANUS, Blanf. (?). a, o. 6* • Ussougo. 3/10/89. " Iride fusca. Native name ' Nkosso.'"-E. I am unable to distinguish these specimens from some Abyssinian individuals in the Museum collection, obtained by Mr. Blanford himself at Zoulla ; but it is possible that spirit-specimens would show differences not discernible in the dried skins, and, considering the great difference in locality, it would be wiser to accept the determination with some doubt. The species was originally described from Persia, but the Zoulla specimens are unquestionably identical with the types, now in the Museum. [Mus RATTUS, L. a. Bagamoyo.] 17. Mus (ISOMYS) DORSALIS, Smith. a. Monda, Nguru Mountains. 18. Mus (ISOMYS) ABYSSINICUS, Riipp. a. 6* • Gombe, Ikungu. 18/10/89. 19. MYOSCALOPS 2 ARGENTEO-CINEREUS, Peters (?). a, b. Mandera. 3/90. Coll. Langheld. It is with the greatest hesitation that I place these two specimens under one heading. Externally, no one would doubt but that they 1 P. Z. S. 1888, p. 9. 2 Nom. nov. Heliophobius, Peters, 1846, nee Boisduval, Index Meth., Lepi-dopt. p. 69 (1829). |