Zoological Society. 225 PROCEEDINGS OF LEARNED SOCIETIES. ZOOLOGICAL SOCIETY. Sept. 26th, 1837.— Richard Owen, Esq. in the Chair. Two small quadrupeds from the Society's collection were exhi-bited by Mr. Waterhouse, who stated that he believed them to be undescribed species. The first was characterized as Galago Alleni. Gal. auribus permagnis, digitis perlongis ; vellere intense plumbeo , rufescente lavato ; corpore subtus flavo lavato. Longitudo ab apice rostri ad caudae basin, 8 unc. 1 lin. ; caudce, lOunc. ; auris, 1 unc. 21 lin. : latitudo auris, 11 lin. : longitudo pol-licis antipedum, 6 lin.; digiti longissimi, 1 unc. 1 lin.; pollicis pedum posticorum, 7 lin.'; digiti longissimi, 1 unc. 2 lin.; pedis postici a calce ad apicem digitorum, 2 unc. 11 lin. Hab. Fernando Po. Obs. This specimen, which has four incisors in the upper jaw, and six in the lower, is about the same size as the Galago Senegalensis, but may be readily distinguished from that species by the greater size of the ears, (the length of which is equal to the distance between the tip of the muzzle and the base of the ear,) and the great length of the fingers and toes. In the colouring there is also a difference, G. Senegalensis being grey, washed with yellow ; whereas G. Alleni is of a deep slate grey, all the hairs of the upper parts being of a rusty yellow at the apex, or, as on the fore legs, rusty at the tip. The under parts of the body are of a paler hue than the upper, the hairs being of a dirty yellow colour at the tip ; but like those of the upper parts, they are of a slate grey for the greater portion of their length : on the throat and chin each hair is whitish at the apex. The hairs covering the feet are of a deep brown colour. The tail is dusky brown. Pteromys (Sciuropterus) Horsfieldii. Pier, fuscus, pilis flaves-centi-fuscis crebre intersparsis ; corpore subtiis fiavescenti-albo, genis et patagio lumbari ad marginem rufescenti-jlavis ; caudd subtus nitide ferrugined ; auribus mediocribus. Longitudo ab apice rostri ad caudse basin, 9 unc. 6 lin.; auris, 7 J lin.; tarsi digitorumque, 1 unc. 5 lin. Obs. This species is of a larger size than the Pteromys sagitta, from which it differs in having the ears larger in proportion; the tail more bushy and of an uniform bright rust colour beneath ; the mar-gin of the flank skin is of a reddish yellow colour, as are also the sides of the face below the eye. On the upper parts of the body the fur is of a deep brown, each hair being grey at the base ; the inter-im*. Nat. Hist. Vol. 1. No. 3. May 1838. q
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