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Show 80 MR. O. THOMAS ON THE [Jail. 3, Skull. Ba«- Pahite- Palate- Inc. to cranial Length. Breadth, length, breadth, cross line. axis. a. Natal 1*82 1*13 *90 *63 -61 '65 b. „ .. SO *61 *60 - Of this species, the smallest of all the Mungooses, Dr. Sundevall obtained in the typical series a considerable number of specimens; but, curiously enough, no others have come to any of the Museums that I have seen, except specimen b measured above, which was obtained from Natal through a dealer. However, Dr. Sundevall distributed specimens so freely, that there are some of his original specimens of this species in most of the larger European Museums. 2. HELOGALE UNDULATA. *Herpestes undulatus, Peters, Reise n. Mossambique, p. 114, Taf. xxv. (animal and skull) (1852). Hab. East Africa (Mozambique, Peters; Taita, Hildebrandt). Size, compared with that of most Herpestce, small, though slightly larger than Helogale parvula. Form slender. Tail rather shorter than the body without the head. General colour grizzled rufous, the longer hairs annulated with black and white ; underfur for basal portion grey, terminal portion red. Neck, belly, and legs rich rufous, with less black grizzling. Tail coloured like back, no black tip. Skull as in II. parvula, but larger, and the last molar smaller in proportion ; dental percentage about 70. Dimensions. Head and body. Tail. Hind foot. a. Type, Mozambique (Peters) 9*4 0'7 1*56 b. Taita (Hildebrandt) 99 6*4 1*48 Skull. Palate- Palate- Inc. to Length. Breadth, length, breadth, cross line. a. Taita 2*0 1*24 *99 *68 -05 This species may be readily distinguished from H. jjarvula by its larger size and its bright rufous belly and underside of neck, these parts in H. parvula being a dull grizzled brown. I only know of the two specimens of which the dimensions are given above ; so that I am not in a position to state what tbe full range of this form is. Dr. Peters states that //. undulata is particularly fond of eggs, which it breaks by throwing them with its fore legs through its hind ones against a wall. Molars of Helogale. II. parvula. P.M'. M2 . Percentage. fl 5*0 4*0 80 b 5*2 4*1 79 //. undulata. a 5*6 4*0 71 |