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Show 44 MAJOR H. H. GODWIN-AUSTEN ON NEW [Jan. 6, Walden, and the great use his fine collection has proved in the correct determination of so many of the birds I obtained. Several birds from the same part of India yet remain to be identified ; and I may mention the discovery of a Bambusicola, allied to B.fytchii, Anderson, with which m y specimen agrees very closely, but the dimensions differ much. Thus :- Length. Wing. Tail. Tarsus. Bill at front. in. in. in. in. in. Yunan bird . . Khasi bird .. . 12-0 .. 14-5 5-8 6-25 4-2 5-0 1-58 1-2 0-86 0-90 If this should prove distinct on comparison of the specimens, I propose to name it B. hopkinsoni, after the able officer so long the Commissioner of Assam, and who took so great an interest in our survey operations. The presence of this bird so far west, even if it should prove identical with Anderson's bird, is a point of very great interest in the distribution of some of the forms from Western China. Cypselus subfurcatus, Blyth, identical with specimens from A m oy and Malacca, I also found breeding at Shillong in June, in the precipices that bound the U m i a m valley-Cypselus infumatus, Sclater (tectorum of Jerdon), being another Swift having an equally extended range and discovered about the same time ; and the presence of other genera on this elevated promontory of the Garo, Khasi, and Naga Hills, south of the alluvial valley of the Brahmaputra, marks most distinctly the extreme limit of the very marked Indo-Chinese and Malayan fauna, across which narrow belt many do not extend. SlTTA NAGAENSIS, n. Sp. Description.- Above slaty blue, palest on neck and head ; two centre tail-feathers, shoulder of wing, and secondaries same colour rather brighter; quills brown-black ; outer tail-feathers black, with a white patch on the inner web of the four outer, increasing outwards and in the outermost extending diagonally to the other web, all tipped grey and terminating in black ; a black streak from lores through eye to ear-coverts and down side of neck. Beneath dull sordid white, purer on chin and throat, with a few white feathers bounding the ear-coverts ; flanks, thighs, and under tail-coverts rusty chestnut, all the latter with a terminal white spot. Bill black above, grey below ; legs greenish black; irides dark brown. Length 4-9 inches, wing 3-0, tail 1*75, tarsus 0-68, bill at front 0-58, extent of foot 1*2. Inhabits the Naga Hill-ranges, and was not uncommon. GARRULAX GALBANUS, n. sp. (Plate X.) Description.-Above pale pure olivaceous on head, with a brown tinge on the back; tail pale ashy brown; the four central feathers tipped umber-brown and barred ; the four outer of the same colour in middle and broadly tipped with white; wing concolorous with |
