132 Dr. J. E. Gray on a cephalic process : tegmina yellowish olivaceoiiSj the veins and costal area bright green ; the entire surface covered with black-edged orange spots, arranged as in F. virescens^ but larger and better defined ; outer margin brown : wings carmine ; outer margin brown, broadest at apex : cephalic process, head, and protliorax above, and tlie entire pectus green, spotted with black ; meso-and metathorax testaceous, black-spotted ; abdo-men above reddish, below testaceous varied with emerald-green ; legs emerald-green. Lengthof body, including cephalic process, 1 inch, of cephalic process 4 lines ; expanse of wings 2 inches 1 line. Hah. Nepal. Type, B.M. Mr. Whitely has sliown me a second examjde from Sikkim. This species will come at the end of my Section 5. XVII. — On Dendrohyrax Bakeri, a neio Species from Tropical Nortli-easterri Africa. By Dr. J. E. Geay, F.R.S. &c. Sir Samuel Baker, K.C.B., collected during his travels a Dendrohyrax at Latiko, in lat. 3° 0' N., in tropical Eastern Africa, and has presented a skin with its skull to the British Museum. The skull shows that it is a species of the genus Dendrohyrax^ and is peculiar in that genus for having the back edge of the orbit incomplete, whereas in the skulls of the two species of this genus which we have in the British Museum the bony orbit is complete. The lower jaw is moderately narrowed in front, with a straight lower edge, and rather dilated behind, somewhat a:^ in Dendrohyrax dorsalis — and very different from that of Dendrohyrax arhoreus, which is dilated, and has a rounded outline to the lower edge. The fur is short, uniform, soft, and brown, grizzled with pale tips to the hairs, very unlike the long, soft, fluffy fur of Dendrohyrax arhoreus from vSouth-east Africa, and the harsh dark brown fur, with a large white dorsal patch, of Dendro-hyrax dorsalis from West Africa. It is certainly a species that has not been hitherto entered in our catalogues ; I therefore propose to call it Dendrohyrax Bakeri, after its discoverer. The skull in many respects, especially in the incompleteness of the orbits, agrees with a skull without lower jaw in the British Museum, which we received in 1858 from the museum of the Zoological Society, without any special habitat, and
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