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Show 1875.] SIR V I C T O R B R O O K E O N A N E W D E E R . 261 primaries straighter, the spot in cell perpendicular, the median streaks longer, the central nebulous fascia less defined ; body dark grey; pterygodes almost entirely chocolate-brown ; abdomen with lateral black spots smaller, less defined; wings below paler; the transverse discal brown streak scarcely visible in primaries, and further from outer margin ; ventral blackish spots larger. Expanse of wings 3 inches 7 lines. " E . Indies. Probably from Scinde" ! (Warwick). Type, B.M. Notwithstanding the general similarity between this species and II. pinastri, I have no doubt that it is distinct. It is probable, from what we know of the metamorphoses of the Sphingida, that the larvae of the two species are much less alike than the imagines. 59. HYLOICUS UNIFORMIS, n. sp. Allied to H. asiaticus, but altogether smaller, paler ; the markings less defined, excepting two central waved transverse grey bands across primaries ; the abdomen uniform whity brown, without lateral black and white spots; fringe whitish ; wings and body below uniform sericeous whity brown. Expanse of wings 2 inches 1 line. N . W . Himalayas. Type, coll. F. Moore. This is by far the smallest species in the genus. It may at once be distinguished from H. pinastri and allies by the uniform greyish or whity-brown colour of the abdomen. EXPLANATION OP THE PLATES. PLATE XXXVI. Fig. 1. Sataspes xylocoparis, p. 239. 2. Hemaris mandarina, p. 239. 3. Lophura masuriensis, p. 244. 4. Rhopalopsyche bifasciata, p. 239. 5. Macroglossa vialis, p. 240. 6. • catapyrrha, p. 243. 7. affictitia, p. 240. 8. pyrrhosticta, p. 242. 9. glaucoptera, p. 241. PLATE XXXVII. Fig. 1. Macroglossa hemichroma, p. 243. 2. interrupta, p. 242. 3. nigrifasciata, p. 241. 4. imperator, p. 243. 5. luteata, p. 241. 6. Chcerocampa rosina, p. 248. 6. On a new Species of Deer from -Mesopotamia. By Sir VICTOR BROOKE, Bart., F.Z.S. [Eeceived March 16, 1875.] (Plate XXXVIII.) Upon his return from the Seistan Boundary Expedition, our Corresponding Member Mr. Blanford informed me that he had heard |