12 BOOKS PUBLISHED BY Illustratftf Scientific WioxU, Sir J. HERSCHEL'S ASTRONOMICAL OBSER- VATIONS, made during the Years 1834-5-6-7-8, at the Cape of Good Hope ; being the completion of a Telescopic Survey of the whole Surface of the visible Heavens, commenced in 1825. Royal 4to, with 18 Plates, 4/. 4J. Published iv'tth the approval of the Lords Commissioners of Her Majesty's Treasury. DARWIN'S GEOLOGICAL OBSERVATIONS; made during the Voyage of H. M. S. Beagle. Part I. — On Coral Formations. II. — On the Volcanic Islands of the Atlantic and Pacific Oceans. III. — On the Geology of South America. The Three Parts in i vol. Bvo, with Maps, Plates, and Woodcuts, lOi. bd. cloth. ILLUSTRATIONS of the BOTANY OF THE HIMALAYA MOUNTAINS, and of the Flora of Cashmere. By J. Forbes Royle, M.D., V.P.R.S., F.L.S. & G.S., M.R.A.S., Professor of Materia Medica and Therapeutics, King's College. 2 vols. imp. 4to, with 100 Coloured Plates, 5/. 55. cloth. ILLUSTRATIONS OF THE ZOOLOGY OF SOUTH AFRICA. By Dr. Andrew Smith. Complete in 28 royal 410 Parts, comprising 277 Plates of Quadrupeds, Birds, Reptiles, Fish, and Insects, drawn on Stone by Mr. G. H. Ford, and nearly all beautifully coloured from Nature ; with Descriptions of about 6co Species. Price 18/. bound in Five Quarto Volumes, cloth lettered. Each division of the work may be purchased separately, bound in cloth, lettered, at the following proportionate prices, viz. : — Mammalia 50 Plates ^3 o AvES . . 114 „ 70 Reptilia . 78 „ 50 Pisces . .31 Plates £z Invertebrates; ... 1
