Just Published, 8yo, pp. 487, price 21s, 

 With Six Coloured Lithographs of Birds by Keulemans, 



OBSERVATIONS ON THE GEOLOGY AND ZOOLOGY 



OF ABYSSINIA, 



Made during the progress of the British Expedition to that country in 1867-68. 



By W. T. BLANFORD, F.G.S. & Z.S., etc., late Geologist to the Abyssinian Expedition. 



With Coloured Illustrations and Geological Map. 



Crown Svo, pp. 384, price 8s. Qd. 



CONTRIBUTIONS TO THE THEORY OF NATURAL 



SELECTION. 



A SERIES OF ESSAYS. 

 By ALFRED RUSSEL WALLACE, Author of ' The Malay Archipelago,' &c. &c. 



Clarendon Press Series. Demy Svo, pp. 268, price 16s. 



FORMS OF ANIMAL LIFE, 



Being Outlines of Zoological Classifications, based upon Anatomical Investigation, 

 and Illustrated by Descriptions of Specimens and of Figures. 



By GEORGE ROLLESTON, M.D., F.R.S., 

 Linacre Professor of Anatomy and Physiology in the University of Oxford. 



LONDON: MACMILLAN AND CO. 

 Just Published, 12mo, pp. 116. 



THE BIRDS OF MARLBOROUGH, 



Being a Contribution to the Ornithology of the District. 



By EVERARD F. IM THURN. 



Marlborough : ' Times Office,' and Lucy, Bookseller. 

 London : Simpkin, Marshall, & Co. 



REDUCED PRICE. 



F. HANKE, Bookseller at Zurich, Switzerland, oflfers the celebrated 

 ORNITHOLOGICAL WORK, 



NATURAL HISTORY OF BIRDS, 



By Db. H. R. SCHINZ. 



New and enlarged Edition, 21 Parts, Imp. 4to (71| sheets Text, and 126 Coloured Plates). 

 Original Price £6, now at £3 16s. Obtainable through all Booksellers. 



As the remainder of the stock is rather small, orders should be given at once. At the 

 same time attention is directed to his Catalogue of Secondhand Books, No. 80, relating to 

 Natural History. 



