The International Scientific Series continued. 



LXVI. The PBIMITIVE FAMILY in its ORIGIN and 



DEVELOPMENT. By C. N. STAIICKE. Second Edition. 

 LXVII. PHYSIOLOGY of BODILY EXERCISE. By FERNAND 

 LAGUANGE, M.D. Second Edition. 



LXV1II. The COLOURS of ANIMALS: their Meaning and Use 

 especially considered in the case of Insects. By E. B. POULTON, F.R.S 

 With Chromolithographic Frontispiece arid upwards of 60 Figures in Text 

 Second Edition. 



LXIX. INTRODUCTION to FRESH-WATER ALGJE. With 

 an Enumeration of all the British Species. By M. 0. COOKE, LL.D. With 

 13 Plates Illustrating all the Genera. 



LXX. SOCIALISM: NEW and OLD. By WILLIAM GRAHAM, 

 H.A., Professor of Political Economy and Jurisprudence, Queen's College, 

 Belfast. Second Edition. 



LXXI. COLOUR-BLINDNESS andCOLOUR-PERCEPTION. 



By F. W. EDRIDGE-GREEN, M.D. With 3 Coloured Plates. 



LXXII. MAN and the GLACIAL PERIOD. By G-. F. WRIGHT, 

 D.D. With 111 Illustrations and Maps. Second Edition. 



LXXIIL HANDBOOK of GREEK and LATIN PALEO- 

 GRAPHY. By Sir E. MAUNDE THOMPSON, K.C.B. With Tables of 

 Alphabets and Facsimiles. Second Edition. 



LXXIV. A HISTORY of CRUSTACEA : Recent Malacostraca. 

 By THOMAS R. R. STEBBING, M.A. With 19 Plates and 32 Figures in 

 Text. 



LXXV. The DISPERSAL of SHELLS: an Inquiry into the 

 means of Dispersal possessed by Fresh Water and Land Mollusca. By 

 H. WALLIS KEW, F.Z.S. With Preface by A. R. WALLACE, F.R.S., and 

 Illustrations. 



LXXVI. RACE and LANGUAGE. By ANDRE LEFEVRE, Professor 

 in the Anthropological School, Paris. 



LXXVII. The ORIGIN of PLANT STRUCTURES by SELF- 

 ADAPTATION TO THE ENVIRONMENT. By Rev. G. HENSLOW, 

 M.A., F.L.S., F.G.S., &c., author of 'The Origin of Floral Structures,' &c. 



LXXVIII. ICE- WORK PRESENT and PAST. By Rev. T. G. 

 BONNBY, D.Sc., LL.D., F.R.S., &c., Professor ot Geology at University 

 College, London ; Fellow of St. John's College, Cambridge. 



LXXIX. A CONTRIBUTION to our KNOWLEDGE of 



SEEDLINGS. By Rt. Hon. Sir JOHN LUBBOCK, Bart., M.P., F.R.S. 



LXXX. The ART of MUSIC. By Sir C. HUBERT H. PARRY, Mus. Doc. 



LXXXI. The POLAR AURORA. By ALFRED ANGOT. Illustrated. 



LXXXII. WHAT is ELECTRICITY ? By J. TROWBRIDGE. Illustrated. 



LXXXIII. MEMORY. By F. W. EDRIDGE-(TREEN, M.D. With 

 Frontispiece. 



LXXXIV. The ELEMENTS of HYPNOTISM. By R. HARRY 



VINCENT. With Diagrams. Second Edition. 



LXXXV. SEISMOLOGY. By JOHN MILNE, F.R.S., F.G.S., &c., 

 Author of 'Earthquakes.' With 53 Figures. 



LXXXVI. On BUDS and STIPULES. By the Right Hon. Sir JOHN 



LUBBOCK, Bart., M.P., F.R.S., D.C.L., LL.D. With 4 Coloured Plates and 

 340 Figures in the Text. 



LXXXVII. EVOLUTION by ATROPHY, in Biology and Sociology. 



By JEAN DEMOOR, JEAN MASSART, and BMILE VANDERVBLDE. Translated 

 by Mrs. CHALMERS MITCHELL. With 84 Figures. 



London : KEG AN PAUL, TRENCH, TRUBNER, & CO., LTD. 



