The International Scientific Series continued 



XXXV. VOLCANOES : what they are and what they teach. By 



JOHN W. JUDD, F.K.S. Fifth Edition. With 96 Illustrations. 



XXXVI. SUICIDE : an Essay on Comparative Moral Statistics. 



By Professor H. MORSELLJ. Third Edition. 



XXX VII. The BRAIN and its FUNCTIONS. By J. LTJYS, 



Physician to the Hospice de la Salpetriere. With numerous Illus- 

 trations. Third Edition. 



XXXVIII. MYTH and SCIENCE : an Essay. By TITO VIONOLI. 

 Fourth Edition. 



XXXIX. The SUN. By C. A. YOUNG, Ph.D., LL.D. Fifth Edition. 

 With numerous Illustrations. 



XL. ANTS, BEES, and "WASPS. A Record of Observations 

 on the Habits of the Social Hymenoptera. By Lord AVEBURY. 

 Fourteenth Edition. With 5 Chromo-lithographic Plates. 



XLI. ANIMAL INTELLIGENCE. By GEORGE J. ROMANES, 

 LL.D., F.K.S. Sixth Edition. 



XLII. The CONCEPTS and THEORIES of MODERN 

 PHYSICS. By J. B. STALJXX Third Edition. 



XLIII. DISEASES of MEMORY. An Essay in the Positive 

 Psychology. By TH. RIBOT. Fourth Edition. 



XLIV. MAN BEFORE METALS. By N. JOLT, Correspondent 

 del'Institutde France. Fifth Edition. With 148 Illustrations. 



XLV. The SCIENCE of POLITICS. By Prof. SHELDON 



AMOS. Third Edition. 



XLVI. ELEMENTARY METEOROLOGY. By ROBERT H. 

 SCOTT. With 11 Plates and 40 Figures in Text. Seventh Edition. 



XLVII. The ORGANS of SPEECH. By GEOBQ HERMANN 

 VON MEYER. With 47 Illustrations. 



XLVIII. FALLACIES : a View of Logic from the Practical Side. 

 By ALFRED SIDGWICK. Second Edition. 



XLIX. The ORIGIN of CULTIVATED PLANTS. By 



ALPHONSE DE CANDOLLE. Second Edition. 



L. JELLY FISH, STAR FISH, and SEA URCHINS. 



Being a Research on Primitive Nervous Systems. By G. J. ROMANES, 

 LL.D., F.R.S. Second Edition. 



'... LI. The COMMON SENSE of the EXACT SCIENCES. 

 By the late WILIJAM KINGDON CLIFFORD. Third Edition. With 

 100 Figures. 



T.JT. PHYSICAL EXPRESSION : its Modes and Principles. By 

 FRANCIS WARNER, M.D., F.R.C.P. Second Edition. With 50 Illustrations. 



LIII. ANTHROPOID APES. By ROBERT HARTMANN. With 

 63 Illustrations. Second Edition. 



. LIV. The MAMMALIA in their RELATION to PRIMEVAL 



TIMES. By OSCAR SCHMIDT. Second Edition. With 51 Woodcuts. 



