The International Scientific Series. — (Continued.) 



XXXV. VOLCANOES : What tliey Are and what they Teach. By 

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XXXVI. SUICIDE: An Essay in Comparative Moral Statistics. By 

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XXXVII. TirE FORMATION OF VEGETABLE MOULD, THROUGH 

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XXXVm. THE CONCEPTS AND THEORIES OF MODERN PHYS- 

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XXXIX. THE BRAIN AND ITS FUNCTIONS. By J. Luys. $1.50. 



XL. MYTH AND SCLENCE. An Essay. By Tito Vignoli. 



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XLI. DISEASES OF MEMORY : An Essay in the Positive Psy- 

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XLIL ANTS, BEES, AND WASPS. A Record of Obser^'ations on 

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XLIV. ANIM^VL INTELLIGENCE. By George J. Romanes. $1.75. 



XLV. MAN BEFORE METALS. By N. Joly, Correspondent of 

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XLVL THE ORGANS OF SPEECH AND THEIR APPLICA- 

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XLVII. FALLACIES : A View of Logic from the Practical Side. By 

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