XLVII. The Organs of Speech and their Application in the Formation of Articulate Sounds. By Georg Hermann Von Meyer. With 47 Woodcuts. 5s.
XLVIII. Fallacies. A View of Logic from the Practical Side. By Alfred Sidgwick. Second Edition. 5s.
XLIX. Origin of Cultivated Plants. By Alphonse de Candolle. 5s.
L. Jelly-Fish, Star-Fish, and Sea-Urchins. Being a Research on Primitive Nervous Systems. By G. J. Romanes. With Illustrations. 5s.
LI. The Common Sense of the Exact Sciences. By the late William Kingdon Clifford. Second Edition. With 100 Figures. 5s.
LII. Physical Expression: Its Modes and Principles. By Francis Warner, M.D., F.R.C.P., Hunterian Professor of Comparative Anatomy and Physiology, R.C.S.E. With 50 Illustrations. 5s.
LIII. Anthropoid Apes. By Robert Hartmann. With 63 Illustrations. 5s.
LIV. The Mammalia in their Relation to Primeval Times. By Oscar Schmidt. With 51 Woodcuts. 5s.
LV. Comparative Literature. By H. Macaulay Posnett, LL.D. 5s.
LVI. Earthquakes and other Earth Movements. By Prof. John Milne. With 38 Figures. Second Edition. 5s.