WORKS ON 



EMBRYOLOGY AND EVOLUTION 



COMPARATIVE EMBRYOLOGY. By F. M. Baefour, M.A. Illustrated. 

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THE DEVELOPMENT OF THE FROG'S EGG. An Introduction to 

 Experimental Embryology. By T. H. Morgan, Ph.D. 8vo. 7s. net. 



THE CELL IN DEVELOPMENT AND INHERITANCE. By Prof. 

 Edmund B. Wilson, Ph.D. Illustrated. 8vo. 15s. net. 



CREATIVE EVOLUTION, By H. Bergson. Translated by A. Mitchell, 

 Ph.D. 8vo. 10s. net. 



EVOLUTION AND MAN'S PLACE IN NATURE. By Henry 

 Calderwood, LL.D., F.R.S.E. 8vo. 10s. net. 



AN OUTLINE OF THE THEORY OF ORGANIC EVOLUTION. Bv 

 M. M. Metcalf, Ph.D. 8vo. 10s. Gd. net. 



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EVOLUTION AND ADAPTATION. By T. H. Morgan, Ph.D. 8v<.. 

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REGENERATION. By T. H. Morgan, Ph.D. Illustrated. 8vo. 12s. 6d. 

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MAN AND HIS ANCESTOR. A Study in Evolution By C. Morris, 

 Globe 8vo. 5s. 6d. net. 



EVOLUTION OF MAMMALIAN MOLAR TEETH TO AND FROM 

 THE TRIANGULAR TYPE, including Collected and Revised 

 Researches on Trituberculy, and new Sections on the Forms 

 and Homologies of the Molar Teeth in the Different Ordkr.s 

 of Mammals. By Prof. H. F. Osborn, ScD., LL.D., D.Sc Edited 

 by W. K. Gregory, M.A. Illustrated. 8vo. 8s. 6d. net. 



CONCEALING-COLORATION IN THE ANIMAL KINGDOM. Ax 



Exposition of the Laws of Disguise through Colour and 



Pattern : being a Summary of A. H. Thayer's Discoveries. By 

 G. H. Thayer. Illustrated. Demy 4to. 31s. 6d. net. 



DARWINISM : An Exposition op the Theory of Natural Selection. 

 Illustrated. By Dr. Alfred R. Wallace, F.R.S. Extra crown 8vo. 

 7s. 6d. 



CONTRIBUTIONS TO THE THEORY OF NATURAL SELECTION, 

 AND TROPICAL NATURE : and other Essays. By Dr. Alfred 

 R. Wallace, F.R.S. Extra crown 8vo. 7s, 6d. 



THE GEOGRAPHICAL DISTRIBUTION OF ANIMALS. By Dr. 

 Alfred R. Wallace, F.R.S. Illustrated. 2 vols. Medium Svo. 

 42s. 



ISLAND LIFE. By Dr. Alfred R. Wallace, F.R.S. Illustrated. Extra 

 crown 8vo. 7s. 6d. 



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