WORKS OF KINDRED INTEREST. 



A TREATISE ON EMBRYOLOGY. Edited by Walter Heape 

 F.R.S. Illustrated. Medium 8vo. 



Vol. I. INVERTEBRATA. By Prof. E. W. MacBride, F.R.S. 



[/n the press. 



THE CELL IN DEVELOPMENT AND INHERITANCE. By 

 Edmund B. Wilson, LL.D. Second edition. 15s. net. 



THE DYNAMICS OF LIVING MATTER. By Prof. Jacques 

 LOEB. I2S. 6d. net. 



EXPERIMENTAL MORPHOLOGY. By Charles Benedict 

 Davenport, Ph.D. 8vo. 15s. net. Part I. EFFECTS OF 

 CHEMICAL AND PHYSICAL AGENTS ON PROTOPLASM. 

 9s. net. 



ELEMENTS OF ZOOLOGY. By Prof. C. B. DavenpOrt, Ph.D., 

 and Gertrude C. Davenport. Illustrated. Cr. 8vo. 5s. 6d. net. 



THE DEVELOPMENT OF THE FROG'S EGG. An Introduction 

 to Experimental Embryology. By Thomas Hunt Morgan, Ph.D., 

 Professor of Biology, Bryn Mawr College. 8vo. 7s. net. 



EVOLUTION AND ADAPTATION. By Prof. T. H. Morgan. 

 8vo. I2S. 6d. net. 



EVOLUTION OF MAMMALIAN MOLAR TEETH TO AND 

 FROM THE TRIANGULAR TYPE. By Prof. Henry F. Osborn. 

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



DARWINISM : AN EXPOSITION OF THE THEORY OF 

 NATURAL SELECTION. By Dr. Alfred R. Wallace. Illus- 

 trated. Third edition. Cr. 8vo. 7s. 6d. 



CONTRIBUTIONS TO THE THEORY OF NATURAL SELEC- 

 TION, AND TROPICAL NATURE, AND OTHER ESSAYS 

 ON DESCRIPTIVE AND THEORETICAL BIOLOGY. By Dr. 

 A. R. Wallace. New edition. Cr. 8vo. 7s. 6d. 



THE GEOGRAPHICAL DISTRIBUTION OF ANIM.ALS. With 

 a Study of the relations of living and extinct faunas as elucidating the 

 past changes ofthe earth's surface. By Dr. A. R. Wallace. Illustrated. 

 Two vols. 8vo. 42s. 



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