BOOKS ON NATURAL HISTORY, ETC. 



CLAITS. — Elementary Text-Book of Zoology. By Dr. C. Claus. Trans- 

 lated and edited by Adam Sedgwick, M.A., with the assistance of F. G. 

 Heathcote, B.A. Part I., General Part and Special Part: Protozoa to 

 Insecta. Part II., Special Part : Mollusca to Man. With 706 Woodcuts. 

 2 vols. 8vo. $8.00. 



ECKER. — The Anatomy of the Frog. By Alexander Ecker. Translated 

 with numerous Annotations and Additions, by G. Haslam, M.D., and 

 illustrated with 250 Wood Engravings and 11 Coloured Figures. 8vo. 



^^5.25. 



EIMER. — Organic Evolution as the Result of the Inheritance of Ac- 

 quired Characters, according to the Laws of Organic Growth. 



By Dr. G. H. Theodor Eimer, Professor of Zoology and Comparative 

 Anatomy in Tubingen. Translated by T. J. Cunningham, M. A., F.R.S.E., 

 late Fellow of University College, Oxford. Part I., with 6 Figures in the Text. 

 8vo. ^3.25. 



FLOWER. — Mammals, Living and Extinct. By William Henry Flower, 

 C.B., F.R.S., D.C.L., Director of the Natural History Departments, British 

 Museum, and Richard Lydecker, B.A. 8vo. Cloth. Illustrated with 357 

 Figures. $6.00. 



FOWLER (A- Warde). — Tales of the Birds. With Illustrations. New and 

 cheaper Edition. $1.25. 

 A Year with the Birds. With Illustrations. $1.25. 



GUNTHER (Albert C. L. G.). — An Introduction to the Study of Fishes. 

 With Index. Illustrated with 320 Wood Engravings. Svo. $6.cx). 



HERTWIG (O.). — Text-book of the Embryology of Man and Mammals. 

 By Dr. Oscar Hertwig. Translated from the Third German Edition by 

 Edward L. Mark, Hersey Professor of Anatomy in Harvard University. 

 With 330 Figures in the Text and two Lithographic Plates. Svo. ^5.25. 

 The Cell : its Anatomy and Physiology. By Dr. Oscar Hertwig, Professor in 

 the University of Berlin. Translated by Henry Johnstone Campbell, M.D. 

 With 168 Illustrations. In the Press. 



HUXLET and MARTIN. — A Course of Elementary Instruction in 

 Practical Biology. By T. H. Huxley, LL.D., F.R.S., assisted by H. N. 

 Martin, M.A., M.D., D.Sc, F.R.S. Revised Edition, Extended, and Edited 

 by G. B. Howes and D. H. Scott. With a Preface by Professor Huxley. 

 i2mo. ^2.60. 



KIRB7 (W. F.). — Elementary Text-Book of Entomology. 2d Edition, 

 Revised. With 87 Plates. 8vo. % 3.00. 



LANG. — Text-Book of Comparative Anatomy. By Dr. Arnold Lang, 

 Professor of Zoology in the University of Zurich; Formerly Ritter Professor 

 of Phylogeny in the University of Jena. With a Preface to the English 

 Translation by Professor Dr. Ernst Haeckel, F.R.S., Director of the Zoo- 

 logical Institute in Jena. Translated into English by Henry M. Bernard., 



