SCIENCE TEXT BOOKS 



PUBLISHED BY 



HENRY HOLT & Co. 



ASTRONOMY. 



BALL'S ASTRONOMY. By R. S. BALL, LL.D., F.R.S., 

 Astronomer Royal for Ireland. Specially revised by SIMON 

 NEWCOMB. LL.D., Professor of Mathematics, U. S. Navy. 

 l6mo. 60 cents. 



CHAMPLIN'S (JOHN D.) THE YOUNG FOLKS' AS- 

 TRONOMY. Very simple and elementary. i6mo. Illustrated. 

 60 cents. 



NEWCOMB AND HOLDEN'S ASTRONOMY FOR 

 SCHOOLS AND COLLEGES. By SIMON NEWCOMB, 

 LL.D., Professor of Mathematics, U. S. Navy, and EDWARD S. 

 HOLDEN, M.A., Director of the Washburn Observatory, University 

 of Wisconsin. With numerous illustrations. Third edition, re- 

 vised and partly rewritten. Large I2mo. (American Science 

 Series). $2.50. 



THE SAME. BRIEFER COURSE. i2mo. $1.40. 



BOTANY. 



BESSEY'S BOTANY. For Students and General Readers. By 



C. E. BESSKY, Professor of Botany in the Iowa Agricultural 



College. With over 500 illustrations. Large i2mo (American 

 Science Series). $2.75. 



THE SAME. BRIEFER COURSE. i2mo. $1.35. 



KOEHLER'S PRACTICAL BOTANY. Structural and Syste- 

 matic. The latter portion being an analytical key to the wild- 

 flowering Plants, Trees, Shrubs, &c. ; Ordinary Herbs, Sedges and 

 Grasses of the Northern and Middle Uniti-d States, East of the 

 Mississippi. By AUGUST KOEHLER, M.D., Professor of Botany in 

 the College of Pharmacy of the City of New York. With numerous 

 illustrations by the author. Large I2mo. $2.50. 



MACLOSKIE'S ELEMENTARY BOTANY. With Student's 

 Guide to the Examination and Description of Plants. By GEORGE 

 MACLOSKIE, D.Sc., LL.D., Professor in Princeton College, N. J. 

 I2mo. $1.60. 



McNAB'S BOTANY. Outlines of Morphology, Physiology, and 

 Classification of Plants. By WM. RAMSAY McNAB, Professor of 

 Botany in Royal College of Science for Ireland. Revised for 

 American Students by Prof. C. E. BKSSEY. i6mo f I.OQ. 



