HENRY HOLT <5r CO.' S WORKS ON SCIENCE. 



Allen's Laboratory Exercises in Elementary Physics. By CHARLES R. 

 ALLEN, Instructor in the New Bedford, Mass., High School. 

 Ptipils' Edition: x -f- 209 pp. I2mo. 8oc. net. Teachers' 

 Edition : $1.00 net. 



Arthur, Barnes, and Coulter's Handbook of Plant Dissection. By J. C. 



ARTHUR. Professor in Purdue University, C. R. BARNES, Pro- 

 fessor in University of Wisconsin, and JOHN M. COULTER, Presi- 

 dent of Lake Forest University, xi -f- 256 pp. I2mo. $1.20 net. 



Barker's Physics. See American Science Series. 



Seal's Grasses of North America. For Farmers and Students. By 

 W. J. BEAL, Professor in the Michigan Agricultural College. 

 Svo. Copiously illustrated. 2 vols. Vol. I., 457 pp. $2.50;?^. 

 Vol. II., 707 pp. 85.00 net. 



Bessey's Botanies. See American Science Series. 



Black and Carter's Natural History Lessons. By GEORGE ASHTON 

 BLACK, Ph.D., and KATHLEEN CARTER. (For very young 

 pupils.) x -\- 98 pp. I2mo. 5oc. net. 



Bumpus's Laboratory Course in Invertebrate Zoology. By HERMON C. 

 BUMPUS, Professor in Brown University, Instructor at the Ma- 

 rine Biological Laboratory, Wood's Holl, Mass. Revised, vi -j- 

 157 pp. I2mo. $1.00 net. 



Cairns's Quantitat've Chemical Analysis. By FREDERICK A. CAIRNS. 

 Revised and edited by Dr. E. WALLER. 417 pp. Svo. $2.00 

 net. 



Champlin's Young Folks' Astronomy. By JOHN D. CHAMPLIN, Jr., 

 Editor of Champlins Young Folks' Cyclopedias. Illustrated, 

 vi -f- 236 pp. i6mo. 48c. net. 



Crozier's Dictionary of Botanical Terms. By A. A. CROZIER. 202 pp. 

 Svo. $2.40 net. 



Hackel's The True Grasses. Translated from "Die natiirlichen 

 Pflanzenfamilien " by F. LAMSON-SCRIBNER and EFFIE A. 



SOUTHWORTH. V -j- 228 pp. Svo. $I-5O. 



Hall's First Lessons in Experimental Physics. For young beginners, 

 with quantitative work for pupils and lecture-table experiments 

 for teachers. By EDWIN H. HALL, Assistant Professor in Har- 

 vard College, viii -f- 120 pp. I2mo. 65c. net. 



Hall and Bergen's Text-book of Physics. By EDWIN H. HALL, 

 Assistant Professor of Physics in Harvard College, and 

 JOSEPH Y. BERGEN, Jr., Junior Master in the English High 

 School, Boston, xviii + 388 pp. i2mo. $1.25 net. 



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