HENRY HOLT &= CO.' S WORKS ON SCIENCE. 



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

 Allen, Instructor in the New Bedford, Mass., Higli Scliool. 

 Pupils' Edition: x + 209 pp. i2mo. 80c. net. Teachers' 

 Edition : $i.oo 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 Lalce Forest University, xi -j- 256 pp. i2mo. $i.2o net. 



Barker's Physics. See American Science Series. 



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

 W. J. Beat,, Professor in tlie Michigan Agricultural College. 

 8vo. Copiously illustrated. 2 vols. Vol. I. , 457 pp. %'i.%onet. 

 Vol. II., 707 pp. S5.00 net. 



Bessey's Botanies. See American Science Series. 



Black and Carter's Natural History Lessons. By Georce Ashton 

 Bl.'Vck, Ph.D., and Kathleen Carter. (For very young 

 pupils.) .X -|- gS pp. i2mo. 50c. net. 



Bumpus's Laboratory Course In Invertebrate Zoology. By IIermon C. 

 BuMTUS, Professor in Brown University, Instructor :it the Ma- 

 rine Biological Laboratory, Wood's HoU, Mass. Revised, vi -J- 

 157 PP- i2mo. $1.00 net. 



Cairns's Quantitative 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, Ciiamplin, Jr., 

 Editor of Chanipluf s )'ouu;^ Telks' CyeIopadi<is. Illustrated, 

 vi + 236 pp. i6mo. 4SC. 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 naturlichen 

 Pllanzcnfamilien " by F. Lamson-Scribner and Effie A, 

 Southworth. V + 22S pp. Svo. $1.50. 



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

 with quantitative work for pupils and lecture-table experiments 

 for teachers. By Edwin 11. Hall, Assistant Professor in Har- 

 vard College, viii -j- 120 p{). i2mo. 65c. }iet. 



Hall and Bergen's Text-book of Physics. By Edwin II. Hall, 

 Assistant Professor of Physics in Harvard College, and 

 Joseph Y. Bergen, Jr., Junior Master in the English High 

 School, Boston, xviii -f- 38S pp. i2mo. $1.25 net. 



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