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



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

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

 Pupil's Edition : x-)- 209 pp. i2mo. ioc, net. Teachers' Edi- 

 tion ; f i.oo, net, 



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



Arthur, Professor in Purdue Univ., C. R. Barnes, Professor 

 in Uinv. of Wisconsin, and John M. Coulter, President of 

 Lake Forest University, xi + 256 pp. i2mo. $1.20, net. 



Atkinson's Elementary Botany. By Geo. F. Atkinson, Professor in 

 Cornell. For beginners. Fully illustrated. xxiii + 44i PP- 

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Barker's Physics. See American Science Series. 



Barnes' Plant Life. By C. R. Barnes, Professor in University of 

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

 Prof. W. J. Beal, of Mich. Agricultural College. Copiously 

 Ill'd. 8vo. Vol. I., 437 pp. $2.50, net. Vol. II., 707 pp. $S,net. 



Bessey's Botanies. See American Science Series. 



Black and Carter's Natural History Lessons. By Geo. A. Black, and 

 Kathleen Carter. (For the very young.) 98 pp. 50c., net. 



Britton's Manual of the Flora of the Northern States and Canada. By 



Prof. N. L. Britton, Director of N. Y. Botanical Garden. 



Bumpus's Laboratory Course in Invertebrate Zoology. By H. C. Bumfus, 

 Professor in Brown University. Revised. 157 pp. |i, net. 



Cairns's 'Quantitative Chemical Analysis. By Fred' k A. Cairns. Re' 

 vised and edited by Dr. E. Waller. 417 pp. 8vo. $2, net. 



Champlin's Young Folks' Astronomy. By John D. Champlin, Jr., 

 Editor of Chamflin' s Young Folks' Cyclop/edias. Illustrated, 

 vi -|- 236 pp. i6mo. 48c., net. 



Congdon's Qualitative Analysis. By Ernest A. Congdon, Professor 

 in Diexel Institute. 64 pp. Interleaved. 8vo. 6oc., net. 



Crozier's Dictionary of Botanical Terms. 202 pp. 8vo. $2.40, net. 



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

 Pflanzenfamilien " by F. Lamson-Scribner and Effie A. 

 Southworth. V + 228 pp. 8vo. I1.50. 



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 + 120 pp. i2mo. 65c., net. 



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

 ant Professor of Physics in Harvard College, and Joseph Y. 

 Bergen, Jr., Junior Master in the English High School, Bos- 

 ton. Greatly enlarged edition. 596 pp. i2rao. I1.25, «cA 



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