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



Hertwig's General Principles of Zoology. From the Third Edition of 

 Dr. Richard Hertwig's Lehrbuch der Zoologie. Translated and 

 edited by George Wilton Field, Professor in Brown Univer- 

 sity. 226 pp. 8vo. $1.60 net. 



Howell's Dissection of fhe Dog. As a Basis for the Study of Physi- 

 ology. By W. H. Howell, Professor in the Johns Hopkins 

 University. 100 pp. Svo. $1.00 net. 



Jackman"s Nature Study for the Common Schools. (Arranged by the 

 Months.) By WlLBUR JACKMAN, of the Cook County Normal 

 School, Chicago 111. 448 pp. §1.20 net. 



Kerner & Oliver's Natural History of Plants. Translated by Prof. F. 

 W. Oliver, of University College, London. 4to. 4 parts. 

 With over 1000 illustrations and 16 colored plates. $15.00 net. 



Kingsley's Vertebrate Zoology. By Prof. J. S. Kingsley, of Tufts 

 College. Illustrated. 439 pp. Svo. $3.00 net. 



Kingsley's Elements of Comparative Zoology. 357 pp. i2mo. $1.20 net. 



Macalister's Zoology of the Invertebrate and Vertebrate Animals. By 

 Alex. Macalister. Revised by A. S. Packard. 277 pp. 

 l6mo. 80c. net. 



MacDougal's Experimental Plant Physiology. On the Basis of Oels' 

 Pflanzenphysiologische Versuche. By D. T. MacDougal, Uni- 

 versity of Minnesota, vi + 88 pp. Svo. %\.oo net. 



Macloskie's Elementary Botany. With Students' Guide to the Exam- 

 ination and Description of Plants. By George Macloskie, 

 D.Sc, LL.D. 373 pp. $1.30 «rf. 



McMurrich's Text-book of Invertebrate Morphology. By J. Playfair 

 McMuRRICH, M.A., Ph.D., Professor in the University of Cin- 

 cinnati, vii -f- 661 pp. 8vo. New Edition. (3.00 net. 



McNab's Botany. Outlines of Morphology, Physiology, and Classi- 

 fication of Plants., By William Ramsay McNab. Revised by 

 Prof. C. E. Bessey. 400 pp. i6mo. 80c. net. 



Martin's The Human Body. See American Science Series. 



*Merriam's Mammals of the Adirondack Region, Northeastern New- 

 York. Willi an Introduction treating of the Location and 

 Boundaries of the Region, its Geological History, el. . By Dr. 



C. Hart Merriam. 316 pp. 8vo. $3.50 net. 

 Newcomb & Holden's Astronomies. See American Science Series. 



Nicholson & Avery's Exercises in Chemistry. By Prof. II. H. Nichol- 

 son, University of Nebraska, and Prof. Samuel Aveky, Uni- 

 versity of Idaho. 134 pp. 60c. net. 



*Noel's Buz ; or, The Life and Adventures of a Honey Bee. By 

 Maurice Noel. 134 pp. $1.00. 



Noycs's Elements of Qualitative Analysis. By W«. A. Noyes, Pro- 

 fessor in the Rose Polytechnic Institute, 91 pp. Bvo. Soc. net. 



Packard's Entomology for Beginners. For the use <>i Young Folks, 

 Fruit-growers, Farmers, and Gardeners. By A. S. Packard. 



xvi-f-367 pp. Third Edition, Revised. $1.40 net. 

 111, 1900 



