HOLT & CO.'S WORKS OX SCIENCE. 



Hertwig'? General Principles of Zoology. From the Third Edition or 

 Dr. Richard 1 lertvvig's Lehrlntck der Zoologie. Translated and 

 edited by GEORGE WILTON FIELD, Professor in Brown Univer- 

 sity. 226 pp. Svo. $1.60 net. 



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

 ology. By W. II. HONVELL, Professor in the Johns Hopkins 

 University. 100 pp. Svo. $1.00 net. 



Jackm?.n's Nature Study for the Common Schools. (Arranged by the 

 Months.) By WILBUR JACKMAN, Teacher of Natural Science, 

 Cook County Normal School, Chicago, 111. 448 pp. I2mo. 

 1.20 net. 



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

 W. OLIVER, of University College, London. 410. 4 parts. 

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



Maca!ister's Zoology of the Invertebrate and Vertebrate Animals. By 



ALEX. MACALISTEK. Revised by A. S. PACKARD. 277 pp. 

 l6mo. So cents net. 



Mac-ougal's Experimental Plant Physiology. On the Basis of Gels' 

 Pflanzenphysiologische I'ersitJie. By D. T. MACDOUGAL, Uni- 

 versity of Minnesota, vi -f- 83 pp. Svo. $1.00 net. 



Mac'oskie's E'emcntary Botany. With Students' Guide to the Exam- 

 ination and Description of Plants. By GEORGE MACLOSKIE, 

 D.Sc., LL.D. 373pp. I2mo. 81.30 net. 



McMurrich's Text-bock of Invertebrate Morphology. By J. PLAYFAIR 

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

 cinnati, vii + 661 pp. Svo. New Edition. $3.00 net. 



IWcNab'S Botany. Outlines of Morphology, Physiology, and Classi- 

 fication of Plants. By WILLIAM RAMSAY McNAB. Revised by 

 Prof. C. E. BESSEY. 400 pp. i6mo. Soc. net. 



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



*IVIerriam's Mammals of the Adirondack Region, Northeastern New 

 York. With an Introductory Chapter treating cf the Location 

 and Boundaries of the Region, its Geological History, Topogra- 

 phy, Climate, General Features, Botany, and Faunal Position. 

 By Dr. C. HART MERRIAM. 316 pp. Svo. $3.50 net. 



Nswccmb & Hc'den's Astronomies. See American Science Series. 



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

 MAURICE NOEL. 134 pp. i2mo. fci.oo. 



Noyes's Elements of Qualitative Analysis. By WM. A. NOYES, Pro- 

 fessor in the Rose Polytechnic Institute. 91 pp. Svo. 8oc.net. 



Packard's Entomolory for Beginners. For the use of Young Folks, 

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

 xvi -f- 367 pp. i2mo. Third Edition, Revised. $1.40 net. 



Postage 8 per cent additional on net books. Descriptive list free. 



