Henry Holt Sr Co.'s Works on Science 



Eemer and OUver's natural History of Plants. Translated by Prof. F. 

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Klngsley's Verteljrate Zoology. By Prof. J. F. Kingsley, Tufts College. 



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Elements of Comparative Zoology. 347 pp. 12mo. 1.20 



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



Ai.EX. MACAiiiSTER. Revised by A. S. PACKARD. 277 pp. 16mo. 80c. 



maclosMe's Elementary Botany. Witb Students' Guide. By Geokgb 

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MacMillan's Plant Embryology. By Prof. Conwav .IacMillan, 

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McMnrrlcli's Text-book of Invertebrate Morphology. By Prof. J. Play- 



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Mclfab's Botany. Outlines of Morphology, Physiology, and Classifica- 

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Merriam's Mammals of tbe Adirondack Region. By Dr. C. Hart Meb- 

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nicbolson and Avery's Exercises in Cbemlstry. By Prof. H. H Nichol- 

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Hoel's Buz ; the Life and Adventures of a Honey Bee. 134 pp. Retail, 1.00 



Noyes's, (A. A.), General Principles of Pliysical Science. An Introduction 

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Noyes's (W. A.), Elements of Qualitative Analysis. By Prof. William 

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Organic Chemistry. {Sept. '08.) 



Packard's Entomology for Beginners. By A. S. Packard. xvl-l-367pp. 

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Guide to the Study of Insects, and a Treatise on those Injurious and 



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OutUnes of Comparative Embryology. Illustrated. 243 pp. 8vo. 2.50 



Peabody's Laboratory Exercises in Anatomy and Physiology. By Jas. 

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Percival's Agricultural Botany. By Prof. John Percival, South- 

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Perkins's Outlines of Electricity and Magnetism. By Prof. Cfas. A. 

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Pierce's Plant Physiology. By Prof. G. J. Pierce, Stanford Jniv. 



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