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

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



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Univ. xi + 256 pp. $1.20, net. 

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

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Bessey's Botanies. See American Science Series. 



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



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



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

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

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

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

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



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

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

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

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

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