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whereby his interest and originality may be developed. The teaching of generalizations remote .ii.(,il> tile 1)iipil‘s cysperieiice atid of theories without immediate applicability to his store of knowledge must not be allowed to consume the time needed for a thorough training in tlie directions just mentioned. To the author’s plea for closer coordination between the chemical instruction in colleges ant1 that i n high schools, and t o his contention that the attempt is made to cover too much ground in thc (miirse o i tlie lntter, the !iic)>t cot-tlial eiidorscliie!!t may lie given. A . A. NOYES. PRAKTISCHE uB[JNGEN ZUR
NEW BOOKS. E I N F ~ ~ H R IUN KDIE G
CHEMIE.
VOX
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SMITH.Nach einer rom Verfasser besorgten Umarheitung der zweiten amerikanischen h u f l a g e ins cleutsche Ubertrageii r o i i PROF. Dx. E’. H A B R Rnut1 I)R. &I. STOJ3CICI:II. Karlsrulie. Ilruck u i i d \;erlag tler ( > , !?r:+uiisclien1Iofl~ucliil~i:c.I;i.I-el. I.:XANDER
This excellent laboratory manual, which is well known in this country, has been distinguished by translation into German. The translators in their preface point out that experimental courses for beginners, of a cliaractcr outlined in this manual, a r e but little used ii; Germany, and that i n this particular respect chemistry is much better developed on the didactic side in America than el
