882
NEW BOOKS.
directions are given for the ordinar!, routine manipulations. hut stress is laid on the special points which come up in Ivater analysis. H e r e the book is full enough for all needs, but its most valuable feature is the discussion of the conclusioiis which may be drawn from tl?e results of bacterial tests. This is, of courye, t h e most difficult part of the whole problem and it must be said that the authcrs deserve credit for the conserI.ati\-e manner in Ivhicli the\discuss questions still i n dispute. J. 13. I,os(;. THE AMERICAS I'E.4R-BOOK O F hlEDICIXE A S D SURGERY FOR 1904. Y O l ume I. IncluAing general medicine. Octavo, 673 pages. Philadelphia, New York, and London : W. B. Saunders E\: Co. 1904. Cloth, $3.00 per volume.
I n former years attei?!io!! h a s been called to this valuable cmipilation, which is under the general editorial charge of Dr. George 11.Goulcl. T h e revie\vs of worli in physiological chemistry, preparec! h y Dr. \\'alter Tones and Dr. Reid H:int, of Baltimore. and those in legal medicine by Dr. John \Tarshall a.ud Dr. J. H. 11. Rhein, of Philadelphia, will he found rif most intercst to chemists. Rut several of ilie other departments treated will also be found of interest in \.ie\\. of tlie increasing influence of cliemistr!. on tliz discussions of internal niedioine. The Ehrlich "side-chain theory" is a good illustration. 1Iuc11 of the matter in the section on physio l o y ~is, larpel!- chemical. J. H.T,osr, THE VEGETABLE ALKALOIDS,\VITH PARTICULAR REFERENCETO THEIR CHEXICALCONSTITUTION.BY DR. Anit7 PICTET,Professor in the University of Geneva. From the second French edition. Rendered into English, revised and enlarged, with the author's sanction, by H. C. BIDDLE, PH.D., Instructor in the Dniversity of California. Kew York : John Wiley & Sons. 1904. vi A- joj pp. Price, $s.oo. ,1
11iis little book, jyritten by Pictet, has been niuch in u s e on tlie Continent, avcl lias become I~:nC\vn ever>.\vherc to those giving attenti.on to tlie cliemistr!, of the alkaloitls. It lias stood almost alcne p.5 a brief summary of tlie constitution of vegetable alkaloids, separate from other matter. T h e second edition by the author, "La Constitution cliimique des Xlcaloides ++taus." i n 421 p q e s , appeared i n 1897, and is the edition that D r . Biddle has "rendered into English, revised and enlarged." as statetl on the title-page. '.\vi t 11 the a 11t 11or's sa n c t io 11. ' '
