SCIENCE- ADVERTISEMENTS 



Leading Texts on Physiological Chemistry 



Practical Physiological Chemistry 



By SYDNEY W. COLE, M.A., Trinity College, Cambridge; University Lecturer in Medical Chemistry, Cam- 

 bridge; Introductions by Prof. F. G. HOPKINS, M.B., D.Sc, F.R.CP., F.R.S., Professor of Biochemistry, Fel- 

 low and Prelector of Trinity College, etc., Cambridge. 



400 pages, 5%x8'/^, illustrated with tables, charts, and 55 line cuts. Fifth revised, enlarged edi- 

 tion. Price, silk cloth binding, $4.50. 



The fifth edition has been completely revised, making practically a new book. All obsolete 

 methods have been eliminated and only tried and proven methods as outlined in the course at 

 Cambridge have been given. All the modern methods in biochemistry are given in detail. The 

 procedures are not copied from other works, but are the result of first-hand acquaintance with the 

 subject matter. The author has prepared his text at the laboratory bench, step by step — any 

 method that seems doubtful or difficult of attainment has been eliminated. While the book is 

 practical, there is reference to theory and to the actual significance of results. A valuable book 

 for the student, practitioner of medicine, research worker, for one who seeks for accurate and 

 full descriptions of biochemical researches, and for students in agricultural laboratory work, and 

 in the study of animal nutrition. 



Physiological Abstracts, August, 1919 



"This completely revised and enlarged edition of the author's well-known textbook should receive a gen- 

 eral welcome from biological chemists and physiologists It is well illustrated, and the experimental tech- 

 nique is described in an unusually clear manner." 



AN INTERMEDIATE TEXTBOOK OF 



Physiological Chemistry 



By C. J. V. PETTIBONE, Ph.D., Assistant Professor of Physiological Chemistry in the Medical School of the 

 University of Minnesota. 



328 pages, 6x9, with illustrations. Price, silk cloth binding, $3.25. 



The plan of this book is to cover as completely as possible in a brief but adequate mannerthe 

 general field of physiological chemistry, so that the student or physician may obtain a clear idea 

 of the properties of the compounds which are physiologically important — carbohydrates, fats, 

 proteins, inorganic material, of the processes of digestion, and the action of enzymes, the com- 

 position of some common foods and important tissues, the composition and analysis of the urine, 

 and lastly, a review of the present status of metabolism, including its more modern aspects.^ The 

 average physiological chemistry at present available is so large that the student or physician is 

 lost in a mass of details or conflicting evidence. The author has aimed in this volume to 

 set forth the present status of physiological chemistry as clearly and concisely as possible, in the 

 belief that a large number of people will find a book of this type useful and valuable for acquir- 

 ing or refreshing information in this important field. The appended laboratory work is arranged 

 to cover the important phases of the subject, including the quantitative analysis of the urine. 

 Now the required text in leading medical schools. 



iW^ Send for these up-to-date books today. Correspondence in regard to same 

 especially invited from teachers. 



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