Januaey 26, 1906.] 



SCIENCE. 



135 



' Muscle and Nerve,' ' Central Nervous Sys- 

 tem ' and the ' Special Senses,' prepare the 

 way for the presentation of the complex 

 nervous coordinating machinery found in the 

 digestive, the respiratory or the circulatory 

 systems, for example. The statement of the 

 details of the sensory apparatus and the 

 afferent nervous system thus early in the text 

 seems strictly logical from this point of view, 

 and it is gratifying to see an author of 

 eminence take the responsibility for the order 

 of presentation. 



The relative space allotted to the various 

 sections is good, and the subdivision of sec- 

 tions into chapters and paragraphs presents 

 an analysis that appeals to the reader as both 

 logical and exhaustive. This analysis, to- 

 gether with the printing of the paragraph 

 topics in bold-face type, lends itself to quick 

 and satisfactory use as a reference, a feature 

 particularly valuable to the advanced medical 

 student and the physician. 



The general sections presented are as fol- 

 lows : ' The Physiology of Muscle and Nerve,' 

 105 pages ; ' The Central Nervo\is System,' 

 127 pages; 'The Special Senses,' 132 pages; 

 ' The Blood and Lymph,' 53 pages ; ' The Or- 

 gans of Circulation of the Blood and Lymph,' 

 132 pages ; ' Respiration,' 68 pages ; ' Digestion 

 and Secretion,' 149 pages ; ' Nutrition and Heat 

 Production and Regulation,' 56 pages ; ' Re- 

 production,' 35 pages; and an Appendix of 13 

 pages. 



The section on ' The Physiology of the Or- 

 gans of the Circulation of the Blood and 

 Lymph,' 132 pages, has the following nine 

 chapters, each with from 7 to 15 sectional 

 topics : the Velocity and Pressure of the Blood 

 Flow, 26 pages; the Physical Factors Con- 

 cerned in the Production of Blood-pressure, 

 9 pages ; The Pulse, 8 pages ; The Heart Beat, 

 19 pages; The Cause and Sequence of the 

 Heart Beat — Properties of Heart Muscle, 16 

 pages ; The Cardiac Nerves and their Physio- 

 logical Activity, 19 pages ; and The Vasomotor 

 Supply of the Different Organs, 16 pages. 



The detail with which each chapter is treated 

 is well illustrated by the subtopics on the 

 twenty-five pages devoted to the chapter on 

 * The Cardiac Nerves and their Physiological 



Action.' These topics are : Course of the 

 Cardiac Nerves, Action of Inhibitory Fibers, 

 Analysis of Inhibitory Action, Effect of the 

 Vagus on the Auricle and the Ventricle, Es- 

 cape from Inhibition, Reflex Inhibition of the 

 Heart Beat, the Cardio-inhibitory Center, the 

 Action of Drugs on the Inhibitory Apparatus, 

 the Nature of Inhibition, Course of the Ac- 

 celerator Fibers, Tonicity of the Accelerators 

 and Reflex Acceleration, the Accelerator 

 Center. 



A notable chapter, not often found in such 

 text-books, is introduced at the end of the 

 section on the ' Central Nervous System ' on 

 the neglected subject of sleep. The sectional 

 topics of this chapter are: Introductory State- 

 ment, Physiological Relations during Sleep, 

 The Intensity of Sleep, The Effect of Sensory 

 Stimulation, Theories of Sleep, Hypnotic 

 Sleep. 



The type and press work, and especially the 

 illustrations, are good. The publishers have 

 maintained their recognized high standard of 

 mechanical excellence. By a choice of thin 

 paper the size of the volume is kept within 

 reasonable limits. However, it is to be re- 

 gretted that a book which will unquestionably 

 rank as the leading text-book of physiology 

 issued in America could not be printed on 

 light-weight linen paper. 



Chables W. Greene. 

 Univeesity of Missouri, 

 Columbia, Mo. 



Karl Heumann's Anleitung zum Experimen- 

 tieren hei Vorlesungen uber anorganischen 

 Chemie. Von Professor Dr. O. Kijhling. 

 Dritte Auflage. Braunschweig, Friedrich 

 Vieweg und Sohn. 1904. Pp. xxix + 818. 

 Price, gbd. 20 Marks. 



The first edition of this admirable work ap- 

 peared in 1876. Since then great advances 

 have been made in the subject of inorganic 

 chemistry and many of the new discoveries 

 have found an appropriate presentation in the 

 lecture room. Space has been found for the 

 presentation of this new material, partly by 

 the omission of parallel experiments previously 

 given in several forms, and by the omission of 

 methods of preparing substances which are 



