lyo SCIENCE PROGRESS 



Sleeping for Health. By Edwin F. Bowers, M.D. London : George Rout- 

 ledge & Sons, Broadway House, 68-74, Carter Lane, E.C. (Pp. vii + 

 128.) Price 2s. 6d. net. 



A philosophical little book on the fine art of sleeping, containing not only 

 much good advice on health matters for all readers, but also some amusing 

 anecdotes of the experiences of some historical characters on the subject, 

 calculated to keep one awake. 



Practical Histology. By J. N. Langley, Sc.D., LL.D., F.R.S., Professor of 

 Physiology, and formerly Lecturer on Histology in the University of 

 Cambridge. Third Edition. Cambridge : W. Heffer & Sons, 1920. 

 (Pp. viii -f 320.) Price los. 6d. net. 



A number of changes have been made in this edition, including some 

 recent improvements in methods and some alterations made to meet small 

 difficulties which have been experienced in the class-room, as shown to be 

 felt by students. The changes include a large chapter on a course of practical 

 histology for elementary students in Cambridge, and a small chapter for more 

 advanced students and assistants in preparing demonstration specimens. 



Aids to the Mathematics of Hygiene. By R. Bruce Ferguson, M.A., M.D., 

 B.C. (Cantab.), D.P.H. (Eng.), etc. Fifth Edition. London : Bailliere, 

 Tindall & Cox, 8 Henrietta Street, Covent Garden, 1919. (Pp. xii.-f- 186.) 

 Price 35. 6d. net. 



This new edition contains a valuable chapter on Energy, Exercise, and 

 Diet, which is so lucidly put that it will be of value to everyone, clinicians 

 included. There is also a note on the new method of recording barometrical 

 observations. The whole book is very well done. 



Diseases of the Heart. By Sir James Mackenzie, F.R.S., M.D., F.R.C.P., 

 Physician to the London Hospital. Third Edition. Second Impression 

 revised. London : Oxford University Press and Hodder & Stoughton, 

 1918. (Pp. xxiii -j- 502, with 264 figures.) 



The Blind : Their Condition and the Work being done for Them in the 

 United States. By Harry Best, Ph.D. New York : The Macmillan 

 Company, 1919. (Pp. xvii + 763.) Price $4. 



The Physiology of Vision, with special reference to Colour Blindness. By 

 F. W. Edridge-Green, M.D., F.R.C.S., Oculist London Pensions Board. 

 London : G. Bell & Sons, York House, Portugal Street, Kingsway, W.C.2, 

 1920. (Pp. xii -|- 280, with 23 figures, and card test for colour blindness 

 in leather case.) Price 12s. net; card test in case 25s. net. 



The Link Between the Practitioner and the Laboratory. A Guide to the 

 Practitioner in his Relations with the Pathological Laboratory. By 

 Cavendish Fletcher, M.B., B.S. (London), M.R.C.S., L.R.C.P., and Hugh 

 McLean, B.A., B.C. (Cantab.), D.P.H. (Camb.), M.R.C.S., L.R.C.P. 

 London : H. K.Lewis & Co., 1920. (Pp. 91, with 7 illustrations.) Price 

 4s. 6d. net. 



Handbook of Physiology. By W. D. Halliburton, M.D., LL.D., F.R.C.P., 

 F.R.S., Professor of Physiology, King's College, London. Fifteenth 

 Edition (being the 28th edition of Kirke's Physiology), with nearly six 

 hundred illustrations in the text, many of which are coloured, and three 

 coloured plates. (Pp. xix. -I-936.) Price 185. net. 



