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New Series 



Vol. LV, No. 1414 



J'ridat, February 3, 1922 



Single Copies, 15 Cts. 

 Annual Subsckiption, $0.00 



Head's Modern Dentistry EDirim 



Dr. Head's book gives the principles upon wliich successful work must be based^the technic 

 in full, and the results of original experiments, with formulas, instruments, and methods. It 

 brings out clearly the various factors which influence the diagnosis, and carefully details 

 the processes of treatment. 



By Joseph He.vd, M. D.. D. D. S.. Dcntisl lo the JefTovson Hospital, Philadelphia. Octavo of 382 pages, will. 315 illus- 

 trations. Cloth, S6.0Q net. 



Head's Every-day Mouth Hygiene 



This book tells how to prevent and help correct any pyorrheal condition. It shows, the proper 

 kind of a tooth-brush to use and how to use it. It gives definite information that will pre- 

 vent pyorrhea and receding gums. . 



By Joseph Head, M. D., D. D. S. Cloth, Sl.OO net. 



Sisson's Anatomy of Domestic Animals EomoN 



The entire book is based on Dr. Sisson's personal -ivork and is strikingly accurate. There are 

 725 illustrations, very many of them full-page cuts, and nearly lOO in eolors. In practically 

 every case the parts arc nmrkcd directly on the illustrations, or fully detailed in legends. 



By Septimus Sisson, S. B., V. S., Prolessor of Comparative ."Inaioniy in Ohio Slate University. Octavo of 930 pages, with 

 725 illustrations, many in colors. Cloth, S12.00 net. 



Smith's Bacterial Diseases of Plants 



This book is the result cf thirty-five years of reading and diligent laboratory and field in- 

 vestigation. It is largely the product of a single laboratory, eight of the organisms here 

 selected for special study having been named by the author. 



By Erwin F. Smith, in charge of Lahoralory of Plant Patholocy, Bureau of Plant Industry, Washington. D. C. Octavo 

 of StS pages, illustrated. • Cloth, SIO.OO net. 



Wlietzel's History of Piiytopatlioiogy 



Professor Whetzel divides his subject into five Eras, and these in turn into Periods. He 

 gives a general survey of each Era and each Period, crystallizes the evolutionary movement 

 of each, gives interesting biographic sketches of the predominant figures, frequently including 

 portraits. 



12mo of 130 pages. By HEaBERT Rice Whetzei, Professor of Pbnt Pathology at Cornell University, Ithaca, New York. 



Cloth, S2.00 net. 



Heineman on Milk 



This work discusses milk from the viewpoint of the sanitarian, producer, and physician. 

 There are chapters on the physiology of lactation, chemical, physical, and bacteriologic ex- 

 aminations, contamination, fermented milks, pasteurization, certified milk, economic aspect 

 of production and distribution, etc. 



By Paul G. Heineman, M. D., Wisconsin. Octavo of 684 pages, illustrated. Cloth, 87.00 net. 

 SIGN AND MAIL THIS ORDER FORM TODAY ___ 



W. B. SAUNDERS COMPANY, West Washington Sq., Phila. 



Please send me the books checked (V) and charge to my account: — 



Head's Modern Dentistry S6.00 net. 



Head's Mouth Hygiene Sl.OO net. 



Sisson's Anatomy of Domestic Animals S12.00 net. 



Bacterial Diseases of Plaiits SIO.QO ne 



His'ory of Phytopathology S2.00 ne 



I's Milk S7.00 ne 



