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SCIENCE 



New Series TT-pTnAv A TiriTTOT 10 1Q17 Single Copies, 15 Cts. 

 VOL .XLVI. No. 1180 JRIDAY, AUGUST lU, i«i < Akkual Subscbiftion. 8 5.00 



New Books for August 



ROBBINS— THE BOTANY OF CROP PLANTS 



By W. W. RoBBiNS, Professor of Botany, Colorado Agricultural College and Ex- 

 periment Station. 



A textbook intended for use of students in agricultural schools. Containing num- 

 erous illustrations, keys, maps and tables. 



HARSHBERGER— TEXTBOOK OF MYCOLOGY 

 AND PLANT PATHOLOGY 



By John W. Harshbeeger, Ph.D., 'Professor of Botany, University of Pennsylvania, 

 Vice-President of the Ecological Society of America, etc. 



This book is the outcome of twenty-five j-ears' experience as teacher of botany, 

 fifteen years having been given to a graduate course on morphology, classification 

 and physiology of fungi, and five years to a course combining with this considera- 

 tion a parallel study of the most important cultural and inoculation methods used 

 by the practical bacteriologist and mycologist of to-day. It includes Mycology, 

 General and Special Plant Patholcg}-, Appendices with Keys for Classification, and 

 other useful material. With 271 Illustrations. Svo. 



RODDY— MEDICAL^ BACTERIOLOGY 



By John A. Eoddt, M.D., Associate in Hygiene and Bacteriology, Jefferson Medi- 

 cal College, Philadelphia, etc. 



The application of bacteriology to the solution of many important problems in 

 medicine, veterinary surgerj', agriculture and industry has created a demand that 

 some knowledge of this science be possessed by those engaged in diverse occupations. 

 The author, being cognizant of the needs of students, practitioners, pharmacists, 

 and those engaged in foodstuff, industries has presented in the clearest form, a text- 

 book for beginners and laboratory guide for practitioners and pharmacists. 



STITT— TROPICAL DISEASES, DIAGNOSTICS AND 

 TREATMENT 



2d Edition Revised and Enlarged. By E. R. Stitt, A.B., Ph.G., M.D., Medical 

 Director, U. S. Navy, Commanding Officer and Head of Department of Tropical 

 Medicine, U. S. Naval Medical School. 



The author has added a considerable amount of new material in this edition — more 

 than one hundred pages. The di\nsion of subjects and method of presenting im- 

 portant facts in a concise and readily accessible' manner has met with great favor 

 and the plan is adhered to in this edition. With 117 Illustrations, 12mo. 534 

 pages. Cloth, S2.00 Postpaid. 



P. BLAKISTON'S SON & CO., Publishers 



PHILADELPHIA 



