SCIENCE 



New Skeibs FrTDAV OrTORTTR 1 2 1Q17 Sinqlb Copies, 15Cts. 



VouXLVI. N0.1189 FRIDAY, OCTOBER i^, iyi< Annual Subsoeiption, $5.M 



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For Every Library /<-<^ 



Gould's Medical Dictionary 



(The Practitioner's) Words Used in Allied Sciences 



Containing all the words and phrases generally used in medicine and allied 

 sciences, with their proper pronunciation, derivation and definition. Many thous- 

 ands of new words are included in this edition, but in order to keep the volume 

 convenient in size and light in weight, as a handy reference book should be, a thin 

 opaque paper has been manufactured so that it was possible to include all the 

 new words without increasing size of the book. 



3d Edition. Entirely Reset from New Type. Revised and Enlarged by R. 

 J. E. Scott, M.A., B.C.L., M.D. The work contains over 70,000 terms, 962 pp. 

 and weighs only 2^ lbs. Bound in Handsome Flexible Cloth, Marbled Edges, 

 Round Corners, ^2.75 ; with Thumb Index, $3.25. Also Beautiful Flexible 

 Leather, Marbled Edges, Round Corners, $4.00 ; with Thumb Index, $4.50. 

 Postpaid. 



Harshberger — 



Textbook of Mycology and Plant Pathology 



By John William Harshberger, Professor of Botany, University of Penn- 

 sylvania. The essential features of all the important theories and investigations 

 are stated succinctly. Here and there the author reaches over into borderland 

 subjects and picks out matter in related fields which is interesting and valuable 

 pedagogically. It includes complete and accurate citations from the world's 

 literature and many interesting facts from the author's intimate knowledge of the 

 historical developments of the science in America. He gives first hand many facts 

 that are but httle known. 271 Illustrations, xiii+779 pp. Cloth $3.00 Postpaid. 



Robbins— The Botany of Crop Plants 



A Text and Reference Book by Wilfred W. Robbins, Professor of Botany, 

 Colorado Agricultural College. It will give the student a knowledge of the botany 

 of common orchard, garden and field crops. Most of the material has been used 

 in mimeographed form as a text from which to make assignments and reference 

 guide in the laboratory. 263 Illustrations, izmo, xix+681 Pages. Cloth, $2.00. 



P. BLAKISTON'S SON & CO., Publishers 



1012 Walnut Street, Philadelphia 



