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SCIENCE 



Nbw Sebibs 



Vou XLIX, No. 1274 



Friday, May 30, 1919 



SnioLE Copies, 16 Ois, 

 AnmAL SCB3CBIPTI0K, tO-Ot 



Jordan's General Bacteriology 



Fred's Soil Bacteriology 



SIXTH EDITION 



In this work there are extensive chapters on methods of studying bacteria, including 

 staining, biochemical tests, cultures, etc.; on development and composition of bacteria; 

 on enzymes and fermentation products; on the bacterial production of pigment, acid, 

 and alkali; and on ptomains and toxins. 



Octavo of 691 pages, illustrated. By Edwin O, Jordan. Ph.D., Trofessor of Bacteriologry in the Uni- 

 versity of Chicago. Cloth. ii-7S net. 



FOR STUDENT 

 AND TEACHER 



The exercises described in this book are arranged primarilj- for students of soil bac- 

 teriology, soil chemistry and physics, and plant pathology. As far as possible the ex- 

 periments are planned to give giiantitative results. It is truly a valuable laboratory 

 manual — worked out by a teacher and based on the student's needs. 



12mo of 170 paees, illustrated. By E. B. Fred. Ph.D., Associate Professor of Agricultural Bacteriology. 

 College of Agriculture. University of Wisconsin. Cloth, $1.25 uet. 



Buchanan and Murray's Veterinary Bacteriology 



This second edition goes minutely into the consideration of immunity, opsonic index, 

 reproduction, sterilization, antiseptics, biochemic tests, culture, media, isolation of cul- 

 tures, the manufacture,of the^various toxins, antitoxins, tuberculins, and vaccines. 



Octavo of 590 pages, illustrated. By Robbrt E. Bcchanan, PhD., Professor of Bacteriology, and 

 Charles Murray. B.Sc-. D-V.M«, Associate Professor of Veterinary Bacteriology. Iowa State College of 

 Agriculture and Mechanic Arts. Cloth, $3..50 net. 



McFarland's Bacteria and Protozoa EorrioN 



This bacteriology brings each micro-organism into a historic, geographic, biologic, and 

 pathologic setting. It dwells upon the anatomic and physiologic disturbances referable 

 to the various micro-organisms. It explains such methods of diagnosis and treatment 

 as grow out of a knowledge of microbiology. 



Octavo of 878 pages, illustrated. By Joseph .McFarland, M.D. Professor of Pathology and Bacteriology 

 n the tjniversity of Pennsylvania. Cloth, J4.00 net. 



SECOND 

 EDITION 



Dr. Eyre gives clearly the technic for the bacteriologic examination of water, sewage, 

 air, soil, milk and its products, meats, etc. It is a work of much value in the laboratory. 

 The illustrations are practical and serve well to clarify the text. The book has been 

 greatly enlarged. 



Eyre's Bacteriologic Technic 



r^zUu 



W. B. SAUNDERS COMPANY Philadelphia and London 



