A Laboratory Manual of Invertebrate Zoölogy. By Gilman A. Drew, Ph.D., Professor of Biology at the University of Maine. With the aid of Members of the Zoölogical Staff of Instructors of the Marine Biological Laboratory, Woods Holl, Mass. 12mo of 200 pages. Cloth, $1.25 net.

RECENTLY ISSUED

The subject is presented in a logical way, and the type method of study has been followed, as this method has been the prevailing one for many years.

Prof. Allison A. Smyth, Jr., Virginia Polytechnic Institute

“I think it is the best laboratory manual of zoölogy I have yet seen. The large number of forms dealt with makes the work applicable to almost any locality.”


McFarland’s
Pathogenic Bacteria
The New (5th) Edition, Revised


A Text-Book Upon the Pathogenic Bacteria. By Joseph McFarland, M. D., Professor of Pathology and Bacteriology in the Medico-Chirurgical College of Philadelphia, Pathologist to the Medico-Chirurgical Hospital, Philadelphia, etc. Octavo volume of 647 pages, finely illustrated. Cloth, $3.50 net.