orough
training in the subject, a training such as would be of
daily help in your practice. For this edition every page has
been gone over most carefully, correcting, omitting the
obsolete, and adding the new. Some sections have been
entirely rewritten. You will find it a book well worth
consulting, for it is the work of an authority.

~St. Paul Medical Journal~

"It is safe to say that there are few who are better
qualified to give a resume of the modern views on this
subject than McFarland. The subject-matter is thoroughly up
to date."

~Boston Medical and Surgical Journal~

"It contains a great mass of well-classified facts. One of
the best sections is that on the special pathology of the
blood."

* * * * *

McFarland's Biology: Medical and General

~Biology: Medical and General~--By JOSEPH MCFARLAND, M. D., Professor of
Pathology and Bacteriology in the Medico-Chirurgical College of Phila.
12mo, 457 pages, 160 illustrations. Cloth, $1.75 net.

~JUST READY--NEW (2d) EDITION~

This work is both a _general_ and _medical_ biology. The
former because it discusses the peculiar nature and
reactions of living substance generally; the latter because
particular emphasis is laid on those subjects of special
interest and value in the study and practice of medicine.
The illustrations will be found of great assistance.

~Frederic P. Gorham, A. M.~, _Brown University_.

"I am greatly pleased with it. Perhaps the highest praise
which I can give the book is to say that it more nearly
approaches the course I am now giving in general biology
than any other work."

McFarland's Pathogenic Bacteria and Protozoa

~Pathogenic Bacteria and Protozoa.~ By JOSEPH MCFARLAND, M. D., Professor
of Pathology and Bacteriology in the Medico-Chirurgical College of
Philadelphia. Octavo of 878 pages, finely illustrated. Cloth, $3.50 net.

~NEW (7th) EDITION, ENLARGED~

Dr. McFarland has subjected his book to a most vigorous
revision, bringing this edition right down to the minute.
Important new additions have increased it in size some 180
pages. By far the most important addition is the inclusion
of an entirely new section on _Pathogenic Protozoa_. This
section considers every protozoan pathogenic to man; and in
that same clean-cut, definite way that w