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 won for McFarland's work a place in the very front of medical bacteriologies. The illustrations are the best the world affords, and are beautifully executed.

"The book is a satisfactory one, and I shall take pleasure in recommending it to the students of Trinity College."

"It is excellently adapted for the medical students and practitioners for whom it is avowedly written.... The descriptions given are accurate and readable."