Manual of Bacteriology

shank a debt of gratitude, not only for the clear and admirable treatment of the subject which he has presented to them, but also for the elaborate and necessarily expensive illustrations. As regards Photography of Bacteria, we doubt whether the very moderate price charged for the book will cover the primary expense in producing it; the work must be, in some degree at least, looked upon as a free gift to the profession. The Manual of Bacteriology is essentially a second edition of