FORMULA.-Listerine is the essential antiseptic constituent of Thyme, Eucalyptus Baptisia, Gaultheria, and Mentha, Arvensis, in combination. Each fluid drachm also contains two grains of refined and purified Benzo-boracic Acid.

DOSE. INTERNALLY: One teaspoonful three or more times a day (as indicated), either full strength or diluted, as necessary for varied conditions.

LISTERINE is a well-proven antiseptic agent - an antizymotic-especially useful in the management of catarrhal conditions of the mucous membrane; adapted to internal use, and to make and maintain surgical cleanliness-asepsis-in the treatment of all parts of the human body, whether by spray, irrigation, atomization, or simple local application, and therefore characterized by its particular adaptability to the field of

PREVENTIVE MEDICINE-INDIVIDUAL PROPHYLAXIS.

LISTERINE

Destroys promptly all odors emanating from diseased gums and teeth, and will be found of great value when taken internally, in teaspoonful doses, to control the fermentative eructations of dyspepsia, and to disinfect the mouth, throat, and stomach. It is a perfect tooth and mouth wash, indispensable for the dental toilet.

Descriptive Literature upon Request.

LAMBERT PHARMACAL CO., ST. LOUIS, MO.

EYE GLASSES, LENSES, and a Large Variety of

For Bacteriological work we offer a complete series of microscope stands, objectives, and accessories.

Latest addition to our list, and highly recommended by leading American Bacteriologists, viz:—

Medium Continental Stand, with rack and pinion coarse adjustment, micrometer screw fine adjustment; Eyepieces, A (2 inch), and C (1 inch); Objectives inch 28°, inch 116°, and inch H. I. 1.25 N. A.; Substage Condenser, No. 1015 (N. A. 1.42) in mounting with iris diaphragm. $120.