Scientia Sinica

EXPLANATION OF PLATE V

. Photomicrograph of a section of a wound on the guinea pig’s ear. The black masses in the

lower right corner are the newly-formed pigmented epidermis. In front of it, from A to B, leucocytes are arranged along the direction of the growing epidermis and at right angle of C, the original longitudinally arranged leucocytes.

Fixative: Susa, Staining: H. E., Eyepiece: 8, Objective: & 45.

Photomicrograph showing the formation of cells in front of the growing epidermis.

Fixative: Formalin, Staining: H. E., Eyepiece: % 8, Objective: & 30. : Photomicrograph showing newly-formed young cell nuclei at the tip of the growing epidermis. Eyepiece: X 8, Objective: X 45. :

Photomicrograph of a section parallel to the cartilage plate.

Fixative: Susa, Staining: Mallory’s, Eyepiece: 8, Objective: >’ 10.