Scientia Sinica

i)

EXPLANATION OF PLATE VII

Photomicrograph showing how the leucocytes pass through the cartilage.

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

Magnified photomicrograph of a portion of the above figure.

Eyepiece: X 8, Objective: 45.

Photomicrograph of a specimen taken 72 hours after a wound was made. A, a large cell undergoing mitosis ocassionally found in the early stage of the growing epidermis.

Eyepiece: > 8, Objective: X 30.

Photomicrograph of a specimen taken 181 hours after a wound was made, showing the develops ment of the connective tissues after the epidermis has healed.

Eyepiece: 8, Objective: X 10.