FIG. 27. SQUAMOUS EPITHELIAL CELLS, FROM THE

MOUTH.

FIG. 28. COLUMNAR EPITHELIUM, FROM BRONCHUS.

FIG. 29. A B. SPHEROIDAL EPITHELIAL CELLS, FROM A SECRETING GLAND.

FIG. 30. EDOTHELIUM, FROM PERITONEUM.

FIG. 31. CILIATED COLUMNAR EPITHELIAL CELLS.

PLATE VIII.

FIG. 32. SPECIMEN OF BLOOD, WITH A SINGLE GRANULAR COLOURLESS CORPUSCLE.

FIG. 33. BLOOD CORPUSCLES OF VARIOUS ANIMALS (AFTER GULLIVER).