FIGURES 2.353 AND 2.354. GUT OF A DOG EMBRYO.
FIGURES 2.355 AND 2.356. SECTIONS OF HEAD OF LAMPREY.
FIGURE 2.357. VISCERA OF A HUMAN EMBRYO.
FIGURE 2.358. RED BLOOD-CELLS.
FIGURE 2.359. VASCULAR TISSUE.
FIGURE 2.360. SECTION OF TRUNK OF A CHICK-EMBRYO.
FIGURE 2.361. MEROCYTES.
FIGURE 2.362. VASCULAR SYSTEM OF AN ANNELID.
FIGURE 2.363. HEAD OF A FISH-EMBRYO.
FIGURES 2.364 TO 2.370. THE FIVE ARTERIAL ARCHES.