FIGURE 2.300. BRAIN AND SPINAL CORD OF A FROG.
FIGURE 2.301. BRAIN OF AN OX-EMBRYO.
FIGURES 2.302 AND 2.303. BRAIN OF A HUMAN EMBRYO.
FIGURE 2.304. BRAIN OF THE RABBIT.
FIGURE 2.305. HEAD OF A SHARK.
FIGURES 2.306 TO 2.310. HEADS OF CHICK-EMBRYOS.
FIGURE 2.311. SECTION OF MOUTH OF HUMAN EMBRYO.
FIGURE 2.312. DIAGRAM OF MOUTH-NOSE CAVITY.
FIGURES 2.313 AND 2.314. HEADS OF HUMAN EMBRYOS.
FIGURES 2.315 AND 2.316. FACE OF HUMAN EMBRYO.