FIGURES 1.94 AND 1.95. SECTION OF THE PRIMITIVE STREAK OF A CHICK.
FIGURE 1.96. SECTION OF THE PRIMITIVE GROOVE OF A RABBIT.
FIGURE 1.97. SECTION OF PRIMITIVE MOUTH OF A HUMAN EMBRYO.
FIGURES 1.98 TO 1.102. THE IDEAL PRIMITIVE VERTEBRATE.
FIGURE 1.103. REDUNDANT MAMMARY GLANDS.
FIGURE 1.104. A GREEK GYNECOMAST.
FIGURE 1.105. SEVERANCE OF THE DISCOID MAMMAL EMBRYO.
FIGURES 1.106 AND 1.107. THE VISCERAL EMBRYONIC VESICLE.
FIGURE 1.108. FOUR ENTODERMIC CELLS.
FIGURE 1.109. TWO ENTODERMIC CELLS.