FIGURES 1.81 AND 1.82. SECTION OF AMPHIOXUS-LARVAE.

FIGURES 1.83 AND 1.84. CHORDULA OF THE AMPHIOXUS.

FIGURES 1.85 AND 1.86. CHORDULA OF THE AMPHIBIA.

FIGURES 1.87 AND 1.88. SECTION OF COELOMULA-EMBRYOS OF VERTEBRATES.

FIGURES 1.89 AND 1.90. SECTION OF COELOMULA-EMBRYO OF TRITON.

FIGURE 1.91. DORSAL PART OF THREE TRITON-EMBRYOS.

FIGURE 1.92. CHORDULA-EMBRYO OF A BIRD.

FIGURE 1.93. VERTEBRATE-EMBRYO OF A BIRD.

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.