89. The arteries; the veins: animals without arteries or veins. The blood and the sweat 78 90. Animals, the blood of which coagulates with the greatest rapidity: other animals, the blood of which does not coagulate. Animals which have the thickest blood: those the blood of which is the thinnest: animals which have no blood _ib._ 91. Animals which are without blood at certain periods of the year 79 92. Whether the blood is the principle of life 80 93. The hide of animals _ib._ 94. The hair and the covering of the skin 81 95. The paps: birds which have paps. Remarkable facts connected with the dugs of animals 82 96. The milk: the biestings. Cheese: of what milk cheese cannot be made. Rennet; the various kinds of aliment in milk 83 97. Various kinds of cheese 85 98. Differences of the members of man from those of other animals 86 99. The fingers, the arms _ib._ 100. Resemblance of the ape to man _ib._ 101. The nails 87 102. The knees and the hams _ib._ 103. Parts of the human body to which certain religious ideas are attached 88 104. Varicose veins 88 105. The gait, the feet, the legs 89 106. Hoofs _ib._ 107. The feet of birds 90 108. The feet of animals, from those having two feet to those with a hundred.—Dwarfs 91 109. The sexual parts.—Hermaphrodites _ib._ 110. The testes.—The three classes of eunuchs 92 111. The tails of animals _ib._ 112. The different voices of animals 93 113. Superfluous limbs 95 114. Signs of vitality and of the moral disposition of man, from the limbs 96 115. Respiration and nutriment 97 116. Animals which when fed upon poison do not die, and the flesh of which is poisonous 98 117. Reasons for indigestion. Remedies for crudity _ib._ 118. From what causes corpulence arises; how it may be reduced _ib._