TABLE OF CONTENTS 



Page. 



e. Carnivores, 95 



f. Ungulates, . , 103 



g. Insectivores, . . . . . . . . 107 



h. Edentates, . 107 



i. Rodents, 109 



k. Marsupials, . . . . . . . . 1 1 1 



/. Birds, 113 



m. Reptiles, . . . 117 



B. Comparative Anatomy of the flexor tendons of the hand, 120 



a. Man, 121 



b. Quadrumans, i 23 



c. Carnivores, . . . . . . . . 126 



d. Ungulates, . . 1 3 r 



e. Rodents, . . . . . . . . 132 



f. Marsupials, . . . . . . . . r 3 3 



7 The Mechanical Work done by the Human Heart, . 137 



a. Rev. Dr. Hales' experiments, 138 



b. Velocity of blood spouting from a large arteiy, . . 141 



c. Coefficient of capillary resistance, . . . . . 143 



d. Haemastatic pressure inside the left ventricle, . . , 144 



e. Work done by the heart, 145 



Estimates of Helmholtz and Donders, . . . . 1 47 



/. Experiments of Poiseuille and Spengler, . . . . 149 



g. Time occupied in the complete circulation of the blood, . 150 



• 8. The Muscular Forces employed in Parturition, . . 15 \ 



a. Lagrange's Theorem, 152 



b. Experiments of Duncan and Tait, . . . . 1 55 



c. Calculation of hydrostatical pressure caused by contraction 



of the uterus, 155 



d. Abdominal muscles, 160 



e. Calculation of pressure caused by the abdominal muscles, . 162 



Curvature of abdomen in young men, . . . . 162 



9. Classification of Muscles, and their Mode of Action, 164 



a. Direct prismatic muscles, 165 



b. Rhomboidal muscles, 166 



c. Penniform muscles, . . . . . . . . 167 



Biceps humeri in nylghau and ass, . . . . 169 



Biceps humeri in Sambur deer, 173 



Mylohyoid muscle, . 177 



d Triangular muscles, . . 178 



Biceps femoris in lion, 179 



Pectoral muscle in angel shark, . . . , 1 80 



