490 



INDEX. 



Guns, large, construction of, 433. 



Hales, capacity of right and left ven- 

 tricles, 144. 



on force of blood currents in 



arteries, 138. 



Hamadryad baboon, 400. 



Hamstrings of lion and tiger, 257. 



Hand tendons, anatomy of, 1 20. 



Hanging, history of, 7. 



causes of death in, 8. 



rules for, 9. 



Haughton, Dr., experiments of, 454. 



Captain, „ 26. 



J. Gr., „ 473- 



S., „ 26. 



Hare, tendons of toes in, 109. 

 Hapale Jacchus, 95. 

 Heart, coefficient of refreshment of, 

 484. 



shape of, 438. 



j muscular tissue of, 4. 



weight of human, 145. 



mechanical work done by, 137. 



principle of least action showed 



in arrangement of fibres of, 430. 

 Hedgehog, tendons of toes in, 107. 

 Helmholz on work done by human 



heart, 146. 

 rate of action of motor nerves of 



frog, 14. 



work done by frog's muscles, 72. 



Henke on coefficient of muscular 



force, 69. 

 Heron, pectoral muscles of, 185. 



wing of, 295-313. 



Hip, theory of, 361. 



peculiarities of, in man, 401. 



abductor muscles of, in lion, 374. 



Hirsch on rate of action of sensitive 



nerves in frog, 14. 

 Hodman, useful work done by, 58. 

 Horse, action of, 253. 



Hyperbola, cubic, 43. 

 Hyperboloid of one sheet, 233. 



Indicatrix curve, 210. 

 Ingram on hanging, 7. 

 Inherent work in a triangular muscle, 

 182. 



Insectivora, tendons of toes in, 107. 

 Involuntary muscle, 3. 

 Iris, muscles of, 200. 



Jabiru, foot tendons of, 114 

 Jacchus, foot tendons of, 95. 

 Jackal (Canes pallipes), 98, 398. 

 Jaguar, tendons of foot of, 97. 

 Jevons' experiments, 39, 442, 450, 

 460. 



Joulin on force in parturition, 157. 



Kangaroo, foot tendons of, nr. 

 ratio of section of muscle to 



tendon in, gt. 

 King, Croker, on hanging, 13. 

 Knorz on coefficient of muscular 



force, 69. 



Koster on coefficient of muscular 

 force, 70. 



j Labouring, force of man in a day, 60. 

 1 Laennec, on the ventricle, 150. 

 Lagothrix Humboldtii, tendons of 



foot in, 95. 

 Lagrange's theorem, 152, 218. 



principle of virtual velocities 



used, 187. 

 Latissimus dorsi, human, work done 

 by, 191. 



dorsi in tiger, 250. 



dorsi, comparative anatomy of, 



! 2 5°- 



] Law of work proportional to weight, 

 I 443- 



j of constancy of work, 444. 



I of fatigue, 29, 450. 



