TABLE OF CONTENTS* Xlii 



Page. 



Confirmation of postulate from the adduction muscles 



of the lion's hip -joint, ...... 386 



General conclusions from the comparison of the teleolo* 



gical postulate, with observation, .... 387 



it. Muscular Types, 390 



a. Larger felidse (hip) . . . . . » « • 39 1 



b. Lesser „ „ . . . t . . . . 393 



C. Larger (shoulder) . . . . . "» 394 



d. Lesser ,, ....... 395 



e* Greyhound (hip), ........ 397 



/. „ (shoulder), ,»•'.".'■•'.. 399 



g. Canidse (hip), 398 



h. ,, (shoulder), ........ 400 



i. Man and quadrumana (hip), . . . . . . 40 1 



k< ,, „ (foot), ...... 404 



/. ,, (shoulder, ..... 406 



tn> ,, „ (hand), .«...., 408 



«. Struthionidse (hip), . . . . . . . 416 



0. Birds' wings, . . . . * . . . 4 19, 420 



p. Bats' wings, ......... 424 



q. Swimming animals (shoulder), ..... 425 



r. Ostrich and rhea (shoulder) ...... 427 



s. Emu and cassowary (shoulder), ..... 429 



12. Principle of Least Action applied to the Arrange- 



ment of the muscular fibres of the heart, . 43c 

 Relation of lengths of proper and common fibres required by 



law of least action, ....... 439 



Verification of relation, , , . . . . , 44 1 



13. Application of General Laws of Muscular Action, . 442 



a. Borelli's law, ......... 443 



b. Law of constancy of work, 444 



Mr. Jevons' experiments, . . . . , 444 



C. Law of fatigue, ........ 450 



Mr. Jevons' experiments, . . . . . , 4^0 



Author's experiments, . . . . . . , 453 



Mr. Jevons' experiments, ...... 460 



Mr. Nipher's experiments, . , , . . , 462 



Dr. Macalister's experiments, ..... 468 



Mr. J. Gilbert Haughton's experiments, . , . 474 



Mr. Nipher's experiments, , . , , , , 475 



Value of w, . . , 477 



