LIST OF ILLUSTB1TIONS. 



APPARATUS FOR EXPERIMENTING ON MOVEMENT. 



PAGE 



Fi3. 2. Theoretical representation of myograph . . . . 31 



FIG. 3. Marey's myograph .32 



FIG. 7. .Arrangement of a muscular bundle between two myo- 



graphical clips . . 37 



FIG. 19. Experimental shoe, intended to show the pressure of the 



foot on the ground, with its duration and its phases . 113 



FIG. 42. Experimental apparatus to show the pressure of the 



horse's hoof on the ground 148 



FIG. 43. Apparatus to give the signals of the pressure and rise of 



the horse's hoof . . . . . . . .149 



FIG. 26. Apparatus to determine the speed of walking at every 



instant ... . . . . 122 



FIG. 27. Runner provided with the apparatus intended to register 



his different paces 126 



FIG. 28. Instrument to register the vertical re-actions during the 



various paces 127 



FIG. 44. Figure to represent a trotting horse, furnished with 

 the different experimental instruments ; the horseman 

 carrying the register of the pace. On the withers and 

 the croup are instruments to show the re-actions . . 150 



FIG. 93. Apparatus for the purpose of experimenting on the con- 

 traction of the thoracic muscles of the bird . . . 229 



FIG. 99. Buzzard flying, with the apparatus for giving signals of 



the movements of the extremity of its wing . . 241 



FIG. 103. General arrangement of the recording instrument]; apigeon 



attached to it, and conveying signals . . . . 248 



FIG. 104. Suspension of the bird in the apparatus .... 250 



FiG. 109. Apparatus to examine the movements of the wing, and 



the changes in its plane .... . 260 



FIG. 21. Transmission of an oscillatory movement to the regis- 

 tering apparatus .... 



