LIST OF ILLUSTKmONS. 



APPARATUS FOR EXPERIMENTING ON MOVEMENT. 



PAGE 



Fig. 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'; a pigeon 



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 116 



