CONTENTS 



CHAP - P AOE 



II. Load and After-load. Work clone with Increasing Loads. 



By A. P. Beddard, - ----- 285 



III. Comparison of Isotonic and Isometric Contraction. By 



A. P. R, . 290 



IV. Comparison of the Shortening in a Single Contraction and in 



Tetanus. By A. P. B., - - 294 



V. Summation of Stimuli. By A. P. B., - - _ - 296 



VI. Effect of Distilled Water and of Various Salts 011 Muscle. 



ByA.P.B., - 3d 



VII. Fatigue of a Voluntary Movement and of a Muscle-Nerve 



Preparation with its Circulation intact. By A. P. B., 304 

 VIII. The Eate of Transmission of a Nervous Impulse. By 



M. S. Pembrey, . _ . . 310 



IX. The Polarisation of Electrodes and Unjjolarisable Electrodes. 



By M. S. P., - - 312 



X. Transmission of a Nervous Impulse in both Dii ections. By 



M. S. P., . 313 



XI. The Eelation between Muscle and Nerve. The Independent 



Excitability of Muscle. By M. S. P., - 315 



XII. The Effect of Temperature upon the Excitability and Con- 

 ductivity of Nerve. The Moist Chamber. By M. S. P., 316 



XIII. The Influence of Carbon Dioxide, Ether, and Chloroform 



upon Nerve. By M. S. P., - - 317 



XIV. The Effect of a Constant Electrical Current upon the Excita- 



bility and Conductivity of Nerve. By M. S. P., - - 318 



XV. Law of Excitation. Pfliiger's Law of Contraction. By 



M. S. P., - 324 



XVI. The Effect of a Constant Electrical Current upon Muscle. 



By M. S. P., - 328 



XVII. The Absence of Fatigue in a Stimulated Nerve. By M. S. P., 330 



XVIII. The Electromotive Properties of Muscle and Nerve. By 



M. S. P., - 330 



XIX. The Electromotive Properties of Muscle and Nerve (continued). 

 The Galvanometer and the Capillary Electrometer. By 



M. S. P., - 332 



XX. The Heart. By Leonard Hill, 335 



XXI. The Heart (continued). By L. H., 338 



XXII. The Heart (continued). The Action of Drugs. By L. H., 340 



XXIII. The Cardiac Plethysmograph. The Effect of Temperature 



on the Heart. Cardio-pneumatic movements. By L. H., 342 



XX TV. The Tortoise Heart. By L. H., - - 344 



