CONTENTS. 

 PART I. 



MUSCLE AND NERVE. CIRCULATION. RESPIRATION. 



ANIMAL HEAT. CENTRAL NERVOUS SYSTEM AND 



SPECIAL SENSES. (ELEMENTARY COURSE.) 



PAGK 



Introduction, -.-...-... 1 



I. Electrical Apparatus for Physiological Experiments. By 



A. P. Beddard, 2 



II. The Graphic Method. Maximal and Minimal Stimuli. Uni- 

 polar Excitation. By A. P. B., - - - - - - 14 



III. A Single Contraction of a Gastrocnemius Muscle. By 



A. P. B., 22 



IV. The Conditions which affect Single Muscular Contractions. By 



A. P. B., - 29 



V. The Conditions which affect Single Muscular Contractions 



(continued). By A. P. B., - 32 



VI. The Conditions which affect Single Muscular Contractions 



(continued). By A. P. B., 35 



VII. Two Successive Stimuli. Genesis of Tetanus. Tetanus. By 



A. P. B., - 40 



VIII. The Properties of Nerve, Minimal and Maximal Stimuli. By 



M. S. Pembrey, - 44 



IX. The Relation between Muscle and Nerve. By M. S. P., - - 48 

 X. The Effect of a Constant Current upon Muscle and Nerve. By 



M. S. P., ,--,-- 50 



XI. The Electromotive Properties of Muscle and Nerve. By 



M. S. P., - - 51 



XII. The Anatomy of the Frog's Heart and its Contraction. By 



Leonard Hill, 53 



XIII. Methods of Recording the Heart. By L. H., - - - 58 



XIV. The Stannius Heart. By L. H., - ... - - 63 

 XV. The Cardiac Nerves and Ganglia. By L. H., - - - - 65 



