DEMONSTRATIONS TO BE GIVEN IN CONNECTION WITH 

 THE PRECEDING LESSONS 



1. (a) The determination of the strength of the make and break 



induction shocks by means of the galvanometer. Pro- 

 jection method. 



(6) The production of acid in contracting muscle. Acid fuchsin 

 method. 



2. Electrotonus. Pfliiger's law of contraction. 



3. The current of injury and current of action in muscle and nerve. 

 Projection method. 



4. The action of electric currents of high voltage. 



5. (a) Extraction of the gases of the blood by means of the mer- 



cury pump. Barcroft-Haldane blood-gas apparatus. 

 (b) Viscosimeter (Burton-Opitz) . 



6. (a) Projection of the spectrum. Formation of the bands of 



oxyhemoglobin and reduced hemoglobin. 



(6) The capillary circulation in the mesentery or bladder of the 

 frog. Projection method. 



7. (a) The action of the valves of the heart. Gad's method. 

 (6) The vitelline area in the developing chick. 



8. (a) The construction and action of different types of galvan- 



ometers. 



(6) Einthoven's string galvanometer and the action current of 

 the heart. 



9. Electrocardiography. Normal and abnormal records. 



10. The registration of the sounds of the heart. Normal and ab- 

 normal records. 



11. The effect of increases in intracranial pressure upon the circula- 

 tion and respiration. 



12. The blood-supply of the intestines, demonstrated by means of 

 the recording stromuhr of Burton-Opitz. Stimulation of the splanchnic 

 nerve. 



13. The vasomotor function of the spinal cord. Division and 

 stimulation of the cord. 



14. Fluoroscopic examination of the heart and lungs in man. 



15. Perfusion of the excised mammalian heart. 



16. The application of the polygraph (Mackenzie). 



17. Projection of the larynx. Stimulation of the superior and in- 

 ferior laryngeal nerves. 



18. Abolished and exaggerated reflexes in man in consequence of 

 "high" and "low" lesions of the nervous system. 



19. (a) The decerebrated pigeon. 

 (&) The decerebrated cat. 



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