ネo○ পরিশিষ্ট ঙ । 4. What are the sources of water supply ? On what do their purity and wholesomeness depend ? 5. Describe some of the methods available for the purification of water, and explain their action. 6. Given a case of Diphtheria, to attend, what precautions should be taken to check the spread of the disease ? What disinfectants would you recommend, and what directions would you give as regards the quantity and manner of using the disinfectants recommended ? M. D.-( Ex-Dr. MAIENDRALAL SARKAR.) 1. Hygiene has been defined to be "the art of preserving health." Criticize this definition. Give a definition of your own corresponding to its modern development. State fully the scope and objects of Public Hygiene. 2. What are the diseases peculiar to the extreme periods of human life 2 To what extent are they preventable, and by what means ? 3. Discuss the merits of the chief methods of disposal of sewage. Criticize the drainage system of Calcutta. 4. Enumerate the diseases which have been traced or ascribed to impurities under each. State the sources, general and local, which are calculated to contaminate the water supply of Calcutta. 5. Give statistical evidence of the evil effects of over-crowding both on man and the inferior animals. 6. Discuss the merits, sanitary and other, of the various methods of disposal of the dead. 7. The Germans are the most myopic nation in the world. Discuss in this connection the chief causes of myopia. What would be the result, if precautions were not taken for the removal of these causes 2 Give short practical rules for the eyes, especially in children. M. B.-(Ex-Dr. SIMPSON.) 1. What are the conditions of soil which usually generate malaria Give examples of places where these conditions are likely to be present, and mention the sanitary precautions and remedies that should be adopted. 2. Describe the different methods of ventilation. 3. Describe the various means which may be adopted for the purification of water. 4. What is Trichinosis ? How may it be avoided
