122 2 he Essentials of House Sanitation — 



of drains, the method of making drain joints, and of forming an 

 impermeable surface below the dwellings ; and strongly recom- 

 mended that all drains should be accessible and under the con- 

 trol of the householder, who should make himself familiar with 

 all the drainage arrangements of his premises, and see that they 

 are kept in an efficient and cleanly manner. No amount of 

 apparatus will make up for the want of intelligent supervision 

 or common sense. He proceeded : — I am glad to see that the 

 ventilation of our main drains has been taken up by the Town 

 Council, and is referred to in the highly-important and valuable 

 report just issued by our excellent local medical sanitary officer. 

 We have all more or less benefited by the very excellent show 

 room of the gas department of the City Council. It would be an 

 advantage to the cause of sanitary reformation if the very excel- 

 lent and zealous officer of the sanitary department would follow 

 the example shown by Mr. Stelfox, Engineer of the Gas 

 Works, and get together a showroom or exhibition of sanitary 

 apparatus, so that the citizens might see for themselves the 

 fittings and apparatus most approved by the authorities. In 

 addition to this, the medical officer should keep on exhibition, 

 for each month or quarter, a skeleton map of the city, showing 

 the localities where disease prevails. In suggesting such a 

 map, I do not mean anything more significant than that it 

 should show the main outline of this city without details, so that 

 the cause of disease could be more readily localised. Every- 

 thing that pertains to health should be exhibited, and every 

 facility given to the ratepayers to see what is being done in a 

 sanitary way. 



The lecture was illustrated with diagrams, models, and experi- 

 ments, and the following discussion followed. 



Dr. Lindsay — I did not expect that it would fall to my lot to 

 open this discussion, but I have pleasure in doing so. I listened 

 with great satisfaction to Mr. Gray's paper, and watched his 

 demonstrations with interest. He has chosen a subject of the 

 utmost importance, and I think he has handled it very satis- 

 factorily and very intelligently. There is hardly anything in 



