HOUSEPIOLD INSECTS AND TPIEIR REMEDIES 115 



and the tip then lighted. It burns quite readily and makes a 

 dense pugent smoke. If the powder does not burn well it can 

 be sprinkled over, red hot coals. This method is not very effective 

 where the windows are left open. The essential thing is the volatile 

 oil given oiT into the room from the burning powder and stupifies 

 the insect. 



II. 

 Jims on Weed. 

 Dr. John B. Smith recommends the following: 

 I oz of salt peter 



3 oz powdered jimson weed (Dotura siramoniimi) . 

 About ten ounces of this should be burned per 1,000 cubic 

 feet of space. He states that the fumes are not injurious to humans, 

 fabrics or metal. The powder should be burned on a tin pan or 

 shovel. 



III. 

 Nimms CuUcide. 

 Mix equal parts by weight of carbolic acid crystals and gum 

 of camphor. The carbolic acid crystals are melted over a gentle 

 heat and poured over the gum. The gum is dissolved and the 

 resultant is a clear liquid with a pleasing ordor. The vapor is 

 not injurious to human beings except when very dense, but it will 

 produce headache if breathed too freely. I^oms should be as 

 nearly air tight as possible. 



IV. 

 Protection from Bites. 

 One of the best mixtures to keep mosquitoes away is made 

 from the following: 



Oil of citronella i oz 



Spirits of camphor i oz 



Oil of cedar }4 oz 



A few drops on a bath towel and hung on the head of the bed 

 will keep the common mosquito away for a time. Where mosquitoes 

 are real bad some of the liquid should be rubbed on the face and 

 liands. This mixture will not last the entire night. 



Mr. E. H. Gane of New York remmonds the following to 

 avoid the odor of the oil of citronella. 



Castor oil i oz 



Alcohol I oz 



