142 NATURALISTS’ ASSISTANT. 
Sugar” for moths. 
Ale 4 pint. 
Honey 4 lb. 
| Sugar + Ib. 
Rum I Oz. 
Oil of bitter almond 5 drops. 
The ale is heated and the sugar and honey added. When cold the 
rum and oil of almond, having been previously mixed are poured in 
and the whole thoroughly stirred. 
“Sugar” for moths. No. 2. 
A thick sugar made of brown sugar with a small quantity of rum. 
Dr. Leconte’s poison for insects. 
Saturated alcoholic solution of arsenic 8 fl. oz. 
Strychnine 12 grs. 
Crystallized carbolic acid I dr. 
Heavy benzine and alcohol enough to make one quart. 
Heavy benzine should be used (about 10-12 oz.), as lighter will not 
mix with alcohol. The benzine should be tested for grease, by moistening 
paper with it. If all greasy appearance does not disappear on drying 
it should be rejected. This poison is to beapplied to the insects in the 
cabinet by an atomizer. 
A good mucilage. 
Take equal parts of gum arabic and gum tragacanth, swell in water 
and then dissolve by means of heat, then add a few drops of carbolic 
acid and a few of glycerine. The carbolic acid prevents fermentation 
or mould, the glycerine keeps it from cracking or scaling off when 
dry. 
Thick flour paste added to common glue adheres well to glass as also 
does the mucilage made of gum arabic and gum tragacanth. 
‘*Electrical Cement.” 
Melt together ten oz. of resin, two oz. of beeswax, two oz. of red 
ochre, and adda teaspoonful of plaster of Paris. This is used hot for ce- 
menting brass or wood to glass. 
