Material and Equipment 293 



and place over it all a piece of stiff paper cut to fit the 

 inside of the bottle or jar; fasten the edges of this 

 paper with glue after having punctured a few holes in 

 it for the fumes to pass through. Keep the bottle or 

 jar constantly closed, for the fumes are poisonous. 

 An insect put into such a jar will be put to sleep in a 

 few minutes, but often recovers if removed too soon. 



A collecting-net is very essential. It can be made 

 very cheaply from cheese-cloth, a stiff wire, and a 

 broom-handle. The cheese-cloth is made into a bag 

 about 2 feet long. The free edge of this bag is 

 wound around the stout, stiff wire bent into a circle 

 about ij feet in diameter, and sewed firmly to it. 

 The ends of the bent wire are crossed and tied firmly 

 to the handle (bamboo may be used), about 4 feet 

 long. This may be done by winding fine wire around 

 the crossed ends of the hoop after making a notch in 

 the end of the handle to receive the crossed hoop 

 wires. 



A pair of forceps and a stout knife are also essential. 

 Equipment of all kinds, like those enumerated above, 

 can be purchased from Bausch and Lomb, Rochester, 

 New York, by sending directly to them. They also 

 have branch houses in Chicago and San Francisco. 

 Druggists can frequently supply alcohol, formalin, 

 viols, etc. 



The following items, with the price of each, are 

 taken from the Catalog (sixteenth edition) of the 

 Pacific Micro-Materials Company, 432 Montgomery 

 Street, San Francisco: 



1. Drying Paper, extra heavy, 33X46 cm., per 

 hundred, $1.00. 



2. Genus Covers, 42.5X61.3 cm., extra quality, 

 per hundred, $2.00. 



3. Mounting Paper, 29.2X42 cm., purest 

 strongest stock per ream, $4.50. 



