THE LEPIDOPTERIST 



The net should be used for taking specimens from 

 flowers, from the ground, and, of course, while flying. 

 In collecting from "sugar" and from tree-trunks a 

 collecting- jar is necessary. There are several forms 

 of these jars that can be obtained from any supply 

 house. But a home-made one can be prepared by 

 placing one ounce of potassium cyanide in a straight- 

 sided jar and covering v/ith half an inch of sawdust. 

 The whole should then be covered with half an inch 

 of Plaster of Paris. Hold the jar over the specimen 

 on the tree. When it flies off the tree fit a tight-fit- 

 ting cork stopper in the bottle. The one objection to 

 this arrangement lies in the deadliness of the fumes. 

 The commercial jars are made with a bulb, contain- 

 ing cotton at one end. This cotton may be wet with 

 chloroform and the jar used without danger. 



Cocoons or chrysalids may be found by careful 

 search under stones or bark, on twigs or leaves, or 

 about fences and buildings. Caterpillars and eggs 

 may be found on or near the food plant. There is no 

 locality, even with the present careful system of ar- 

 senic spraying, where the lepidopterist canot add to 

 his collection. 



SEND .50 FOR A YEAR'S SUBSCRIPTION TO 



THE LEPIDOPTERIST 



AT THE SAME TIME SEND THE NAMES OF 



FRIENDS WHO MIGHT LIKE A COPY. 



SAMUEL E. CASSINO, SALEM, MASS. 



