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To collect Coleoptera, Orthoptera and Hemiptera, it is 
necessary to carry several bottles with alcoholic saw 
dust. 
The way to prepare it is to fill up the bottle to the third 
part with thin saw dust ; and then pour in a wine glass of 
alcohol (1), or strong spirit, and shake it together for about 
five minutes. 
In that bottle, must be put all the Insects above men- 
tioned. 
On returning from an expedition, take them out of the 
bottles and pin the Coleoptera on the right elytra (2) in 
order that the point of the pin (3) may emerge under the 
thorax, between the second and the third pair of legs. 
The Orthoptera and Hemiptera must be pinned on the 
thorax, and the pin must come out between the two fore- 
/ 
most legs. • 
They must be put with symmetry in corked boxes, taking 
I 
(1) If you have no alcohol or spirit, you will put in the bottle the 
same quantity of benzine. 
(2) The wings, in form of tweezers which cover again the abdo- 
men are the elytra. 
(3) You will take care to use pins adjusted to the size of the 
Insect. 
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