[ 7 3 



methods of killing them the mod readily, and 

 with the leaft pain ; as the purfuit of this part 

 of natural hiftory hath often been branded with 

 cruelty; and however reafonably the naturalift 

 may exculpate himfelf by pleading the propri- 

 ety of fubmitting to an evil, which leads to 

 uleful difcoveries, yet for wanton cruelty there 

 never can be a juft pretext. 



— The poor beetle that we tread upon, 

 In corp'ral fufferance finds a pang as great 

 As when a giant dies (/). 



I. The firft clafs, confifting of beetle (ccleop- 

 tera) are hard-winged. Many kinds fly about 

 in the day, others in the evening, fonie at night 

 only. They may be caught with a gauze net, 

 (pi. 2, fig. 2.) or a pair of forceps covered with 

 gauze (pi. 2, fig. 2). When they are taken, 

 ftick a pin through the middle of one of the hard 

 wings, and pafs it through the body, as in pL 1. 

 fig. i, frontifpiece. They may be killed in- 

 ftantly, by immerfion in hot water, as well as in 

 fpirit of wine; then ftick them on a piece of cork, 

 and afterwards carefully place their legs in a creep- 

 ing pofition, and let them continue expofed to 

 the air until all the moifture is evaporated from 

 their bodies. Beetles may alfo be preferved in 

 fpirit of wine, brandy or rum, clofely corked 

 up. 



II. Infecls of the fecond clafs (hemiptera) 

 may be killed in the fame manner as beetles, 

 and likewife by means of a drop of the etherial oil 

 of turpentine applied to the head; or in the 



manner 



( f>) Shakefpeare's Meafure for Meafure, 



