64 



namely, to immerse the dung in water, when 

 the insects will be found swimming on the top : 

 many may be collected this way, which from 

 their quick movements escape observation, in 

 the ordinary mode of collecting. Pieces of 

 board, laid on dung heaps or cucumber beds, in 

 the months of June and July, will attract small 

 beetles, (Pselaphidce) which will be found to ad- 

 here to the underside. 



Old Trees, dead fences, and felled timber, 

 should always be carefully examined. From 

 the little round holes many beetles and bees may 

 often be obtained, by inserting a stem of grass, 

 or straw, and probing the holes to the bottom. 

 Tobacco smoke infused into the holes, will also 

 quickly bring them out. The forceps must 

 always be kept close to the hole to catch the 

 insect as soon as it appears. The holes in 

 banks might also be probed with success. 

 Hedge-stakes, perforated with holes, should be 

 carefully split, for they harbour small beetles 

 and other insects. Timber in vnrds should be 



