[ m i 



thread ; befmear this thread with bird-lime, or 

 fome adheRve fubftance, to intercept the rapa- 

 cious vermin of thefe climes in their paffage 

 along the thread. 



After our infects are properly dried, they may 

 be placed in the cabinet or boxes where they are 

 to remain : thefe boxes fhould be kept dry and 

 alfo made to mut very clofe, to prevent fmall in- 

 fects from deftroying them ; the bottoms of the 

 boxes fhouid be covered with pitch, or green 

 wax, over which paper may be laid •, or, which is 

 better, lined with cork, well impregnated with a 

 folution of corrofive fublimate mercury, in a fatu- 

 rated folution of crude fal-ammoniac in water, an 

 ounce of which will diffolve twenty fcruples of 

 the fublimate. 



The fineft collections have been ruined by 

 fmall infects, and it is impoffible to have our 

 cabinets too fecure. Such infects as are thus 

 attacked may be fumigated with fulphur, in the 

 manner defcribed for killing moths if this 

 prove ineffectual, they may be immerfed in fpirit 

 of wine, without much injuring their fine plu- 

 mage or colors, and afterwards let them be 

 fprinkled about their bodies and infertions of 

 the wings with the folution above-mentioned. 

 But baking the infects in an oven in the man- 

 ner to be. defcribed in the next fection for birds, 

 is the moft effectual method of extirpating thefe 

 enemies j however the utmoft caution is requifite 

 in this procefs, in regulating the heat of the oven. 



Thefe obfervations and directions refpecting 

 infects, may, perhaps, be the means of exciting 

 the curiofity of fome, whofe enquiries after this 

 part of natural hiftory will be amply compen- 

 sated by the frequent opportunities of enlarging 



their 



