MEMOIR OP DRURY. 37 



" When the box is filled, he must cover it all 

 over with a piece of linen dipped in tar or wax, or 

 paste a slip of paper all round the edges, to pre- 

 vent the small vermin getting in, who will cer- 

 tainly do mischief to the insects withinside ; it 

 being observed, that cockroaches and other vermin 

 do not eat or gnaw any thing that is well impreg- 

 nated with tar, therefore he must be careful to cover 

 every crevice or opening exceedingly well, that no- 

 thing may get in. 



" It is necessary to mention that insects are found 

 in various places ; some frequenting flowers, parti- 

 cularly butterflies and those with transparent wings ; 

 others, particularly beetles, are found in the dung of 

 animals, and in stinking flesh or putrid carcasses of 

 dead creatures; some hide themselves under the 

 bark of trees, where it starts or separates from the 

 body of the tree itself, and which by tearing it up, 

 will discover many kinds ; numbers also are found 

 in rotten wood and rotten trees, living in holes in the 

 wood. The billets and bavins likewise that are 

 cut and brought on board ships for their necessary 

 use, when they are in foreign countries, frequently 

 contain many curious insects, and therefore should 

 be examined when it is split, at which time large 

 white worms like maggots, as big as a man's finger, 

 are sometimes found in the wood, and very fre- 

 quently worms that are of a small size. These 

 should not be stuck with a pin or put in spirits, but 

 should be preserved in the same cavity of the billet 

 they were found in, by tying the split pieces to- 



