1 3 o DEL AGO A BAY. 



crumple up some white or tissue paper, which 

 they seem to prefer, and leave it as a bait near 

 anything I particularly value. 



Ants, of course, will find their way into the 

 house, and I have to look very sharply after my 

 collections. At some seasons the little red ants 

 literally come in swarms, and I am obliged to 

 keep the legs of my tables in saucers of water, 

 or everything would be eaten up. This, 

 however, is unfortunately no protection against 

 some tiny little lice (probably Terrnes pulsa- 

 torium, Linn.), who defy water, carbolic acid, 

 camphor, and albo-carbon alike, and who have 

 such fine appetites that they will devour the 

 wing of a butterfly in one night. 



Sometimes I drop a spoiled insect, on the floor, 

 and it is instantly surrounded by ants, who 

 seem to arrive on the spot almost as soon as 

 the dead insect. They do not only attack dead 

 insects, for I once found a brood of the large 

 caterpillars of Ophideres Fullonica covered with 

 them, the poor things twisting and throwing 

 themselves about in great distress. I was only 



