CERATOMIA AMYNTOR 165 



suggested a possible moth. Crossing the street, she 

 found not only a moth, but an amyntor female, and 

 succeeded in boxing it without injury. This is the 

 kind of chance which makes caterpillar- and moth- 

 hunting so exciting. It was mere chance that One of 

 Us walked in that direction, and that the moth had 

 stayed until nearly noon on a milestone under an 

 electric light in a much-traveled street. It was not 

 wholly chance that she spied the moth, because ento- 

 mologists have a way of seeing most things. 



Amyntor certainly fulfilled our wildest hopes. She 

 laid one hundred and forty eggs in three nights, and 

 there were enough for the English entomologist and for 

 us, so we kept about a third of them with a clear con- 

 science. They were very pale apple-green, showing the 

 larva later as a white line. They hatched in six days. 



The young caterpillars were three sixteenths of an 

 inch long, and almost white until they had eaten, when 

 they grew green all over, — but a very pale green, — 

 with short, sparse setae. On the dorsum of the second 

 and third segments were two folds of skin, or tiny 

 pits with an edge raised a little — the beginning of 

 the thoracic horns. When disturbed the caterpillars 

 dropped from the leaf by threads which they spun. 

 The first day they ate nothing, not even their shells, 

 but they drank water eagerly, and the next day they 

 ate holes through elm-leaves. On the third day they 

 showed white subdorsal lines from the head to the 

 horn, which was still almost white. They showed 

 also a broken white dorsal line on the abdominal seg- 

 ments, and the four thoracic horns appeared as slight 

 excrescences in place of the pits. 



