THE CANADIAN ENTOMOLOGIST. 209 



more blended and of a dark greasy gray, though the general marks are the 

 same as at the first of the period. Duration of this period, 12 days. 



Chrysalis. — Length .65 inch, length of wing cases from anterior end 

 .39 inch, of leg and antennae cases .40 inch, the latter reaching a little 

 beyond the hind margin of joint 5 of the abdomen. Depth of thorax .18 

 inch, of abdominal joint 1, 18 inch, of joint 3, .19 inch, showing the 

 chrysalis to be about cylindrical. Anterior part rounded down to the 

 front of the head. The tip of anal joint ending in two short conical 

 points. General surface smooth and shining, but the anterior edge of the 

 dorsal part of joints 5 to 8 very much roughened. Color rather pale 

 brown, the following parts dark brown : eyes, humeri, stigmata, tip of anal 

 joint and the dorsal anterior part of joints 5 to 8. Duration of this 

 period from, 25 to 46 days. 



About the first of August, 1882, the moth from which the eggs upon 

 which my observations were taken, was captured, and the eggs were 

 deposited August 3rd. The egg and larval history covered a period of 40 

 days, and the pupal was from 25 to 46 days more, making in round num- 

 bers from 2 to 3 months from the egg to moth. I do not know the num- 

 ber of eggs that were obtained, or larvae resulting, but 39 completed all 

 their transformations, having pupal periods as follows : 



6 a period of 25 days. 



The last were probably prolonged by the days and nights becoming 

 for a time colder. This will give us two broods at least in a season. I 

 am not sure of the way they pass the winter, though from the moths com- 

 ing out in October, it is probable that they hibernate here as part grown 

 larvae, though it may be different further north. Their habits are truly 

 "cut-worm," eating almost anything offered them, and hiding in the dirt 

 during the day time. They were fed for the most part on Knot-grass 

 ( Polygomim aviculare). A few were kept in a glass dish partly filled with 



