NOTE ON LIMENITIS URSULA

Extract

In my paper on L. Arthemis and its alleged second brood, in Dec., 1881, I stated that some caterpillars of L. Ursula did go on to chrysalis and butterfly late in the year, in Ohio, though others of same lot went into their hibernacula when half grown; and that I had dissected one female Ursula which emerged in September last, and could discover no signs of eggs, or at any rate, there were no formed eggs. Also that I had sent a second female of same lot to Prof. Minot for examination. I now have his report, as follows: “There were certainly no ripe eggs in the abdomen, although there were a great many eggs in an immature condition.” I stated in the above mentioned paper, that the existence of the species Ursula did not depend on these late, or September butterflies; and the reason is, that the female coming so late, and with immature eggs, the season would either not allow the eggs to ripen, or if it did, and they were impregnated, which would be doubtful, it would not allow the larvæ to hatch and to reach the hibernating stage.