...Fern (Comptonia asplenifulia Ait.), July 7, 1866, at Hamilton, Mass., the moth appearing July 20th. The case is quite different in form from that previously...may have led to the formation of a short, oval case. These differences are such as we would ordinarily regard as specific, but neither do the pupie or adults...

...the Sweet Fern (Comptonia asplenifolia Ait.), July 7, 1866, at Hamilton, Mass., the moth appearing July 20. The case is quite different in form from...to the difference in the form of the leaves of the food-plant, the large broad leaves of the alder inducing the larva to build a horn-like, much elongated...

...described, being regularly oval cylindrical ; .55 inch long and .35 inch in diameter. It is constructed iu the same manner as those found on the alder. This...of the case may possibly be due to the difference iu the form of the leaves of the food plant, the largo broad leaves of the alder inducing the larva...

...on the sweet fern (Comptonia a8penifoliaA.it.), July 7, 1866, at Hamilton, Mass., the moth appearing July 20. The case is quite different in form from...may have led to the formation of a short oval case. These differences are such as we would ordinarily regard as specific, but neith'erdo the pupae nor...

...form from that previously described, being regularly oval cylindrical, .55 inch long and .35 inch iu diameter. It is constructed in the same manner as...may have led to the formation of a short oval case. These differences are such as we would ordinarily regard as specific, but neither do the pupse nor...

...form from that previously described, being regularly oval cylindrical, .55 inch long and .35 inch iu diameter. It is constructed in the same manner as...may have led to the formation of a short oval case. These differences are such as we would ordinarily regard as specific, but neither do the pupae nor...