Article beginning on page 76.
Psyche 3:76, 1880.

Full text (searchable PDF)
Durable link: http://psyche.entclub.org/3/3-076.html

The following unprocessed text is extracted from the PDF file, and is likely to be both incomplete and full of errors. Please consult the PDF file for the complete article.

76 PS YQEZ.
76 [0.53] [average, 0.521, the first repre- should have emerged in 1879 as the snrn- seating the earlier broods.
Of the 69 mer form did so emerge in shape, but pre- pupae of June 1879 (PSYCHE, p. 4), 34 sented the coloration of tho winter form. yielded butterflies the same season ; and I call to mind only two species of North of the 35 of same lot, which were iced, American butterflies in which there is a 16 emerged the -me season.
decided difference of shape between the
By this it does not appear that cold made winter and summer forms,namely, P, ajax any butterfly emerge in 1879 whose natural and Grupta interrogationis. In other ape- term was 1880.
It is impossible to be cies, as the shape is identical in both form, absolutely certain of this fact, but the it could not be ascertained whether the ap- probability is very strong that the change plication of cold had affected anything be- produced by cold was in coloration, or in yond the coloration or clothing. the clothing (ae in the frontal hairs). What LARVAE OF THE FAMILY PYROCJSSOIDAE.
BY HENRY LOKING MOODY, KALKKH, MASS.
The larva of Dwdroides waade'ftsis is a do not appear at all when looked for from type of the larvae of the fyrochrmdae, of above.
which family I have bred four species, In D. cmwolor the processes are stouter, namely, D. canadensis, B. e0~30lor, P~To- nearly straight, and hardly longer than the chma ftabeIlata, and Schiwtus cervicdis. basal portion. The tips (ire obliquely cut
These larvae all have a much flattened and off on their inner side. The &.+sacs
- appra~d body, a compressed between them are larger than in D. ma- head slightly broader than the prothorax, dmsis7 & their de a
slightly projecting lip, which can be seen and* attached to the final a. 'Om'- from above. The modification of them ous plate, produced into two distant, hi- characters in P. ftaheHafa is more marked ; zontal. more or less curved moeesses.
the processes are straight on the inner
last from the other three, which& be aep- edge at the basehas two such projections, arated from each other by the corneous OM smallm than the other. The cu!-de- sacs are very large, with the projecting lip plate and processes' In Dm canadensis the pmmhent and emarginate at the middle. Processes are nearly one third longer than in conclusion a word in regard to the cu- the basal portion, are rather slender, regu- rim d-de-sacs. They are deep, sad 9ug-
hrly though moderately curved inward, and ge~t a possible organic we ; but t'fwa far, have fine granulations which are more nu- tlwugh I have carefully dissected for the purpose, I have not, fousid that they are in merous toward the tips-
Between these any way connected with the internal organs, processes at their bases, are found two or have any opening into the interior of small blind cavities, or cul-de-sacs, which the body.



================================================================================