Memoirs of the National Academy of Sciences . t median spaces is a distinct round oroval white spot. The inner doubly scalloped line is much curved outward iu the discal space,more so than iu H. astarfc. Tlie marginal scalloped black line has much shallower scallops thanin II. ustarte. The hind wings are also more dusky than in the latter species, those near the apex,becoming straight liues. MEMOIRS OF THE ^ATIOXAL ACADEMY OF SCIENCES. 243 In var. hrunncu the fore wings aie suffused with reddish brown, and there is a distinct reddishbrown iiatcli beyond the discal mark, with less white iu the
Memoirs of the National Academy of Sciences . t median spaces is a distinct round oroval white spot. The inner doubly scalloped line is much curved outward iu the discal space,more so than iu H. astarfc. Tlie marginal scalloped black line has much shallower scallops thanin II. ustarte. The hind wings are also more dusky than in the latter species, those near the apex,becoming straight liues. MEMOIRS OF THE ^ATIOXAL ACADEMY OF SCIENCES. 243 In var. hrunncu the fore wings aie suffused with reddish brown, and there is a distinct reddishbrown iiatcli beyond the discal mark, with less white iu the usually white oblique subapical pat(;h. In var. trouvelotii, a large female expanding ;mm., there is an olive tinge to the fore winosbut within the inner line are three brown ])atches, while the middle of the wing is clear olive-graybeyoud the discal mark the wing is tawny-brown. It is near the normal 77. ohliqua, but muchlarger, and olive-gray instead of brownish gray, rendering the markings more distinct; the hindwings are smoky in II Fig. 85.âEarly stages of Httervcajnpa obli<iua and II, ffttttivitta.âI. llcteritcainpa ohliiua. Freshly halcbtdlarviv ; la. dorsal view;7&. spine on third; /c. spine on eighth; 7rf, .sjiine on ninth abdominal segment; /f, i)rothoracic horns of stage 1. enlarged. II. Seterocampaohtijita. Stage II; Ila, horns on first prothoracic .segment. III. Beterocampa tjiUtivitta. Horns in stage I; a, protboracic horn; second abdominal, e. one on third to fifth, and (?, on ninth abdominal segment. ( arem some cases in /and/a by oversight omitted.) The type was from Medford, Mass., and was collected July 10 by Mr. L. Trouvelot. and is nowiu the Museum of Comparative Zoology, Cambridge, Mass., where is also the tyiie of 77. obliqiia,normal form. The eggs of this Heterocampa were received from Trovidence. through the kindness of Dearden, July 13, and hatched at Brunswick, Me., July L0--I. It feeds on the oak. 244 MEMOIRS OF
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