. The butterflies of the eastern United States and Canada : with special reference to New England. Butterflies; Butterflies. NYMPHALIDAE : ARGYNNIDI. 1801 seventh abdomiual enlarged, on thoracic segments tapering forward more I'apidly than before; color uniform obscure greenish brown; the spines as in the last stage, a dull yellow tubercle forming the base of each; legs black, prolegs dull green. Leugtli, mm. Foiirlh stage. Head sub-conic, truncated, with a prominent vertex on either side, between which and the apex is a rounded depression, the front tlatteued, the lower angles rounded; co
. The butterflies of the eastern United States and Canada : with special reference to New England. Butterflies; Butterflies. NYMPHALIDAE : ARGYNNIDI. 1801 seventh abdomiual enlarged, on thoracic segments tapering forward more I'apidly than before; color uniform obscure greenish brown; the spines as in the last stage, a dull yellow tubercle forming the base of each; legs black, prolegs dull green. Leugtli, mm. Foiirlh stage. Head sub-conic, truncated, with a prominent vertex on either side, between which and the apex is a rounded depression, the front tlatteued, the lower angles rounded; color brown iu front, dull yellow behind; the ocelli black. Color of body as in last stage, the upper surface with a silky gloss; the spines longer and more tapering, the basal third of each and the tubercle also orange; the bristles shorter; legs and prolegs black. Length, mm. Fifth staije. Head black. Color of Ijody uniform deep chocolate brown ; the spines as before, except those of the two dorsal rows on first thoracic and last four abdomi- nal segments, all of which are black; the bristles shorter; between the dorsal rows on each segment are two whitish dots. Length, mm. Last stage. Head small, but broader than the segment behind, sub-conic, truncated and depressed at top, flattened in front, the lower corners rounded, the vertices promi- nent, the surface sparsely pilose; color brown, behind fulvous. Body cylindrical, fleshy, tapering at either extremity, each segment rounded; wholly velvety-black; armed with six rows of long, tapering, sharp, glossy-black spines, from each of which proceed several short, black bristles on the sides aud one at the top; length of most of these spines, 5 mm.; on the first thoracic segment the two dorsal spines measure mm. and are projected forward over the head; on each side of same segment is one other spine, starting from the posterior edge of the segment and back of the line of the dorsals, and these also are porrected; the r
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Keywords: ., bookauthorscuddersamuelhubbard1, bookcentury1800, bookdecade1880