Memoirs of the National Academy of Sciences . , butsmallei-, less extensive than in J), ministra, the latter, how-ever, differing m this respect in different sets of may prove to be a climatic variety of I), ministra;I .should certainly think so if its food plant in South Dakotaand iu Oregon were the apple, as we should hardly expectto find any species of the genus on the Pacific Coast, thoughD. californica may be authoctonous. The South Dakota^specimens are in one respect, i. e., the small yellow bands on the sides of the tenth segment,intermediate betweeu D. ministra and the O
Memoirs of the National Academy of Sciences . , butsmallei-, less extensive than in J), ministra, the latter, how-ever, differing m this respect in different sets of may prove to be a climatic variety of I), ministra;I .should certainly think so if its food plant in South Dakotaand iu Oregon were the apple, as we should hardly expectto find any species of the genus on the Pacific Coast, thoughD. californica may be authoctonous. The South Dakota^specimens are in one respect, i. e., the small yellow bands on the sides of the tenth segment,intermediate betweeu D. ministra and the Oregon examijles. The following is a description from life of the South Dakota specimeus: Larra.—Length, 17 mm. Head large, black; prothoracic shield ocherous yellow. Bodyblack, with five narrow lemon or greenish yellow stripes on each side, all of nearly uniformwidth; the longest (fifth) are broken and not readily seen; end of the lines continent on thetenth abdominal segment, forming a small ocherous spot below the suranal plate. A mediau. Fig. j5.—Pupa of Datana from Olympia. Wash. 110 MEMOIRS OF THE l!fATIONAL ACADEMY OF SCIENCES. ventral greenish yillow line. Tlioracic legs black, at the base: abdominal legs black onthe outside, but greenish yellow at base within and on the plauta\ The body is dusted (|uitedensely with long and abundant pale whitish gray hairs, those of the thoracic and eighth andninth abdominal segments much longer than the others; the short dorsal hairs on the second andthird thoracic and fourth to eighth abdominal segments forming tofts meeting over the middleof the back, while the lateral hairs are grouped in tufts which are directed downward. Piqja.—The following description is tliat of the pui)a of the Olympia, Wasli., larva, 9 :Head a little less jirominent than in pupa of I), aiiguxil, not distinctly notched, and the ridgesmuch less distinct. Body elongated, not very plump, suddenly pointed at the end. and bearinga large, broad crema
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