Article beginning on page 177.
Psyche 7:177, 1894.

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Uccembcr 18qh.J PSYCHE. 177
PREPARATORY STAGES OF SPHINX VASHTI STRECKER. BY HARRTSO'N G. DYAR, NEW YORK.
The eggs were obtained by Mr. C. A.
Wiley at Miles City, Montana.
Bgc. Elliptical, flattened above and
below, smooth, green, slightly shining.
Under a h inch objective it appears slightly marked irregularly. Length 1.6 mm.,
width, 1.4 mm., height 1.0 inin.
yirsf stage. Head round, sutures not
distinct, ocelli nearly forming a circle; pale greenish, slightly reddish around the mouth, ocelli black; width 0.7 mm. Body cylindri- cal, the segtnents annulated; with minute setae; whitish green, not shining. Horn
long, thick, black, not tapering and only slightly thickened at. base, its length I. I mm., held nearly erect.
Second stage. Head rounded, higher
than wide with sonic Isirgc white granules. Color yellowish green, the mouth pale;
width 1.1 mm. Body annulate, dark green
with large white granules; seven oblique whitiiih lateral lines. Feet green with
reddish tips. Caudal horn 2 mm. long,
heavily covered with short, stir spinules, black, except at extreme base. The gran- ules are slightly conical, without distinct setae.
Third sfttgis. Head rather square, rounded, higher than wide, flattened in front and on the side, cl?peus inconspicuous. Pale green with large white granules and a faint yellow line on each side, ml reaching the vertex; ocelli hlack; width 1.9 mm. Body as before, but the back heavily frosted with white. Lateral oblique lines pale yellow, becoming white dorsally and continued backward in the general white fchade. Feet paler than the body.
Horn spinulose, pale brown, shaded
with black before, behind and at tip, its length 3 mm.
Fourth sfrqe. Head as before; the faint
yellow stripe arises at base of antenna before ocelli and fades out before vertex; width 2.9 mm. Body Icatgrccn, heavily covered with large conical white granules and frosted with white dorsall~. Oblique lines pale yellow, marked with larger granules, obscurely con- tinued along dorsal area by frosted white streaks. Horn with conical granules which are slightly more slender than those on the body and arc tach tipped by a minule seta. It tapers to tip and is marked as before. Spira- cles white with brown center. Thoracic feet reddish, abdominal ones fleshy brown with black line at extreme tip.
FsffS stays. Head slightly depressed at
median suture, rounded, clypeus sublan-
ceolate. Shagreened, green, smooth with
inconspicuous white dots and faint yellowish line not attaining the vertex, marked behind by a faint dark shade. Body smooth, annu- lated; on the posterior edge of joints 2 and 3 an elevated band, thickly studded with smooth white granulation filled in with blackish dorsally. General color soft whitish green, thickly but inconspicuously dotted with white or entirely uniform in color ; becoming yel- low in the fold of skin before and behind the granulated bands and in the suture between joints 4 and j. Lateral oblique lines white, each bordered in front by a distinct, narrow, black line with a faint blue shade above and continued by a white shade to the middle of the dorsum, the last pair reaching the horn ; hut these shadcs disappear later. Horn
gseenish white; black above, below and at tip, smooth, shagreened, without setae.
Thoracic feel whitish with red tinge; ab- dominal ones tipped, with yellow and black, Spiracles brown centrall~, with pale rim. Pupa. Mahogany brown, slii~deci with
blackish, a short, rounded, free tongue case, 8 mm. Cremaster large, flattened with a
short furcation at tip.
Foowmt. Snowberry (S'~~;z;*ftoricarpns
racefuosits'} .




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