60 CLARK — NEW SPHINGIDAE 
and sharply truncate before reaching this band, being thus completely sur- 
rounded by a pear-shaped whitish band. Median band light brown, gemi- 
nate, broadening and becoming indistinct toward inner margin. Marginal 
band light brown, and truncate on M1; from this vein to inner margin 
the wing is whitish, dark on the veins and toward distal margin. 
Fore wing beneath: Light brown, unicolorous save for a lighter brown 
marginal area extending narrowly from base of inner margin two thirds the 
distance to hinder angle; a dark brown wavy line extends from a point on 
costal margin 8 mm. from apex to R2, and thence obscurely to inner mar- 
gin, which it reaches 4 mm. from hinder angle; this line is bordered 
distally by a faint whitish band 1 mm. in breadth. White dots of cilia 
between the veins are broader than in D. hylaeus. 
Hind wing beneath: Light brown, with median line single instead of gemi- 
nate; both this and the postmedian lines are less sharply marked and less 
serrate than in D. hylaeus. Dark brown area at anal angle extending to M2. 
Dolbogene manni sp. nov. 
Plate VIII, figure 5. 
Al. ant. long., 7, 25mm. Al. ant. lat., 7, 10 mm. Marg. ext., 3, 
15 mm. 
Habitat. — Guerrero, Mexico. One male in coll. B. Preston Clark, ob- 
tained from the collection of Jacob Doll, where it had long lain undescribed. 
Named for my friend, Dr. W. M. Mann, who has done such successful 
collecting of lepidoptera in Mexico. 
A narrow-winged insect. 
Palpi brown, darker along the eye, irrorated with white. Antennae brown 
above, white beneath, long (15 mm.), and strongly pectinated. Head, 
thorax and abdomen above, uniform dark brown, patagia still darker. 
Breast and legs brown, irrorated with white. Abdomen beneath, yellowish 
white, brown irrorated with yellow at anal tip. 
Fore wing above: Smoky brown with lighter shading. More uniform 
in color than D. hartwegi, and bands and markings more obscure. White 
spot at end of cell. Prominent dark brown area about 7 mm. in length, 
extending from base of wing on inner margin, where it is 2 mm. wide, 
widening and becoming obscure. Irregular dark patch 3 mm. in diameter 
at hinder angle. Prominent postmedian dark brown dash, 4mm. in length, 
between R3 and M1, midway between apex of cell and distal margin. 
