240 THE CANADIAN ENTOMOLOGIST. 



white above, abdomtn fuscous. Head protuberant in front, with saucer- 

 shaped depression in centre. Palpi brownish. Legs dusky externally, 

 whitish within. Male as female, except hind wings above and below are 

 paler and there is a second spot on costa at base. This species differs 

 from septenipiindata in the fuscous abdomen, darker secondaries, and 

 especially in the wide exsertion of the second spot beyond cell. 



Type : ? , VVilgus, Cochise Co., Arizona. A , So. Arizona. The 

 latter from Mr. Poling. 



Grotella tricolor, n. sp. — Expanse : 20-23 mm. 



Palpi yellowish below, whitish on top. Head yellowish in front, 

 white on top, vertex white. Antennae white at base and on upper surface, 

 beneath yellowish. Collar white. Thorax white, with dark spot at 

 inception of costa. Abdomen dark yellowish-brown. Primaries white, 

 maiked with dark brownish black spots, in some of which yellowish-brown 

 scales are mixed. There is a spot on costa, marking the position of the 

 basal l.ne. A row of spots representing the t: a. line ; these are 

 arranged in a slight curved line across the wing. In all the specimens 

 before me these are four in number, one on costa, one close to inner 

 margin, and one on each side of the median band; of these, the one on 

 costa and the one below median vein are the largest. In two specimens 

 the spot below median vein is elongated. Probably when more material 

 turns up specimens will be found in which these spots are more or less 

 fased. There is a spot on costa, over cell, which may be considered as 

 the remains of a median shade ; this is quite large in two specimens, but 

 very much reduced in the third. A quite well marked discal spot at end 

 of cell. The t. p. line is well marked, and consists of a series of blotches, 

 irregular in size, which show a tendency to coalesce. The line as a whole 

 is broadly exserted over cell, and incurved from thence to inner margin. 

 It is followed by a yellowish shade, somewhat broken and irregular. 

 Beyond the shade is another row of irregular-sized spots, parallel to the 

 outer margin. These spots vary in size, and while irregularly round they 

 are not clearly defined in outline. Taken as a whole the effect in this 

 part of the wing is of a well-marked yellowish-brown band, bordered on 

 both sides by dark spots. The fringe is long, black at base and at outer 

 edge. It is cut by a mesial white line and white-lined veins into a double 

 row of black patches, the inner row of which is remarkably distinct, the 

 individual spots being very even in size and shape; the outer row only 

 obtains as a slight dusky discoloration. Secondaries blackish in both 



