10 THE CANADIAN ENTOMOLOGIST. 



Natural History, somewhat teneral with red antennas, bears the label : 

 " From Pyrrharctia Isabella, Apr. 24." 



Altogether, I have examined about seventy-five specimens, from New 

 England, New York, Pennsylvania, North Carolina, Indiana, Minnesota, 

 Montana, Colorado, Wyoming, Northern and Southern California. 



GONIA SENILIS, n. sp. 



^ . Length 10 ni.m. Front and face golden yellow, not very change- 

 able, the vertex on either side sub-translucent when seen from above ; 

 sides of the face considerably narrower than the median depression, 

 clothed with short black bristles. Antennae wholly pure orange-yellow, 

 the tip of arista brownish, second joint very short, third very long, six or 

 eight times longer than the second ; second joint of the arista shorter than 

 the third. Thorax not densely pollinose, when seen from behind, with 

 four slender stripes, scutellum luteous at tip only. Abdomen black, the 

 sides broadly red, forming a moderately broad lateral posterior margin to 

 the first and reaching to about the middle of the third segment on the 

 sides ; pollinose bands broad. Wings nearly hyaline, anterior cross-vein 

 nearly opposite the middle of the subcostal section of the costa. Claws 

 and pulvilli small. 



One specimen, Western Kansas. Although I have but the single 

 specimen, I venture to describe this species. The color of the antennae 

 seems evidently normal ; should it really be darker in other specimens, 

 however, the other characters given will, I believe, render the species 

 recognizable. 



GoNIA PORCA, n. sp. 



^. Length 13 m.m. Face and front light yellow with a silvery 

 sheen, the front, except in a very oblique light, oily translucent on the 

 sides ; sides of the face without the usual short black bristles, except 

 above ; the largest part, as also the cheeks, is clothed with long fine 

 hairs or pile ; the usual row along the sides of the median depression. 

 Median depression wider than the sides of the face below. Antennae 

 black, the third joint five or six times longer than the second ; second 

 joint of the arista shorter than the third. Dorsum of thorax thinly pol- 

 linose, stripes not very distinct ; the sides more or less and the scutellum 

 luteous yellow. Pleurae with long fine yellow hairs or pile. Abdomen 

 yellowish red, shining ; pollinose bands narrow, that on the second very 



