.90 THE CANADIAN ENTOMOLOGIST. 



yellow ; the sub-dorsal band nearly as wide as basal, and same shade of 

 yellow ; the dorsal stripe is dark green, and is edged on either side nar- 

 rowly by yellow ; feet and legs green ; head sub-globose, broad at base, 

 narrowing upwards, a little depressed at top ; roughly tuberculated, the 

 tubercles in vertical rows, conical, each with white hair ; color bright green ; 

 the ocelli brown, except the largest, which is emerald. Duration of this 

 stage 20 days at the least. 



Chrysalis. — Length, male .4 inch, female .5 to .54 inch; breadth 

 across mesonotum, male .16, female .17 ; across abdomen, male .17, 

 female .18 inch; cylindrical, abdomen conical ; head case short, narrow 

 at top and a little convex, the sides excavated ; mesonotum prominent, 

 roundly carinated, the sides somewhat convex, followed by a shallow de- 

 pression ; color pale yellow-green, the dorsal side throughout, and the 

 •ventral side of abdomen, thickly dotted and mottled with whitish ; three 

 whitish stripes along dorsum, one in middle, the others sub-dorsal, and 

 running from end to end ; on the wing cases are three streaks of darker 

 green, the longest in mid-wing and reaching hind margin, the others short 

 and stopping before margin ; there are also some small patches same 

 green ; wing cases next base, the top of head case and keel of mesonotum 

 lined with white. 



Another example was wholly whitish-green, no dark streaks on wing 

 cases and no dorsal bands. 



Others were greenish-black, finely dotted gray ; the three dorsal stripes 

 gray ; the wings black and gray, about equally, running in streaks with 

 the nervules. 



Another was of a dull brown, with no tinge pf green, marked like the 

 last described, but the light parts were of a pinkish-white ; on the wings 

 were three deep black streaks, corresponding to the green ones before 

 mentioned. Duration of this stage 11 to 12 days, 



This pretty little Satyrus was first made known by Mr. T. L. Mead, 

 who took it in Colorado in 187 1. It was described by me in Trans. Am. 

 Ent. Soc, iv., p. 69, 1872, and appended was a note as follows : "This 

 species was first met near the Twin Lakes, in Upper Arkansas Valley, 

 elevation 8,000 feet, in July, 187 1. It flew near the ground, frequently 

 alighting on the sage-brush, and seemed much more partial to flowers than 

 was Satyrus (Hipparchia) Ridingsii, also common in that vicinity. By 

 the latter part of July it was abundant throughout the entire Park and 



