April 189S.J 



PSYCHE. 



197 



in male, plainly evident in female; median 

 carina distinct on metazona, obsolete or but 

 faintly visible on prozona; disk a uniform 

 dark brown in two specimens, the prozona 

 blotched with fuscous in the remaining two; 

 the lateral lobes with a piceous band on their 

 upper two-thirds which extends to metazona, 

 then setting in again on meso-pleurite con- 

 tinues about half the length of the abdomen, 

 gradually fading posteriorly; bordered below 

 on cheek and prozona with pallid, or testa- 

 ceous in female, (ivory white in life, as is 

 also the meta-pleurite). Tegmina uniform 

 dark wood brown, narrowly separated dor- 

 sally, a very little shorter than proiiotum, oval 

 in outline, breadth \k in length with apex 

 subangulate; broader in female, breadth \\ 

 in length with apex rounded. Hind femora 

 light testaceous on upper and outer faces, 

 faintly and obliquely bifasciate with fuscous ; 

 yellowish on inner and lower faces with the 

 fuscous bars plainer on the former, genicula- 

 tion blackish. Hind tibiae pale red, the 

 spines black, ten in outer series. Extremity 

 of male abdomen entire, moderately recurved ; 

 supra-anal plate triangular, a little longer 

 than broad, the sides rather high, the median 

 sulcus narrow, shallow, and terminating near 

 the middle of the plate; the furcula consist 

 of a pair of short, flattish triangular projec- 

 tions of the inner corners of the divided 

 lateral halves of the last dorsal segment and 



overlie the basal portion of the median sul- 

 cus; cerci styliform, a little shorter than the 

 supra-anal plate, tapering strongly on basal 

 half, gradually on apical half to the rather 

 blunt apex. 



Female, moderately robust, with colors 

 duller than in the male. 



Average measurements: Length of body, 

 male, 15 mm., female, 20 mm.; antennae, 

 male, 7 mm., female, S mm. ; tegmina, male, 

 4 mm., female, 5 mm.; hind femora, male, 

 9.5 mm., female, 11 mm. Three males, one 

 female, La Salle Island, Michigan, August 

 17, 1S97. 



Two or three males of islandicus 

 were taken from shady places about the 

 bordefs of the clearuig, in which hitrofii 

 was fotiiid, bat the remaining six or 

 eight secm'ed were found along the 

 margins of a narrow pathway which 

 led through the dense woods down the 

 eastern slope of the island. They 

 would leap from the pathway into the 

 inosses and liverworts bordering its 

 sides, and there remain quiet while the 

 intruder passed by. None were found 

 at a distance of more than ten feet from 

 this pathway, though especial search 

 was made for them. 



SOME NEW BYTHOSCOPINAE WITH NOTES ON OTHERS. 



BY C. F. BAKER, ALA. POLYTECHNIC INST. AUBURN, ALA. 



Bythoscopus fagi Fh. darker. The last ventral segment is 



slightly shorter than preceding and 



This is as good a species as any, and very broadly bilobed. I have a num- 



occurs sparingly throughout the north- ber of males and females from ■■ the 



east. It is small, length about 4 mm., vicinity of Washington, D. C, and 



the females rufous throughout, paler have seen others from Nevv^York and 



below, the males with the elytra nitich Massachusetts. 



