rAMi'llIl.IDI. EUPIIYES METACOMET. 1739 



the iTliixation of those muscles ami the squeezing of the sac by the muscles 

 which encircle it, the fluids, prevented by the valve from retreating the 

 way they came, arc forced down tlie alimentary canal. 



BIBLIOGR^iPHY. 



Burgess, E. The structure and action of a butterfly's trunk. A.ni. iiat., xiv: 313-319. 1880. 



Burscss, E. Contributions to the anatomy of the milk weed butterlly. Anniv. mem. Bost. 

 soc. nat. hist., 18S0. 



Beitenl)ach, AV. Beitrag zur kenntniss des bancs des schmetterlingsrussels. Jen. zeitschr, 

 iiaturw., xv: 151-214, pi. 4-6. 1880. 



Keibach, P. Die muudwerkzeuge der schmetterlinge. 8°. Leipzig, 1883. 



Walter, A. Zur morphologie der schmetterliugsmundtheile. 8'. Dorpat, 1885. 



Table of the species of Euphyes, based on the imar/o. 



Upper surface of wings almost completely uniform, devoid of markings except for the black 

 discal stigma of the male and a pale point or two beyond the centre of the fore wing some- 

 times found in the female ; extremity of upper organ of male alxlominal ap|)cndages broadly 

 cleft on upper aspect to more than its width, the cleft U-shaped ; tip of clasps produced to a 

 sharp angulation metacomet. 



Upper surface of wings with a transverse series of conspicuous vitreous markings in both 

 sexes ; extremity of upper organ of male abdominal appendages broadly cleft on upper as- 

 pect .at about half its width, the cleft V-shaped ; tip of clasps well rounded verna. 



EUPHYES METACOMET.— The dun skipper. 



[Immaculate skipper (Scudder).] 



Hesperia metacomet Harr., Ins. inj. veg., Hesperia kiowah^sak., Proe. entom. soc. 



3d ed., 317(1862);— Morr.,Syu.Lep.N.Amer., Philad., vi : 1.50 (1866). 



Ill (1S62). Pamphila kiowah Streck., Cat. Amer. 



Famphila metacomet ICirb., Syn. catal. Macrolep., 171(1878). 



Lep., 600 (1871);— French, Rep. ins. 111., vii: ^iyiAj/es jreeiacome? Scudd., Syst. rev. Am. 



161 (1878) ; Butt. east. U. S., 326-327 (1.S88) ;— butt., 39 (1872) ; Butt., tigs. 76, ISO (1881). 



Fern., Butt. Me., 102-103 (1884);— JIayn., Butt. 9Hesperia? resifis Boisd., Ann. soc. ent. 



N. Engl., 64, pi. S, figs. 103, 103 a, b (1886). Fr., (2) x: 317-318 (1852);— Morr., Syn. Lep. 



Pamphila rurea'EAw.,V\:oc. nat. sc, 1862, N. Amer., 109 (1862). 

 58 (1862). 



Hesperia rurea Edw., Trans. Amer. Figured also by Glover, 111. N. A. Lep., pi. 



entom. soc, i : 288 (1867). 23, figs. 4, 5, ined. 



Through the valley, through the valley, where the glittering harebells peep. 



Where children come to laugh away their happy summer hours, 

 To chase the downy butterfly, or crown themselves with flowers. 



Eliza Coovi.— Through the Waters. 



Imago (10 : 29, 30). Head covered above with rather pale but dull olivaceous hairs, 

 mingled especially in the ? with some black ones, the tuft on either side of the an- 

 tennae black; hairs and scales encircling all the eye, but the front pale yellow below, 

 bright yellow above. Palpi pale yellow, almost white at base, beyond deepening 

 into lemon yellow, while above, at tip, it is of the color of the upper surface of the 

 liead, sparsely flecked throughout with black scales and provitled rather abundantly 

 along the outer and especially the inner edge of the outer surface with black hairs, 

 which also are found abundantly above ; inner surface dark fuliginous; terminal joint 

 blackish brown, in front excepting at tip olivaceous. Antennae above blackish, be- 

 neath rather pale orange, interrupted at the tip of the joints, especially in front, with 

 blackish, the apex of the club beneath and the whole of the crook naked and dark 

 castaneous, the last joint dusky. Tongue castaneous, slightly lighter apically. 



