1614 THE BUTTERFUES OF NEW ENGLAND. 



ATHYTONB LOG-AN.— The sachem skipper. 



Uesperia logan Edw., Proc. ent. soc. Atn/lone delaware Edw., Syn. N. A. hint.. 



rhilad., ii : lS-19, pi. 1, fi.i;. 5 (1863) ; Trans. 44 (.July, 1872). 



Amcr. ent. soc, i:288 (1867). Famphila delaioareEdw., Cat. Lep.Amer., 



Pamphila logan Kirb., Syn. cat. Lep., 607 54 (1877) ;— French, Butt. east. U. S., 342-343 



(1S71). (1886);— Mayn., Butt. N. Engl., 59, pi. 7, figs. 



Atrytone logan .Scudd., Syst. rev. Amer. 90, 90a (1886). 



butt., 56 (April, 1872). Pamphila vitellius Streek., Cat. Amer. 



Isoteinon logan Hew., Cat. coll. diurn. Macrolep., 171-172 (1878). 



Lep., 228 (1879). ' Pupilio Abb., Draw. ins. Geo. Brit. 



Uesperia delaware Edw., Proc. ent. soc. Mus., vi: 90, dgs. 130-132 (ca. 1800). 



Philad., ii: 19, pi. 5, fig. 2 (1863). Figured also by Glover, III. N. A. Lep., pi. 



Thymelicus delaware Kirb., Syn. cat. Lep., G, figs. 4, 6, ined. 



610 (1871). [Not Papilio vitellius Fabr.] 



Across the fields, inconstant as the air. 

 The butterfly flits on her aimless way. 



K. B. Wilson.— /)i September. 



Above all human praise 



The hands of Heaven shall raise 



A muiiunient of fame, 



On which the noble name 



Of Logan shall be ti'aced, 



And never be effaced. 



TwPAy.—Hesperia. 



Imago (17: 17, 19). Head covered above with bright, tawny hairs, with a few 

 slightly paler and sometimes a few Wackish hairs ; within and without the antennae a 

 small tuft of black hairs ; encircling the back of the eyes and below them a series of 

 whitish straw yellow scales; palpi with the first joint whitish straw yellow; second 

 joint lemon yellow, paler at base, brighter at tip, and having, as viewed from above, a 

 fulvous tinge ; the outer half of the upper surface, which is appressed to the face, 

 and the upper portion of the inner surface black, and a line of a few scattered black 

 hairs follows the front lateral edge ; last joint black, the under surface a little yellow. 

 Antennae pale lemon yellow, the joints of the stem narrowly interrupted at the tips 

 below with black, the upper outer surface mostly, the joints toward the club flecked a 

 little with yellow ; club black above, excepting two or three of the basal joints, whicli 

 are orange, black tipped; beneath mostly pale yellow, merging into orange, the crook 

 naked, dark castaueous, the apical joint blackish. 



Thorax covered above with bright, tawny hairs, tinged with olivaceous, excepting 

 on the prothorax and patagia. Beneath, the hairs are rather pale yellow, tinged 

 with fulvous toward the base of the wings. Femora pale lemon yellow, whitish above ; 

 tibiae and tarsi pale orange, the tibiae paler beneath ; leaf -like appendage dusky ; spurs 

 pale orange, minutely tipped with testaceous ; spines testaceous; claws reddish; pad 

 (and paronychia) blackish fuscous. 



Wings above bright tawny, brighter in the (J than in the ?. Fore wings with all 

 the veins, excepting in the ^ and sometimes in the $ ,the costal nervure and the basal 

 half of the subcostal nervure before Its divarication, distinctly traced in blackish, the 

 median nervure as far as its divarication much more heavily than the others, especially 

 in the $ , where the bordering becomes a patch ; the outer limit of the cell Is also 

 traced distinctly, in the $ heavily, with a transverse, oblique black streak, followed in 

 the 9 and often in the (J by a blackish tri.angular cloud, reaching fully half way to 

 the outer blackish bordering; outer margin of the wing broadly and pretty uniformly 

 bordered, to about the width of an interspace in the $ , to half as much more in the 

 ?, with blackish; this bordering has a curved and not a creuulatc interior margin, 

 excepting sometimes in the J , and at the apex of the wing curves around to the tip of 

 the costal nervure, where it terminates in a point; below, it is often broader iu the 2 • 



