176 i'lIE 15UTTEKFLIES OF XEW EXflLAND. 



tion. discoiiiiecting tlic front uiul occipiit. their bases meeting eacli other on one side 

 and tlie edges of the flanks on the otlier; a vei\v little longer tiian the al)donien, coni- 

 jjosed of forty-two or forty-three joints, increasing a little and very gradually in size 

 on the apical fourth, the last three or four joints diminishing again, terminating in an 

 abrupt cone, the club l^eing more distinct than in Oeneis or in Cercyonis; transversely 

 circular, the clul) a little depressed and furnished beneath Avitli a scarcely perceptible 

 median furrow, edged by slight carinations. Palpi slender, scarcely twice as long as 

 the eye, compressed, the apical joint one quarter as long as tlie preceding; excepting 

 the apical joint profusely tufted Ijeneath Avith long, above with short, hairs, all com- 

 pacted in a vertical plane. 



Prothoracic lobes very small and delicate, beneath appressed to a mere pellicle, 

 above suddenly expanding into a ti-ansverse, cylindrical, bulbous mass, someAvhat reni- 

 form Avhen viewed from the front, but otherAvise nearly eiiual, the ends well rounded, 

 the sAvollen portion nearly as long as high and three times as broad as high. Patagia 

 but little convex, Avith the posterior lobe more than twice as long as broad, tapering 

 rapidly on tlie basal half, then but slightly to the rapidly tapering rather blunt point. 



Fore Avings (88 : (3) considerably produced at the apex ; costal border almost straiglit 

 near the base, the outer tAVO-thirds very regularly but not greatly arched ; outer border 

 slightly convex in the upper half, straight beloAv; inner border straight, the loAver 

 outer angle rounded oft' a little, ])ent at rather more than a right angle. Costal nervure 

 slightly sA^'ollen at tlie base to a distance equal to the Avidth of the cell ; first tAvo 

 superior l^ranches of the su))costal nervure arising close to the tip of the cell, the latter 

 a very little less than half as long as the Aving and about tAvo and a half times as long 

 as l)road ; median and submcdian nervures not enlarged at base. 



Hind Avings Avitli the costal margin pretty strongly convex l)ut Avith the middle half 

 a little depressed ; outer Ijorder slightly crenulate and slightly angulate at the upper 

 median nervule, the upper half being scarcely concave, the loAver scarcely convex, at 

 the loAvest retreating rapidly to the inner border; inner margin a A^ery little cuiwed, 

 the loAver outer angle broad. The nervule closing the cell strikes the median nervure 

 a little before its final divarication, and the subcostal at the termination of the basal 

 curve of its last branch; first median nervule originating opposite tlu' middle of the 

 basal curve of tlie last subcostal nervule. 



Fore legs very small, cylindrical, the tibiae nearly one-third the length of the hind 

 tibiae; tarsi of the same length as the tibiae, either composed of tAvo joints, the apical 

 hardly one-fourth the length of the basal, and apically tapering to a prong-like point ( (J ) , 

 or, consisting of five joints, of Avhich the first is tAviceaslong as all the othei's together, 

 the rest nearly equal, all but the terminal furnished beneath at the tip Avith a A-ery short 

 and slender, scarcely tapering spine ( ? ) ; leg otherAvise AA'lioUy unarmed excepting by 

 long and delicate hairs, expanding laterally and directed forAvard, much more abun- 

 dant in the $ than in the $ ; middle tibiae five-sixths the length of the hind tibiae, both 

 furnished on either side of the under surface Avith a roAv of scarcely erect, forAvard 

 directed, slender and short, infrequent spines, the apical ones forming very long and 

 slender spurs ; tarsi liaA'ing the first joint fully half as long as the AA'hole tarsus, the 

 second, third and fourth decreasing slightly in length in tlie order mentioned, the fifth 

 equal to the second ; their Avhole under surface covered prof nsely Avith long and slender 

 spines: chiAvs strongly and regularly curved, slender, compressed, delicately pointed; 

 pulvillus quite small, broader than long, almost semi-circular; paronychia composed of 

 tAvo members : an upper, shaped and curved like the claAvs and of the same length ; and a 

 loAver. forming an equally slender but short, incurved strap, both delicately fringed. 



Male abdominal appendages : upper organ rather stout, but compressed, the centrum 

 slightly arched above, rapidly narroAving at the base of the hook, Avliich is nearly 

 straight, bent strongly doAvuAvard, greatly and equally compressed, as long as the body, 

 jiointed at the tip; sides of the l)ody furnished at their upper limit Avith a single slen- 

 der, tapering, compressed, laterally arcuate, backAvard directed appendage, nearly as 

 long as the hook. Clasps very long and very slender, being longer than the upper or- 

 gan and scarcelv more than one-sixth as Inroad a'^long. narroAving gradually in the mid- 



