LYCAENINAi: : NoMIADKS COUPEKI. . 955 



Secondary sexual peculiarities. Bositlcs the iliHureiice in the colors of the upper 

 surface of tlie wings slunvn in tlic two sexes, the androcouia (46: 28), scattered over 

 the upper surface of tlic winijs, liave a lamina, very regular sliort oljovate in sliapo, tlie 

 breadtli about tliree-fourtlis tlie leujilli, fnrnislied witli eiglit to ten parallel rows of 

 bead-like spots and supported l)y a tapering |)edieel nearly half as long as the lamina 

 (represented too short on the plate) ; the latter al)out .00025 in breadtli. 



Caterpillar. Last staffe. Head very small, brownish black. Body above delicalo 

 pink or llesh color, thickly covered with very short, fine, pink hairs scarcely visible 

 witliout a magnifying glass, a brownish red dorsal line from [second thoracic] to 

 terminal segments, widest and darkest on anterior segments. [First thoracic] seg- 

 ment pinkish anteriorly, with a patch of dull green behind just In front of the dark 

 dorsal line on [next] segment. On each side are eiglit short brownish red lines, those 

 on [thoracic] segments being placed nearly parallel with the dorsal line, those behind 

 extending oblupiely down the sides and edged above with dull white. A lateral line 

 of dull white close to under surface extending on each side from [second thoracic] to 

 terminal segments, fainter on anterior sogments. Under surface greenish .along the 

 middle bordered with piuk, which shades gradually into a pinkish red line, lying close 

 to the white one which forms tlie boundary of upper surface ; [legs] greenish faintly 

 tipped with brown ; prolegs green. [Length, 12.5 mm.] 



Specimens less than half grown have a decidedly greenish tint, with a dark, red- 

 dish brown dorsal line ; the lateral lines witli that close to under surface are of a 

 whitish green with a tinge of yellow; under surface dark green with a brownish red 

 line underlying the greenish white one which borders the upper surface. Half grown 

 specimens are pinkish with a tint of green, as they grow older they gradually assume 

 the delicate piuk of the full grown specimen. (Saunders). 



Presumed to belong to this species. 



Distribution (24:7). Little is yet know^n of the distribution of this 

 ehanuing butterfly, but it evidently belongs to the Canadian fauna and is 

 undoubtedly more abundant in the northern than in the southern^iortions. 

 Most of the localities from wliich it is reported lie near the annual isotherm 

 of 35°. Passing from the east, westward, these are Carbonear Isl., 

 Newfoundland (Gosse), Musquaro (01' W.), other jjarts of southern 

 Labrador and Anticosti (Couper), Godbout River, mouth of the St. 

 Lawrence, common (Corncau), Cacouna on the south side of the St. 

 Lawrence (Saunders), ^lartin's Falls, Albany River (Brit. Mus.), Lake 

 Superior (Geddcs), Lake Winnipeg (Scudder), Brandon, Man. (Geddes), 

 Bow River Country, Rocky Mountains (Geddes), upper Saskatchewan 

 (Geddes), lower Saskatchewan (Scudder), Cassiar trail near Dease 

 Lake, Lat. 58' 23' N., 130' 11 W. (Dawson) and the upper Liard River 

 (Dawson). 



It has never been taken in New England, or indeed in the United 

 States, but the proximity of the locality Cacouna naturally leads us to 

 suppose that it may occur in the extreme northern portions. 



Food plant. The caterpillar, described above by Mr. Saunders, is 

 only conjectured by him, but witli strong probability, to belong to this 

 species ; it was found feeding on Vicia cracca Linn., one of the Legumi- 

 nosae. 



Life history. The memoranda at hand are too meagre to establish any 



