64 JOHN B. SMITH. 



cies that is easily recognizable and obviously distinct from any allies. 

 The variation is scarcely appreciable and the chocolate-colored head, 

 thorax and base of primaries are characteristic. 



The primaries are moderately elongate, trigonate, outer margin 

 oblique, convex, apex marked. Secondaries with 8 and 4 forking a 

 short distance beyond the cell, 5 weaker than the others, arising 

 from a short spur from the median. 



Acoiitia major n. sp. 



Head mostly brown, posteriorly white marked. Collar white. Thorax else 

 brownish jrray. Abdomen with a yellowish tinge. Primaries broadly wliite in 

 the costal I'egion, extending to the middle of the s. t. space, where it is squarely 

 terminated. This shade may be uninterrupted, or it may have on the costa 

 small black marks at the inception of the median lines. The lower half of the 

 wing is gray-brown, more or less violet tinged to the t. p. line. At the apex is a 

 quadrate patch of gray-brown, marked by black and blue scales, and between 

 these dark shades is a gray irregular mottling. Lower half of subterminal and 

 terminal spaces white, more or less gray mottled. T. a. line indicated by black 

 scales through the dark portion of the wing. T. p. line marked in a fragmen- 

 tary way opposite the cell and more evidently by black interspaceal lunate 

 marks in the dark .shading. S. t. line marked by black and blue scales in the 

 dark apical patch, then lost in the white, or imperfectly defined by gray shad- 

 ings. A series of prominent, black, interspaceal, terminal marks. Fringe gray 

 at hind angle and at apical third, but mottled with white; elsewhere white. 

 Orbicular a small black spot. Eeniform small, gray, laterally black marked. 

 Secondaries yellow tinged, with a smoky outer margin, which is broad on the 

 costa and narrows to nothing at the anal angle. Beneath, primaries with disk 

 blackish, margins irregularly yellow; fringes cut with bla(-kish at apex, at one- 

 third from that point and at the hind angle. Secondaries uniform yellow. 



Expands 26-29 mm. = 1.05-1.16 inches. 



Hab. — Colorada, without definite locality. 



Two females from Dr. Barnes. It is probable that the the range 

 of variation is greater than indicated in the two examples, but I 

 have seen no others. The primaries are .somewhat elongate, tend- 

 ing to subparallel, apices marked but scarcely prominent. In the 

 secondaries vein 5 arises directly from the median at the end of the 

 cell, is moderately strong only, and 3 and 4 fork about one third of 

 the distance toward the outer margin. The body is robust, the head 

 seeming, proportionately, to be rather small. 



Acwiilia cvpolita Grote. 



1882, Grt.. Papilio, iii, 131, Tar ache. 



1S9.3, Smith, Bull. 44. U. S. Nat. Mus., 298, Avontia. 

 Head and collar white, thorax gray, a little mottled. Abdomen yellow- tinged. 

 Primaries with costal region white or creamy, unbrokeu to the s. t. line. Ke- 

 mainder of the wing gray, except the lower half of the terminal space and the 



