PAPILIONIXAE : irillCLIDES A.IAX. 1269 



Dimorphic forms. The above description is ilnnvii up entirely from I. a. ajax. 

 I. A. MARCF.i.i.rs ditlVrs from it in tlie folloAving points: tlic-liristlins; liairs on tlic front 

 of the licad and the softer liairs of the thorax arc noticeably longer and more profuse. 

 Fore wings with the costal border more gently convex, excepting toward the apex, 

 which is more abrnptly curved downward ; outer margin of $ with two exceedingly 

 slight, convex curves divided by the middle of the upper median interspace; of the ? 

 the same, but even less conspicuously so. Tail of hind wings no broader than half an 

 interspace, and if doubled back, the tip not reaching the tip of the cell. As to the 

 markings of the upper surface, the paler bands are noticeably broader, the black 

 stripes crossing the cell of the fore wing occasionally stopping at the subcostal ncrv- 

 ure instead of extending to the nnirgin, and the black stripe dividing the upper part of 

 the outer broad band sometimes reduced to a mere patch. Some sign may usually be 

 seen of the extra white stripe of the upper surface ; on the hind wings the two car- 

 mine spots are almost invariably of equal size, always connected and but little or not at 

 all constricted at the point of union, forming a sinuous bar; occasionally traces of the 

 other carmine spots of the lower surface may be seen above ("subvar. abbottii" of 

 Edwards) , but the white stripe next the inner border, on the other hand . has become but 

 a powdery streak. Beneath, the mtirkings scarcely difler from their appear.ance in 

 I. a. telamonides, unless it be in the slightly greater extent of the pale markings, and 

 especially of the broad areas. 



I. A. TELAMONIDES ditfers fi'om the typical I. a. ajax in the following particulars ; the 

 projecting hairs ou the front of the head as also those ou the thorax are slightly 

 longer. Fore wings with the costal border less regularly arched, being rather less 

 full in the middle and more curved in the apical third ; the outer margin of the $ is 

 almost straight above the middle median nervule, below which it falls off a little; in 

 the ? there is a slight fulness to the lower half, but otherwise it does not differ from 

 the $ . In the hind wings it differs only in the tail, which is scarcely more than half as 

 broad as an interspace and if doubled upon itself the tip would not reach the second 

 divarication of the median nervure. As to the coloration of the wings, the general 

 effect of the upper surface is lighter, from a slightly increased breadth to all the pale 

 markings, while at the same time their boi-ders, especially above the median nervure, 

 are better defined in both wings. Upon the hind wings, the second carmine spot in the 

 lowest median interspace is never absent and is usually almost as large as the outer 

 one, in the form of a round spot or a reversed lunule, ordinarily combined with the 

 outer spot to form a sinuous band constricted in the middle. The hoary scales which 

 border the tail seldom extend more than half way toward the base, except as the 

 merest line, but they usually reach that point. Beneath, the differences are exactly 

 similar to those of the upper surface ; in particular the pale stripe within the outer 

 greenish white band is distinctly broader than in I. a. ajax, and, it should be remarked, 

 not infrequently makes its presence known upon the upper surface, the subraarginal 

 lunules with tlieir accompanying white bars are more conspicuous, less frequently 

 curved and in poorer alignment than in I. a ajax. 



Malformations. Edwards states (Psyche, iii : 114) that he has reared a specimen 

 of I. a. ajax which came from the chrysalis "perfect, except that there was no trace 

 of one hind wing." And Riley records in his notes that he once obtained a chrysalis 

 with the larval head still attached. 



Egg (66 : 5). Surface broken up into minute, rounded, pentagonal cells of not very 

 unequal diameter, averaging about .025 mm. over the whole egg, faintly marked. 

 The shell appears to be very thin, to be wanting in any glutinous secretion and smooth. 

 According to Dr. Riley it is "pea-green when first laid, gradually approaching 

 to black." Height, .85 mm. ; breadth, 1.05 ram. 



Described mostly from specimens in alcohol sent by C. V. Kiley. 



Caterpillar. First sta/je (73 : 12). Head brownish piceous, the mouth parts pale at 

 base, beyond of the color of the head. Body dull plumbeous, mottled irregularly and 

 faintly on the sides witli livid tints in short longitudinal streaks. Legs dusky above; 

 prolegs concolorons with body or a little paler. Warts dusky with pale brown hairs 

 Spiracles dusky in a pale field. Lips of osmaterial cleft dnsky. Length, 3.5 mm. 



