1864.] 447 



2. Atroph. erythrosoma, nov. sp. 



Mdlr. — Antennas, black; head, red; palpi, first article black, second 

 and third bright red; thorax black above, with a broad red dorsal band, 

 and blood red beneath; abdomen bright red, two lateral black spots on 

 the second and third segments; a row of transverse black dashes below, 

 commencing at the base and extending to the anal valves, which are 

 reddish brown; length of body, 1.9o inches; legs, black. 



Wings. Upper surfiice black, covered with a purplish-blue reflec- 

 tion ; the secondaries below the median nervure suddenly become light 

 drab, and are produced in a tooth, a little longer than that of Pop. Emal- 

 thion. 



Below, primaries as above ; secondaries black, a series of six red 

 spots along the outer margin, somewhat resembling those of Emalthion, 

 three near the anal angle, crescent shaped externally, enclosing be- 

 tween themselves and the margin three black spots, the two inner red 

 spots are prolonged interiorly, and contain- two black lunules, the inner 

 one being incomplete; above these, and near the margin three detached 

 spots of the same color, decreasing in size as they approach the outer 

 angle ; the lowest of these last three, has a small spot above it, near the 

 end of its interspace. Expanse 5.88 inches. 



Hah. — Philippines. (In my collection.) 



Pap. Varuna is allied more closely to this unique species than any 

 other member of the genus Papilio, but even from this its nervular 

 system is so very distinct, that no one could hesitate on this ground 

 alone to separate it from Papilio. Another cause for separation would 

 be the large thorax, length of abdomen, and the large anal valves, 

 which seem to connect it with Ornithoptera, but here again, its neu- 

 ration differs so that it cannot be assigned to that genus. 



Possessing thus a portion of the generic characters of each, its pro- 

 per position is manifestly between them. 



I am indebted, not only for this fine species, but for all mentioned as 

 from the locality of the Philippines, to my friend, Mr. E. F. Lorquin. 

 Jr., of San Francisco, Cal. At least half of my Eastern Lepidoptera 

 are from these Islands, although many species are likewise common to 

 China and the Indies. 



PAPILIO Linn. 



3. Pap. Emalthion, Hiibn. 



% Iliades Emalth. Hubn., Samml. Exot. Schmett. II. t. 117. (1806). 



