OP ARTS AND SCIENCES. 245 



and no tail. Egg and Caterpillar at birth : Unknown. Mature Cat- 

 erpillar : Coronal spines of head strongly clubbed apically. Spines 

 of body terminating in only three spinelets; transversely striped 

 on the sides with three or four stripes to each segment. Chrysalis : 

 Dorsal ridge terminating on the abdomen at the posterior limit of 

 the saddle; alar ridge subobsolete; dorsal spines at anterior edge 

 of abdominal segments ending in a whorl of four or five spinelets. 

 (torcup, orie who knows; see preceding genus : allusion obscure.) 



Historis orion" Fabr. (Aganisthos o. Bd.-LeC. ; Pap. odius 

 Fabr. ; Pap. danae Cram.) Butterfly : Upper surface of wings 

 blackish brown, the hind wings more or less fulvous at base, the fore 

 wings with a very large bright fulvous patch occupying almost the 

 whole of the basal half of the wing, and extending as a blunt sub- 

 triangular offshoot into the middle of the distal half nearly to the 

 margin; a small preapical ovate whitish spot next costal margin. 

 Under surface rich dark olive-brown, crossed just within the middle 

 by a broad finely black and blue edged lighter band which broadens 

 toward each border, and somewhat similar more basal markings, 

 besides scattered lilac neckings next the middle of the outer border, 

 marginal and broad on the fore wings, narrow and submarginal on 

 the hind wings; other fainter clouded lines. Expanse 120 mm. 

 Mature Caterpillar : Clubbed coronal horns of head beset with 

 thorns. Body green, with dark transverse stripes, of which the 

 anterior of each segment is broader and darker than the others, 

 which are more or less interrupted. Length 75 mm. Feeds on 

 Cecropia. Chrysalis: Frontal tubercles granulated; joints of 

 distal half of antennal cases each w r ith a small conical tubercle. 

 Body longitudinally striped with darker and lighter colors. 

 Length 55 mm. — S. Florida; rare and accidental visitor. 



Tribe TYMETINI. 



Butterfly: Rather slender bodied, with short abdomen. An- 

 ternnae long and slender, feebly scaled, the club rather slender, 

 elongate, gradually incrassate; both club and stalk bicarinate be- 

 neath interiorly. Palpi rather slender and elongate, triquetral, 

 apically tapering to a blunt point, the last joint rather short and 

 not very slender. Wings ample, the fore pair broadly produced at 

 the apex, sometimes falcate, the hind wings subtriangular with a 

 distinct anal lobe and an elongate blunt tail at the upper median 

 nervule; cell of both wings open; subcostal and median veins of 



