291 



of yellow ; a large fuscous spot above each of the feet, and a similai' one 

 in the same situation on the intermediate segments, feet all pale yellow. 

 Abbot's figure does not agree with our caterpillar, but the moth is the same. 



Aug. 20, 1828. Larva found on the buttonwood. Length over one inch 

 and a quarter. Similar to the pi-eceding in form, tufts, etc., but differ- 

 ing in colors. Body white above and beneath. Twelve black tubercles, 

 transversely oval, placed in each segment in two series as in the figure. 

 From the tubercles diverge I'adiated tufts of yellowish 

 white, barbed hairs; the tufts of the four superior tuber- 

 cles coalescing and truncate above. Second segment 

 with six white and two ferruginous plumes, namely, two 

 dorsal, white ones, on each side of which is a ferruginous 

 pencil, and below this two white ones ; third segment 

 with two white and two ferruginous plumes, viz., two dorsal ferruginous, 

 and one white below these on each side; eleventh segment with two white 

 plumes. Head jjale ochreous, or ferruginous; lip and base of palpi white. 

 Feet and prolegs pale, or dirty white. Rolls up when handled. 



Cocoon Aug. 12, 1828. Oblong oval, composed of the hairs interwoven 

 with a very little silk. Perfect insect came out June 18, 1829. 



Orgyia leucostigma Sm.-Abb. 



Larva found on the willow, rose bush, Celtis and Carya, Aug. 30, 1821. 

 Another was seen on a rose bush, July 31, 18.21, its cocoon was formed and 

 it became a chrysalis, August 3, 1821 ; the perfect insect came out, August 

 12, 1821. 



Cocoon double, very thin, interwoven with few hairs, July 19, 1828. Im- 

 ago July, Aug. and Sept., 1828. Female apterous. Eggs deposited upon 

 the cocoon in August. 



Orgyia sp. 



Probably the same as the above. Found on plum trees, Sept. 25, 1841 ; 

 some very large (females) , others moderate in size. Slate gray; a broad 

 black dorsal stripe, a bright yellow line on each side of the black stripe, be- 

 ginning on the eighth ring and continued to the tail, and a narrower, inter- 

 rupted, yellow line on each side of the whole body, bordered above with 

 black just below the sph-acles ; three yellow tubercles emitting spreading 

 clusters of yellow hairs on each side of the rings, four smaller tubercles in a 

 transverse row with yellow hairs on the top of the second and third rings, 

 two on the top of the eighth, ninth, and tenth rings; on the two latter a 

 coral red wart; on the eleventh ring a lai-ge pencil of brownish black hairs 

 the longest of which are dilated at the end ; top of the first ring carmine red 

 with a pencil of blackish hairs of unequal length, and dilated at the tips, on 



