SIXTH ANNUAL REPORT 



stripes varjing much in thickness, and tlie spots in size and conspicuity. The orange 

 frequently quite deep, inclining to fulvous. The hairs from some of the spots quite ob- 

 solete, and not generally longer than the width of the orange bands. When young the 

 color is pale yellowish-green, with no black bands and no spots on the head. These 

 subsequently appear, and are, with the venter, at first vinous-brown, and only in the 

 last stage are they pure black. It spins a web, especially when young. 



Described from many specimens found feeding on Ampelopsis, and from others 

 found feeding on Vitls by Mr. VVm. Saunders and Mr. J. K. Muhleman. 



The description in Packard's Ouide (p. 282) must, I think, have been made from 

 some other larva, as there is nothing approaching " fascicles of hairs " in grata. 



Chrysalis. — Dark brown, finely granulated. " Fifth to seventh rings of abdomen 

 separated by deep sutures, while the surface of each ring is flat, not convex, with two 

 rows of small teeth ; lower down on the sides of the body are four tubercles, being the 

 remnants of the two middle pairs of prop legs. The remaining rings are less angu- 

 lated. The tip of the abdomen is obtusely conical, ending in four tubercles, the pair 

 above long and truncate, those below broad and short. On the under side are two 

 minute approximate tubercles." — Packard. 



8. THE PEAPvL WOOD l^YM'Pll—Eudryas imio, Hubner. 

 (Ord. LupinorxEitA ; Fam. Zycenid.k.) 



t^'^'J^'- -^l As was long;i.^o remarked by Dr. Fitch, this 



worm so closely resembles that of the Beauti- 

 ful Wood Nymph "that we know not yet 

 whether there are any distinguishing charac- 

 ters between them." Suchis actually the case ; 

 Ki.DuvAsuNio:-Maie iiK.i!.. and it is difficult if not impossible to deter- 

 mine the species in the larva state. Dr. LeBaron* has attempted to do 

 so; but it is very evident that he has mistaken for this larva that of 

 Psychomorpha einmenis, which I once thought there was reason to 

 believe was itnio I have not seen living specimens, but upon compar 

 ing with grata two alcoholic specimens kindly loaned for the purpose 

 by Mr. J. A. Lintner, of Albany, N.Y., who found them feeding on Epi- 

 lohium coloratum^ I can discover nothing which will enable us with 

 certainty to distinguish the two species, unless it is the smaller size, the 

 lesser prominence of the hump, and greater paleness medio ventrally, 

 in wiio. Mr. Lintner informs me that he thinks he could distinguish 

 this last by the heavier markings in black (broader bands and larger 

 spots) and especially by a blackish shade over the prolegs. Bat none 

 of these characters, unless it be the lesser size of the hump, are suf- 

 ficiently constant to be of any distinguishing value; for as, in grata ^ 

 they vary in different individuals and according to age, they will 

 doubtless be found to vary in a similar manner in ujiio; and I have 



* Prairie Fanner, dwwc'i, 1S71, Mini Aiij;'. 2, 1873. 



