129 



Two abbreviated transverse lines very near together, at the 

 inner extremity of which is an irregular ferruginous spot. 

 The nervures beyond the middle are faintly ferruginous, the 

 second, third, fourth, fifth and sixth, with a black spot a short 

 distance from the anterior maro;in. Posterior wins; with the 

 anterior margin and disk bluish, a white spot bordered inter- 

 nally and beloAV with black, close to which is a red spot. The 

 posterior, and part of the inner margin, is straw-colored, widest 

 towards the anal angle, where are two narrow dark lines. 

 Between this yelloAvish margin and the blue of the anterior 

 margin is a black spot, crossed by four yellowish nervures. 

 Head, thorax and abdomen, dull olive green, quite uniform 

 throughout. Antennse yellowish. Tail as in the annexed -^^ 

 drawing. There is another drawing, I believe, repre- ^v^ 

 senting its lower surface. This is pale ferruginous, or '^" ' 

 buff, with a dark cloud and white central spot on the anterior 

 wings, the margin clouded with a darker hue. D. Uneata; 

 several specimens from Wilmington, Del. D. Chamcenerii I 

 do not know. 



Of Pterogon gaurce^ there is one specimen collected by Abbot, 

 now in our Club Cabinet. It differs from his drawing of the 

 male in having the wings less pointed, and being rather duller 

 colored, probably faded. 



Thyreus nessus ; one specimen, Trenton Falls. 



The only Sesia I have is Pelasgus, from Wilmington and 

 Trenton Falls. Abbot represents the larva on a Viburnum? 

 I think, V. prunifolium. It is pale green, spotted finely with 

 white. A stripe down the back, a transverse line, eight spira- 

 cles, the feet red and a nearly white lateral stripe. Pupa 

 nearly black. 



Trocliilium. Of this genus I have one species, a very worn 

 specimen. It is, I think, T. tibiale, but has the last segment 

 yellow. Your tipuliforme I think is not ours. I have three 

 species you do not mention. In Abbot's drawings are two 

 species I do not know, probably both Trochilia. Of one, c? , the 



OCOAS. PAPERS B. 8. N. H. — I. 9 



