247 



scribed. An ^geria^ with pectinated (!) antennae was an- 

 other of the novelties discovered, and the singular ^geria 

 caudata^ with a pencil-like brush at the end of its body, half 

 an inch in length. I got also specimens of Limenitis Arthe- 

 mis, which is peculiar to that region, and is found only where 

 Mupatorium ageratoides occurs. 



HARRIS TO MISS MORRIS. 



Cambridge, Dec. 16, 1854. 



Since the publication of my Catalogue [of the Sphingidce], I 

 have obtained only one species not included therein, namely, the 

 Sphinx Brontes of Drury, figured by the latter, and also in the 

 Species G^n^ral des L^pidopteres of Dr. Boisduval. I have ob- 

 tained some larvse of Sphinges, which I had not seen before mak- 

 ing the Catalogue ; and have now in the chrysalis state a lot of a 

 very extraordinary kind, from which I hope to get the winged 

 insects next spring. They were taken on the common Creeper, 

 Ampelopsis quinqiiefolia, in Waltham, last August, by my for- 

 mer pupil and friend, Kev. Thomas Hill. They differ from 

 most of the larvae of Sphingidce in not having any horn at the 

 hinder extremity, nor any oblique lines or spots on the sides 

 of the body. I suspect they will turn out to be the larvae of 

 Tliyreus nessus. 



I come to your specimens, male and female, of the saddle- 

 back moth, Limacodes ephippiatus [PL i, figs 7, 8], as I pro- 

 pose to call it {ephippiatus being the Latin for equipped with a 

 saddle). Last year Prof. J. P. Kirtland of Cleveland, Ohio, 

 sent to me a small lot of insects, among which was a small and 

 imperfectly developed male of this Limacodes^ being the first 

 one of this sex that I had seen. 



Having both sexes, I was pleased to find that the insect was 

 congenerical with Hiibner's Streblota nesea from Brazil, both 



