NATURAL SCIENCES OP PHILADELPHIA. 15 



nal portion of the wing ochreous yellow, with a blackish, subterminal band, 

 and the nervules blackish ; the hinder margin bluish black, and the cilia deep 

 fuscous. Hind wings with a black discal patch ; nervules blackish, and hinder 

 margin blackish. Under surface of the body ochreous yellow, with a bluish 

 black patch on each side of the second abdominal segment. The middle and 

 posterior tibia annulated with bluish black at their ends, the anterior blackish, 

 with the coxae touched with reddish orange. All the tarsi touched with 

 blackish above. The larva bores the trunk of the maple. 



Note. In the November number, 1859, the following corrections should be 

 made : 



In the first line of the note on p. 317, preceding should read succeeding. 

 In Divsion II., of the Table of species, on p. 318, an should read no. 

 On page 327, for vitcgcnella read vitigenella. 



Appendix to the paper entitled New Genera and Species of North American 



Tipulidae with short palpi, &c. 



BY R. OSTEN SACKEN. 



The following are some additions and corrections to my paper, suggested by 

 the examination of the entomological collections of the British Museum, the 

 Jardin des Plantes, and the Museum of the University of Berlin, as well as of 

 some private collections. 



The British Museum afforded me the desired information about the Lim- 

 n o b i ae described by Mr. Walker in his " List of Specimens, etc." 



L. simulans Walk, is my Dicranomyia defuncta. Mr. Walker, (1. c. 

 p. 45) describes this species as "pale yellow, legs yellow, tips of the thighs, of the 

 shanks, and of the feet, black, " etc.; whereas, in reality, the body is cinereous, the 

 legs are dark brown, almost black, with a whitish ring before the tip of the femora, 

 etc. Mr. Walker's description was drawn from a single old and faded speci- 

 men ; no wonder, therefore, that it could not be identified. 



L. badia Walk, seems to be my Dicranomyia humidicola. The only 

 specimen in the British Museum is without leg9. The characteristic mark of 

 the species, the white ring at the tip of the tibice, was therefore not mentioned in 

 the description. (Walker, 1. c. p. 46.) 



Anisomera longicornis Walk, appears to be the species which I have 

 identified for it. 



Not having seen Mr. Saunders's collection, I have not been able to identify 

 the Limnobias ignobilis, prominens, biterminata, and t u r p i s de- 

 scribed by Mr. Walker in the Diptera Saundersiana. 



In the Museum of Berlin I have found a considerable number of undeter- 

 mined Limnobiae and Eriopterse from Georgia, most of which I have been 

 able to identify with the species described in my paper. Only a few were new 

 to me. I will give here a list of these species, as an addition to the knowledge 

 of their geographical distribution. Some observations and corrections to my 

 descriptions, especially when they were drawn from a limited number of speci- 

 mens, may also find their place here. 



Limnophila adusta in two (^ ) specimens. The brown line in the middle 

 of the thorax was hardly apparent. The tips of the femora were distinctly in- 

 fuscated. 



Limnophila imbecilla(?) A single tf* specimen, which had the neura- 

 tion of the wings, the long verticils, etc.. of said species, but the coloring of the 

 body of which was somewhat different, namely, brownish ferruginous, shilling on 



I860.] 



