404 ACADEMY OF NATURAL SCIENCES 



before ; pleura with two oblique glaucous wide lines ; wings bya- 

 line, a fuscous, undulated band on the middle, not reaching the 

 thinner margin ; a fuscous spot midway between the band and 

 base, somewhat larger on the posterior wings; costal margin 

 slightly tinted with ferruginous ; stigma browTQ ; anal membrane 

 small, white ; abdomen rather wide, second and third segments 

 with a transverse, elevated line on their middle ; feet yellowish- 

 Length nine-tenths ©f an inch. 



It has some resemblance to Li varia Linn., but is a very dif- 

 ferent species. It is not uncommon, but is more limited than 

 some other species to the immediate vicinity of ponds and slug- 

 gish waters. 



21. L. TENUiciNCTA. — Small ; wings ferruginous. 



Inhabits the United States. 



Body fuscous, small ; eyes meeting above ; front yellow ; above 

 fuscous ; thorax immaculate, somewhat hairy ; pleura with about 

 two yellow spots; [32] wings entirely ferruginous; stigma 

 darker, reddish ; anal membrane small, blackish ; feet dull yel- 

 lowish ; tergum with a very slender, bright yellow, transverse 

 line at each incisure ; anal appendices arcuated mucronate; m- 

 ferior process nearly as long. 



Length over four-fifths of an inch. 



This small species is common in many parts of the Union, fly- 

 ing rather slowly over the surface of ponds, and, like other spe- 

 cies, settling upon sticks and other objects that project above the 

 surface. 



V. L. ohscura. Ene. Meth., 562, 



Is it the male of tenera ? 



[This is the male of L. tenera Say, and is properly L. dormtia 

 Drury, 2, pi. 45, fig. 4, of which L. chlora Rambur is a male 

 variety. — Uhler.] 



The following note, taken at the island of Senpuxten, on the 

 eastern shore of Maryland, I find amongst my papers. 



L. IMBIJTA. — % Abdomen red; segments black at tip; thorax 

 green ; frontal vesicle bluish ; eyes darker. 



9 Abdomen greenish ; segments black at tips. 



I have not observed this speeies in Indiana. 



[Vol. VIII. 



