1 894-1 ENTOMOLOGICAL NEWS. I3 



The number of cells in the discoidal triangle of the front wings varies 

 even in individuals from the same locality, but no tabulation has been 

 made. 



The preceding data on variation have been included in order 

 that they may serve as cautions against regarding the conditions 

 to which those data refer as specific. 



Bibliography and Synonymy. 

 JEschna clepsydra Say, Jour. Ac. N. S. Phila. viii, p. 12, 1839. Hagen, Syn. 

 Neur. N. A., p. 122, 1861; Proc. Soc. N. H., xviii, p. 35, 1875. Cal- 

 vert, Trans. Am. Ent. Soc. xx, p. 248, 1893. 

 AL. crenata Hagen, Stet. Ent. Zeit. xvii, p. 369, 1856. Selys, Ann. Soc. 

 Ent. Belg. xv, p. 35, 1872; xxxi, p. 60, 1887. Bergroth, Ent. Nach. 

 vii, p. 86, 1881. 

 ^. eremita Scudder, Proc. Bost. Soc. N. H. x, p. 213, 1866. Hagen, 



/. c. XV, p. 376, 1873. 

 ^. eretnit\ic\a Hagen, Proc. B. S. N. H. xviii, p. 34, 1875. 

 ^. maxima Heikel, Not. Faun. Flor. Fenn. vi, p. 117, 1861. 

 The known distribution of this species is — Labrador to Massa- 

 chusetts, New York, Maryland, Illinois, Michigan, Wisconsin, Da- 

 kota, Saskatchewan, Irkutsk and Wilui River (Siberia), Finland. 



Regarding the Identity of Oxyporus rufipennis and stygicus. 



Ev L. B. Walton. 



LeConte, in his paper on certain genera of Staphylinidse Oxy- 

 telini, etc. (Trans. Amer. Ent. Soc. vi, October, 1877), says in 

 reference to Oxyporus rufipeyinisY^&c: "This is perhaps only 

 a color variation of the entirely black O. stygicus Say, but as yet 

 I have seen no intermediate specimens. There is no difference 

 in form or structure." 



A year ago last Summer, while doing some collecting at Bear 

 Lake. Pa., I took a large number of both stygicus and rufipennis, 

 and also what appeared to be an intermediate form having the 

 elytra black with two yellow vittae plainly evident on each ely- 

 tron. The occurrence of this form, together with the fact that 

 all were taken on the same piece of fungus, would seem to bear 

 out LeConte's supposition as to rufipennis being merely a variety 

 of stygicus. Having sent some specimens to Dr. Horn, he says: 

 "While I believe the two are one species, something more than 

 an opinion is required to corroborate it," referring to the fact 

 that it would be necessary to take them in coitu to bring in the 

 conclusive proof. 



