77 



LYCAENIDAE 



Philstes glaucon Edw. 



In our notes on this very puzzling group we have twice referred 

 to this species; in Contr. Ill, (2) 117 we observed that the types were 

 not to be found in the W. H. Edwards' Collection but that a S and 

 9 specimen existed in the Hy. Edwards' Collection in the American 

 Museum which be believed to be typical ; specimens from Utah which 

 we had compared with these and which to us at the time seemed identi- 

 cal we figured on PI. XI, Figs. 2, 5, and later after a study of the 

 genitalia (Contr. Ill, (4), 215) we referred glaucon as the Great 

 Basin race of enoptes. 



On our latest visit to New York, realizing from our recent studies 

 of the group that there were forms with battoides-Vike genitalia which 

 superficially could scarcely be definitely separated from ciwptes, we 

 examined the genitalia of the S specimen which is labelled Lye. glau- 

 con Edw. in Hy. Edwards' handwriting and found to our chagrin that 

 the genitalia were those of battoidcs and not of enoptes and that, if 

 this specimen was typical of the true glaucon, our notes were in need 

 of considerable revision. 



The first point to be decided was naturally as to whether this 

 S specimen was typical of glaucon; as we have already remarked, 

 the species was described in 1871 from 2 * , 1 9 taken in Nevada 

 and sent by Hy. Edwards, the description of the $ being fairly lengthy, 

 of the 2 merely a few lines, the underside being dismissed with the 

 words "as on male". The specimen in question bears three labels 

 besides the name label, the first is a small printed label "Nevada", the 

 second a circular one with written number "251", and the third the 

 American Museum's Accession label "No. 6122. Coll. Hy. Edwards". 

 In Hy. Edwards' original Catalogue of his Collection which is in pos- 

 session of the Museum and the necessary portions of which Mr. F. E. 

 Watson has kindly transcribed for us, the number "251" is apparently 

 used for several specimens referred to as L. battoides and taken in 

 1868-9 in June by W. T. Eaves in Storey Co. and Bear Valley ; Storey 

 Co. is in Nevada and contains Virginia City, the Bear Valley men- 

 tioned being probably a valley of that name in the vicinity of Lake 

 Tahoe, Calif. ; evidently therefore our $ specimen in question, as it 



