— 15 -- 



OrcV/rs/rs ///^rr Horn. — " 111., Mich. I'ciin." Also S. Carolina. 



(Morrison), and \'anc. Is. (X'ictoria), Wickham. 

 Eiiclyptus h-staceus Dietz. — Described from a unique I'eniak* from 



"Buffalo, N. Y." A number of specimens have been taken at 



Sandy Hook, N. J., by Mr. Julich. 

 Macrops interpitnctatiiliis Dietz. — " Kans., Te.v., Neb." Also 



Mont. (Glendive), Wickham. 

 Macnpi Ulkci Dietz. — " Dak., Tex., Wyo., N. H." Also Xeb.. 



(McCook) and Mont. (Helena), Wickham. 

 Macrops tenebrosus, Dietz. — "Mont., Dak., Wyo." Also Neb. 



(Lincoln), Wickham. 

 iMacrops moutauiis Dietz. — "111., Kans.. Nev., Dak., Mont." Also 



Col. ((ireely), Wickham. 

 Macrops obscurelliis Dietz. — " ie.x., D. C. ' .\lso Mont. (Missoula), 



Wickham. 

 Macrops vittaticollis Dietz. — " Wyo., Neb." A specimen labeled 



Utah received some years ago from the late CajJt. R. H. 



Murdoch. 



NOTES ON ONITICELLUS, SERV. 



r.v C. W. j. A.\(;ki,i,. 



Oniticellus californicus Horn. This interesting species 

 was described by Dr. Horn (Trans. .\mer. Kntom. Soc, Vol. x, 

 page ii8) from a unique pair in the cabinet of Mr. Henry 

 Edwards. These specimens were obtained at the base of Mount 

 Shasta, California. No further si)ecimens of this species were 

 caj'jtured until last season, when a few pairs were taken, by Mr. C. 

 J. Weidt, in the desert region of south-western Utah. From him 

 I liave gathered the following interesting notes : The first speci- 

 men was found late in March hibernating under a stone near the 

 \'irgin River, but a most careful search failed to reveal other 

 specimens at that time. Towards the end of April, a male and 

 female were found in horse-dung and on the following days 

 several more specimens were taken, some eighteen or twenty 

 examples in all. Mr. Weidt informs me, that these insects seem 

 to prefer the fresh droppings, that is when from two to three 

 hours old, none being found on the mornings following, when the 

 droppings had become quite dry. .As this region contains but few 



