38 



43 Hyai.omyodes Triangulifera Lw. Stanford University. 



1004 Hypostena TOKTKicrs Coq. Stanford University. 



1823 Leucostoma atka Twn. Stanford University, and also in 



Ormsby county, Nevada. 



1824 Leucostoma neomexicana Twn. Stanford University. 



1825 Metachaeta helymus Wlk. Ormsby county, Nevada. 



1826 Metopia leucocephala Rossi. Ormsby county, Nevada. 

 115 Myiuphasia aenea Wied. Ormsby county, Nevada. 



30 Myoceka tibialis Desv. Stanford University and also in 



Ormsby county, Nevada. 

 127 OcvpTEKA carolixae Desv. Ormsby county, Nevada and 



also at Stanford University. 

 48 Pachyophthalmus floridensis Twn. Stanford University, 



and also in Ormsby county, Nevada. 

 45 Paradidyma singui,aris Twn. Stanford University', and also 



in Ormsby county, Nevada. 



1827 PelETERIA robusta Wied. Ormsby county, Nevada. 



27 Phorantha occidenTaeis Wlk. In great abundance at Stan- 

 ford University, and also in Ormsby county, Nevada (66). 

 559 Phorichaeta seouax Will. Stanford University, and also in 

 Ormsby county, Nevada. 



1828 Phorocera facialis Coq. Ormsby county, Nevada. 



74 Phorocera saundkrsii Will. Ormsby county, Nevada. 



1829 Plagiprospherysa parvipalpis v. d. W. Ormsby county, 



Nevada. 



44 Plusia brevirostris Coq. Stanford University. 



1005 Senotainia decisa Twn. Stanford University. 



1830 Senotainia rubkiventris Macq. Ormsby county, Nevada. 



47 Senotainia trilineaTa V. d. W. Common in all three reg-ions. 



1006 SiPHONA plusiae Coq. Stanford University. 



1277 SiPHOSTURMiA ROSTRATA Coq. Claremont, California. 



34 Spallanzania hksperidarum Will. Stanford University. 

 740 Sturmia occidentalis Coq. Stanford University. 

 739 Tachina mella Wlk. Stanford University. 



1831 Tachina robusta Twn. Ormsby county, Nevada. 

 77 Tachina rustica Fall. Ormsby county, Nevada. 



1832 Trichopoda pennipes Fabr. Stanford University. 



130 Wahibergia brevipknnis Lw. Common in Ormsby county, 



Nevada. 

 87 Xanthomelaxa akcuata Say. Occurs sparingly in all three 

 regions. 



ADDENDA. 



92 Metatrichia buli;osus OS, Ormsby county, Nevada. 

 101 Platyi'alpus aeqiialis Lrw. Stanford University. 

 1630 Scleropogon jubatus Coquillet, new species. 



