1904.] NATURAL SCIENCES OF PHILADELPHIA. 567 



Las Vegas, San Miguel county, New Mexico. July 21, 22 and 23, 

 1902. (Oslar.) Three males, three females. 



Albuquerque, Bernainio county, New Mexico. July 12, 15, 16 and 

 17, 1902. (Oslar.) Five males. 



Spliaragemon inornatum Morse. 



Gallinas Canon, San Miguel county. New Mexico. July 21, 1902. 

 (Oslar.) One female. 

 Derotmema laticinctum Scudder. 



Florence, Pinal county, Arizona. (C. R. Biederman.) One male. 



Derotmema haydeni (Thomas). 



Gallinas Canon, San Miguel county, New Mexico. July 21, 29 and 

 30, 1902. (Oslar.) Six females. 



Santa Fe, Santa Fe county. New Mexico. July 19, 1902. (Oslar.) 



One male. 



Cerro del Corazon, New Mexico. July 16, 1902. (Miss Alice Blake.) 



Three females. 



Trepidulus rosaceus McNeill. 



1901 Trepidulus rosaceus McNeill, Proc. U. S. Nat. Mus., XXIII, pp. 



394,398. January 19, 1901. [San Bernardino, Cal.] 

 1901. ArcEopteryx penelope Caudell, Canad. Entom., XXXlii, p. iO-. 



April, 1901. [Prescott, Arizona.] 



Florence, Pinal county, Arizona. July 26 and August 10, 1903. 

 (C. R. Biederman.) One male, one female. 



The above synonymy is evident after studying each description. It 

 is unfortunate that the exceedingly poor and insufficient description of 

 T. rosaceus should have precedence over the excellent one of ArmjJ- 

 teryx, but the law of priority leaves us no other course. 



Mestobregma kiowa (Thomas). 



Raton, Colfax county. New Mexico. (Oslar.) 

 This is apparently the first New Mexican record. 



Conozoa acuminata Scudder? 



Florence, Pinal county, Arizona. June 8 and July 9, 1903. (C. R. 

 Biederman.) Two males. 



Phoenix, Maricopa county, Arizona. April 22, 1902. (Oslar.) 

 One male. 



There is a little doubt as to the identity of these specimens, but they 

 fit this form better than any other. 

 Trimerotropis laticinota Saussure. 



Gallinas Canon, San Miguel county. New Mexico. (Oslar.) One 

 male, one female. 



