1912.1 NATURAL SCIENCES OF PHILADELPHIA. Ill 



Single type here designated : figured <?; Salina Cruz, Tehuantepec, 

 Mexico, [December, 1898]; C. C. Deam. 



Leuconotus biolleyi (p. 57). 



Based on five males from two localities. 



Single type here designated: c ; Rio Grande, Costa Rica, eleva- 

 tion 1,800 feet, [March 6, 1902]; Bruner. 



Opeia imperfecta (p. 59). 



Described from an unspecified number of specimens from three 

 localities. 



Single type here designated: c 71 ; Jimulco, Mexico, November, 

 [1887]; Bruner. 



Opeia mexicana (pp. 59, 60). 



Described from a unique female specimen from Tlalpam, near 

 City of Mexico, Mexico, [November, 1887]; Bruner. 



Opeia palmeri (pp. 59, 61). 



Described from a pair from one locality. 



Single type here designated: unique 9 ; Sierra de San Miguelito, 

 San Luis Potosi, Mexico; E. Palmer. 



Amblytropidia costaricensis (pp. 63, 66). 



Based on a series of specimens from two localities. 



Single type here designated: d 71 ; San Jose, Costa Rica; Prof. 

 P. Biolley. 



Amblytropidia elongata (pp. 63, 68). 



Described from a single female from Tepic, Mexico. 



Thyriptilon vitripenne (p. 69). 



Based on fourteen males and six females from a single locality. 

 Single type here designated: d 1 ; Valladolid, Yucatan; Gaumer. 



Sisantum notochloris (p. 69) Tab. I, figs. 11, 11a. 



Based on five males and two females from one locality. 



Single type here designated: figured 9 ; Medellin, Vera Cruz, 

 Mexico, September; Rev. T. Heyde. 



Orphula meridionalis (p. 73). 



Based on a single female from Pozo Azul, Costa Rica, May or June, 

 1902; M. A. Carriker, Jr. 



