1912.] NATURAL SCIENCES OF PHILADELPHIA. 93 



SCHISTOCERCA GRACILIS (p. 447). 



Described from a unique male; South America; Scudder Col- 

 lection. 



SCHISTOCERCA AURANTIA (p. 448). 



Based on one male and eight females from four localities. 

 Single type here designated: 9 20 ; Merida [nee Meriden], 

 Yucatan; Scudder Collection. 



SCHISTOCERCA CARINATA (p. 449). 



Based on a series of one male and six females from four localities. 

 Single type here designated: 9 21 ; Vera Cruz, Mexico; Heyde; 

 Hebard Collection, ex Bruner. 



SCHISTOCERCA CROCOTARIA (p. 450). 



Described from a series of five females from two localities. 

 Single type here designated: 9 ; Chontales, Nicaragua; Scudder 

 Collection. 



SCHISTOCERCA INTERRITA (p. 450). 



Based on two females from Peru. 



Single type here designated: 9 ; Peru; H. Edwards; Scudder 

 Collection. 



SCHISTOCERCA CAMERATA (p. 451). 



Described from a series of three females from one locality. 

 Single type here designated: 9 ; Sinaloa, Mexico; Koels; 

 Scudder Collection. 



SCHISTOCERCA MELLEA (p. 452). 



Described from a pair from one locality. 



Single type here designated: unique cf ; Vera Cruz, Mexico; 

 Heyde; Hebard Collection, ex Bruner. 



SCHISTOCERCA ZAPOTECA (p. 453). 



Based on twenty-one males and thirteen females from five localities. 

 Single type here designated: cT ; Venis Mecas, Mexico, January 

 6; Palmer; Scudder Collection. 



20 This specimen is chosen as single type as it comes from the first definite 

 locality and is in much better condition than the other specimens of the typical 

 series. 



21 This specimen is chosen as the single type as it fits the description perfectly, 

 is in good condition and comes from a definite locality; it is the only specimen 

 of the typical series which is satisfactory in all of these respects. 



