1912.] NATURAL SCIENCES OF PHILADELPHIA. 89 



Melanoplus phcetaliotiformis (p. 179). 



Described from nineteen males and fourteen females from a single 

 locality. 



Single type here designated : figured cf ; Gazelle, Siskiyou County, 

 California, September 5, [1897]; A. P. Morse; Scudder Collection. 



Melanoplus incultus (p. 181). 



Described from four males and two females from two localities. 

 Single type here designated: figured c? ; foothills five miles west 

 of Fort Collins, Colorado, July 10; -C. F. Baker; Scudder Collection. 



Melanoplus franciscanus (p. 183). 



Described from forty-eight males and twenty-one females from a 

 single locality. 



Single type here designated : figured cf ; San Francisco Moun- 

 tains ([near] Flagstaff), Coconino County, Arizona, July 30, [1897]; 

 Dr. J. L. Hancock: Hancock Collection. 



Melanoplus ablutus (p. 185). 



Based on two males and nine females from one locality. 



Single type here designated: figured cf ; Wawona, Mariposa 

 County, California, August 13, [1897]; A. P. Morse; Scudder 

 Collection. 



Melanoplus nanus (p. 187). 



Based on twenty-seven males and twenty-two females from four 

 localities. 



Single type here designated: figured d 71 ; Berkeley, Alameda 

 County, California, August 21, [error pro 20], [1897]; A. P. Morse; 

 Scudder Collection. 



Melanoplus ligneolus (p. 188). 



Based on eight pairs from two localities. 



Single type here designated: figured d 71 ; Benicia, Solano County, 

 California, August 26, [1897]; A. P. Morse; Scudder Collection. 



Melanoplus dealbatus (p. 190). 



Based on five males and thirteen females from a single locality. 



Single type here designated: figured d 71 ; Ceres, Stanislaus 

 County, California, August 17, [1897]; A. P. Morse; Scudder Col- 

 lection. 



Melanoplus pilatus (p. 192). 



Based on one pair from two localities. 



