1904,] NATURAL SCIENCES OF PHILADELPHIA. 525 



Hippiscus zapotecus Saussure. 



1884. X[anthippus] zapotecus Saussure, Prodr. CEdipod., p. 91. [" Agei 

 mexicanus."] 

 Guadalajara, Jalisco. August 17, 1903. (McCIendon.) One female. 



Genus LEPRUS Saussure. 



1861. Leprus Saussure, Revue et Magasin de Zoologie, 2e ser., XIII, p. 398. 

 Type. — CEclipoda (Leprus) elephas Saussure. 



Leprus elephas Saussure. 



1861 (E[dipoda] (Leprus) elephas Saussure, Revue et Magasin de Zoologie, 

 2e ser., XIII, p. 398. [Mexico.] 



La Joya, San Luis Potosi. August 10, 1903. (M. E. Hoag.) One 

 male, three females. 



These specimens exhibit considerable variation in the extent of the 

 inflation of the prozona and in the pattern and intensity of the colora- 

 tion. . 



Genus TROPIDOLOPHUS Thomas. 



1873. Tropidolophus Thomas, Synopsis Acrididie N. Amer., p. 138. 

 Type. — Tropidolophus formosus (Say). 



Tropidoloplius formosus (Say). 



1825 Griillus formosus Sav, American Entomology, II, PI. 34 text page 

 four (unnumbered). [Colorado: "About an hundred and fifty miles 

 from the mountains, on the banks of the Arkansaw river. ] 



Casas Grandes, Chihuahua. September, 1902. (Dr. W. E. Hughes.) 



One female. 



Genus SPHARAGEMON Scudder. 

 1875. Spharagemon Scudder, Proc. Boston Soc. Nat. Hist., XVII, p. 467. 

 Type. — Gryllus ceqiialis Say. 



Spharagemon cristatum Scudder. 



1S75. Spharagemon cristatum Scudder, Proc. Boston Soc. Nat. Hist., XVII, 

 p. 470. [Dallas and Waco, Texas.] 

 La Joya, San Luis Potosi. August 10, 1903. (M. E. Hoag.) Two 

 adult males, one immature individual. 



These specimens are considerably smaller than Scudder's measure- 

 ments, but otherwise agree very well with this species. 



Genus LACTISTA Saussure. 

 1884. Lactista Saussure, Prodr. CEdipod., p. 142. 

 Included L. gibhosus, punctatus, pulchripennis and pelkpidus, cf 

 which punctatus may be considered the type. 



