1904.] NATURAL SCIENCES OF PHILADELPHIA. 533 



Genus LEPTYSMA St&l. 

 1873. Leptysma Stal, Recensio Orthopterorum, I, pp. 42, 85. 

 Included Opsomala filiformis Serville, Truxalis ohscurus Thunberg 

 and Opsomala marginicoUis Serville, of which the latter may be con- 

 sidered the type. 



Leptysma marginicoUis (Serville). 



1839. Opsomala marginicoUis Serville, Orthopt^res, p. 591. [Xorth Amer- 

 ica.] 



Ojos del Diablo, Chihuahua. May 2, 1902. (C. H. T. Townsend.) 

 One female. 



Zapotlanejo, Jalisco. July 31, 1903. (McClendon.) One female. 

 Guadalajara, Jalisco. August 9 and 25, 1903. (McClendon.) One 

 male, one female. 



Genus PROCTOLABITS Saussure. 



1859. Proctolabus Saussure, Revue et Magasin de Zoologie, 2e s4r., XI, 

 p. 393. 



Type. — Ommatolampis mexicana Saussure. 



Proctolabus mexicanus (Saussure)?. 



1859. 0[mmatolampis] mexicana Saussure, Revue et Magasin de Zoologie, 

 2e s^r., XI, p. 393. [Toluca, Mexico.] 



Guadalajara, Jalisco. September 14 and 18, 1903. (McClendon.) 

 One male, two females. 



This specimen belongs to this genus and probably to this species, 

 but several characters are at variance with those given in the 

 brief original description. The lower portion of the lateral lobes 

 of the pronotum as well as the meso- and metapleura of the male 

 are milky- white, while the lower as well as the upper face of the 

 posterior femora of the same sex bear a line of the same color. 

 Anterior and median limbs and external face of the posterior femora 

 of the male are solid French green. The females are almost uniform 

 olivaceous. 



Genus SCHISTOCERCA Stil. 

 1873. Schistocerca Stal, Recensio Orthopterorum, I, p. 64. 

 Included Acridium peregrinum, melanocercum, americanum, pall&ns, 

 hivittatum, flavo-fasciatum, and columbinum, of which americanum may 

 be considered the type. 



Schistocerca vaga (Scudder). 



1876. Acridium vagum Scudder, Proc. Boston Soc. Nat. Hist., XVIII, 

 p. 269. [Guadalupe, Island off Lower California; San Diego, California; 

 California.] 



Guadalajara, Jalisco. July 17 and September 14 and 18, 1903. 



(McClendon.) Two males, three females. 



