19U7.J NATURAL SCIENCES OF PHILADELPHIA. 395 



A paratypic series of four males and three females, taken November, 

 1U04, liave also been examined. Aside from a considerable amount 

 of variation in size no differences worthy of note are apparent. 



GRYLLID^. 



(luvi.i.oTAi.rix i:. 



SCAPTERISCUS Scu.l.ler. 

 Soapteriscus camerani liiglii'-Tn.-. 



1894. S[ai))tcrisciis] Cdinerinti Giglio-Tos, Bolk-U. Mus. Zool. Aiiat. Coiup. 

 Torino, IX, No. 184, p. 45, plate figs. 13 and IG. [Province of rian I'edro, 

 Asuncion, Paraguay.] 



January, 1903; one female. 



This individual is slio:htly smaller than the original measurements for 

 the same sex. but otherwise is perfectly typical. 



CrliVIJ.IX.i:. 



GRYLLUS LinnKus. 

 Gryllus assimilis (FMbriciu>). 



177.5. Achetn a-'^simili-'^ Faljricius, Sy?t. Entom., p. 2S0. [Jamaica.} 



February, 1905; one male, three females. 



These specimens are much paler than Mexican individuals of this 

 species, three of them being especiall)' light in color. 



Gryllus argentinus Saussure. 



1874. Grijllus Arqentinuf< Saus.sure, Miss. Scientif. au Mex. et I'Amer. 

 Cent., Orth., p. 399. [Southern Brazil; Argentine Republic; the north of 

 Patagonia: Bueno.s Ayres; Bahia Blanca; Rio Xegro of Patagonia.] 



July, 1902, February and March. 1905; two males, two females. 



These specimens agree \qvx well with an authentic pair of this 

 species from Buenos Ayres and Rio Grande do Sul, Brazil, received 

 from Dr. ."^aussure. 



EXEOPTERIX.E. 

 ENEOPTERA Bunneister. 

 1S3S. Eneoptera Burmeister. Handb. d. Entom., II, .\bth. II, pt. I, p. 736. 

 Type.—Acheta hrasiliensis Fal:)rieius (= Griillus siirinamensis 

 De Geer). 



Eneoptera surinamensis (De Geer). 



1773. Grifllns Surlmmensis De Geer. Mem. Ins., Ill, p. -IIO, pi. 43, ft;?. I 

 [Surinam.] 



March. 1905: three males, two females. 



