32 JAMES A. G. REHN. 



>I iinel ica marmorata Saussure and Pictet 



1898, Mimetica marmorata Saussure and Pictet, Biol. Cent.-Amer., Orthopt, i, 

 p. 453, tab. xxii, figs 10 aud 11. 



Two males; Nicaragua (U. S. N. M. . Escondido River, fifty 

 miles from Bluefields, Nicaragua. July 13th. Collected by C W. 

 Richmond (U. S. N. M.). 



Family GRYLLID^E. 



Gryllotalpa liexadactyla Perty. 



1830, Gryllotalpa hexadactyla Perty, Del. Anim. Artie. Bras., p.119, tab. 23, fig. 9. 



Three females ; Panama (U. S. N. M.). Escondido River, fifty 

 miles from Bluefields, Nicaragua. August 25, 1892. Collected by 

 C. W. Richmond (U. S. N. M.). 



Scapteriscus didactylus (Latreille). 



1804, Gryllotalpa didactyla Latreille, Hist. Nat. Crust, et Ins., xii. p. 122. 



Two specimens ; male and female ; Machuca, Nicaragua. Coll. 

 Acad. Nat. Sci. Phila. 



Scapteriscus sp. 



One immature specimen ; Panama (U. S. N. M.). 



Tridaetylus hist rio Saussure. 



1896, Tridaetylus (Heteropus) histrio Saussuse, Biol. Cent.-Amer., Orthopt., i, 

 p. 207. 



Two males; Orizaba, Vera Cruz, Mexico. January 9-16, 1892. 

 Collected by H. Osborn (U. S. N. M.). 



Rhipipteryx pulicaria Saussure. 



1896, Rhipipteryx pulicaria Saussure, Biol. Cent.-Amer., Orthopt., i, p. 215. 



Ten specimens; six males, four females; Orizaba, Vera Cruz, 

 Mexico. January 9-16, 1892. Collected by H. Osborn (U. S. 

 N. M.). 



Rhipipteryx fraterna Saussure. 



1896, R[hipipteryx] fraterna Saussure, Biol. Cent.-Amer., Orthopt., i, p. 214. 



Six specimens ; Teocelo, Vera Cruz, Mexico. September. Col- 

 lected by Otis W. Barrett (3). Orizaba, Vera Cruz, Mexico. 

 January 9-16, 1892. Collected by H. Osborn (3). 



Aiiurogryllus muticus (De Geer). 



1773, Gryllus muticus De Geer, Mem. Ins., iii, p. 520. tab. 43, fig. 2. 



One male; Panama. Dr. LeConte. Coll. Acad. Nat. Sci. Phila. 



