CORDILLACRIS.— PHLIBOSTEOMA. 71 



1. Cordillacris occipitalis, Thomas. 



Stenobothrus occipitalis, Thomas, Syn. Acrid. N. Amer. p. 81 (1873) * ; Glover, Illustr. N. Amer. 



Ent., Orthopt. t. 17. fig. 13 (1874) 2 ; Bruner, Rep. U.S. Ent. Coram, iii. p. 55 (1883) 3 . 

 Oxycoryphus occipitalis, Thomas, Proc. Dav. Acad. Nat. Sci. i. p. 251 (1876) 4 ; Ann. Rep. Chief 



Eng. 1878, p. 1843 (1878) \ 

 Ochrilidia occipitalis, Bruner, Proc. U.S. Nat. Mus. xii. p. 52 (1889) 6 ; Townsend, Insect Life, vi. 



p. 31 (1893) \ 

 Alpha occipitalis, Brunner, Rev. Syst. Orthopt. p. 121 (1893) 8 ; McNeill, Proc. Dav. Acad. Nat. 



Sci. vi. pp. 246, 247, t. 4. figg. 18, 18 a, b (1897) 9 j Scudd. Cat. Orthopt. U.S. p. 23 



(1900) 10 . 

 Cordillacris occipitalis, Rehn, Proc. Acad. Nat. Sci. Phil. 1902, p. 718 n ; Caudell, Proc. U.S. Nat. 



Mus. xxvi. p. 782 (1903) 12 . 



Hab. Noeth Ameeica 1_12 , Plains east of the Kooky Mountains and the basin 

 between the latter and the Sierra Nevada, southward to beyond the limits of the 

 United States. — Mexico, Chihuahua (Bruner). 



[2. Cordillacris cinerea, Bruner. 



Ochrilidia cinerea, Bruner, Proc. U.S. Nat. Mus. xii. pp. 52, 53 (1890) \ 



Alpha cinerea, McNeill, Proc. Dav. Acad. Nat. Sci. vi. p. 247 (1897) 2 ; Scudd. Cat. Orthopt. U.S. 



p. 23 (1900) 3 ; Scudd. & Ckll. Proc. Dav. Acad. Nat. Sci. ix. p. 26 (1902) \ 

 Cordillacris cinerea, Caudell, Proc. U.S. Nat. Mus. xxvi. p. 782 (1903) 5 . 



Hab. Noeth Ameeica 1-5 , Western Nebraska southward to near Mesilla, New 

 Mexico. 



Found on sandy ground and more restricted in its distribution than the preceding.] 



[3. Cordillacris crenulata, Bruner. 



Ochrilidia crenulata, Bruner, Proc. U.S. Nat. Mus. xii. pp. 51,52 (1890) x ; Publ. Nebr. Acad. 



Sci. iii. p. 22 (1893) \ 

 Alpha crenulata, McNeill, Proc. Dav. Acad. Nat. Sci. vi. p. 247 (1897) 3 ; Scudd. Cat. Orthopt. 



U.S. p. 23 (1900) 4 ; Scudd. & Ckll. Proc. Dav. Acad. Nat. Sci. ix. p. 26 (1902) 5 . 

 Cordillacris crenulata, Caudell, Proc. U.S. Nat. Mus. ix. p. 26 (1903) 6 . 



Hab. Noeth Ameeica 1_6 , southern portion of New Mexico and Arizona. 



Of nearly the same habits as C. occipitalis but rather less common and somewhat 

 restricted to gravelly hill-sides and tracts covered with scattered short grass.] 



PHLIBOSTEOMA, Scudder. 



Stenobothrus, Thomas, Syn. N. Amer. Acrid, p. 93 (1873) (part.) (nee Fischer). 



Phlibostroma, Scudder, Proc. Bost. Soc. Nat. Hist. xvii. p. 517 (1875) ; Ann. Eep. Chief Eng. 



1876, p. 510 (1876); Bruner, Rep. U.S. Ent. Comm. iii. p. 57 (1883) j McNeill, Proc. Dav. 



Acad. Nat. Sci. vi. pp. 247, 248 (1897). 

 Beta, Brunner, Rev. Syst. Orthopt. p. 121 (1893). 



