306 OETHOPTEEA. 



PHAULOTETTIX, Scudder. 



Phaulotettix, Scudd. Proc. Amer. Acad. Art. Sci. xxxii. no. 9, p. 197 (Jan. 1897) ; Proc. U.S. Nat. 

 Mus. xx. pp. 10, 29 (1897). 



This is another genus of the wingless or brachypterous *' Melanopli" that is confined 

 to the arid regions of Northern Mexico. 



1. Phaulotettix compressus, Scudd. 



Phaulotettix compressus, Scudd. Proc. U.S. Nat. Mus. xx. p. 30, t. 2. fig. 11 (1897) \ 

 Hab. Mexico, Montelovez in Coahuila 1 . 



Not contained in the material studied nor known to the present writer. 



CEPHALOTETTIX, Scudder. 



Cephalotettix, Scudd. Proc. Amer. Acad. Art. Sci. xxxii. p. 197 (1897) ; Proc. U.S. Nat. Mus. xx. 

 pp. 10, 30 (1897). 



The present genus is composed of a small, inconspicuous, subapterous form peculiar 

 to Mexico. Two specimens only of C. parvulus are known. 



1. Cephalotettix parvulus, Scudd. 



Pezotettix parvulus, McNeill, MS. 



Cephalotettix parvulus, Scudd. Proc. U.S. Nat. Mus. xx. p. 31 (1897) \ 



Pezotettix olivaceus, Bruner, MS. 



Hab. Mexico, Atoyac, Vera Cruz * (L. Bruner), Orizaba 1 (W. S. Blatchley). 



This insect bears a striking resemblance to Melanoplus geniculates, which is also 

 found in the same general region. The specimen from Atoyac was captured in 

 December. 



RHABDOTETTIX, Scudder. 



Ehabdotettix, Scudd. Proc. Amer. Acad. Art. Sci. xxxii. no. 9, p. 197 (1897); Proc. U.S. Nat. 

 Mus. xx. pp. 10, 32 (1897). 



This is another genus of " Melanopli " composed of brachypterous forms of moderate 

 size, the distribution of which seems to be chiefly in the neighbourhood of the inter- 

 national boundary-line between Mexico and the United States. Three species have 

 been described. 



l. Ehabdotettix concinnus, Scudd. 



Rhabdotettix concinnus, Scudd. Proc. U.S. Nat. Mus. xx. p. 33, t. 3. fig. 2 (1897) \ 

 Hah. Noeth America, Waco, Texas 1 . 



