304 OBTHOPTEEA. 



segment triangular and produced in the centre into a short finger-like projection. Supra-anal plate 

 plain, roundly triangular, with a slightly undulate margin ; no marginal apophyses of the preceding 

 segment; male cerci broad at the base, but suddenly narrowed to less than half the basal width, 

 directed upwards and roundly curved inwards, and ending in a narrow spatulate outwardly sulcate 

 finger. Prosternal spine rather heavy, directed gently to the rear, the apes blunt. Prosternal lobes 

 rounded internally, separated by a space a little narrower than long. Anterior and middle femora 

 gently enlarged. 

 Length of body, 8 , 21 ; of pronotum 5, of tegmina 4-5, of hind femora 12 millim. 



Hah. Mexico, Cuernavaca in Morelos (C. C. Beam). 



A single male, captured on January 4 th. This insect is remarkably hairy and 

 rugose. 



PH^EDROTETTIX, Scudder. 

 Phcedrotettix, Scudd. Proc. Amer. Acad. Arts & Sci. xxxii. no. 9, p. 196 (1897) ; Proc. U.S. Nat. 

 Mus. xx. pp. 9, 22 (1897). 



The present genus is confined to Northern Mexico and extreme Southern Texas, 

 where, so far as our present knowledge goes, it is represented by a single wingless 

 species. 



1. Phaedrotettix angustipennis, Scudd. 



Pezotettiw angustipennis, Bruner, MS. 



Phcedrotettix angustipennis, Scudd. Proc. U.S. Nat. Mus. xx. pp. 22, 23, t. 2. fig. 7 (1897) 1 ; Relm, 

 Proc. Acad. Nat. Sci. Philad. 1904, p. 534 \ 



Hob. North America, Corpus Christi Bay, Texas 1 . — Mexico, Mount Alvarez in 

 San Luis Potosi l , Camancho in Zacatecas 1 , Victoria in Tamaulipas 2 . 



This little locust was quite plentiful in open, rather dry localities in the vicinity of 

 Camancho, Zacatecas, where the present writer took it in November. 



CONALCiEA, Scudder. 



Conalccea, Scudd. Proc. Amer. Acad. Arts & Sci. xxxii. no. 9, p. 196 (Jan. 1897) ; Proc. U.S. 

 Nat. Mus. xx. pp. 9, 23 (1897). 



Conalccea, like the preceding genus of the group " Melanopli," is confined in its 

 distribution to the arid regions of the extreme Southern United States and Northern 

 Mexico. Several species are known. They may be separated by Scudder's table as 

 published in his " Revision of the Melanopli " (Proc. U.S. Nat. Mus. xx.). 



1. Conalcsea miguelitana, Scudd. 



Conalccea miguelitana, Scudd. Proc. U.S. Nat. Mus. xx. p. 24, t. 2. fig. 8 (1897) \ 



Hab. North America, Arizona {colls. L. Bruner and U.S. Nat. Mus.). — Mexico, 

 Sierra de San Miguelito in San Luis Potosi x (Dr. Palmer), Ciudad in Durango 

 8100 feet (Forrer). 



