204 PROCEEDINGS OF THE AMERICAN ACADEMY. 



behind the lobes subtriangular, not greatly broader than long ; 

 tegmiiia linear and lateral or absent .... Aptenopedes. 



Gymnoscirtetes Bruner MS. contains a single undescribed species from 

 Florida, of a somewhat anomalous character. 



Netrosoma gen. nov. is based on two species from Mexico, both of 

 them new. 



Paradichroplus Brunner is represented in North America by two 

 species from Mexico and Central America, mexicanus Brunn., and 

 imricolor Stal, 



Pha^drotettix gen. nov. has but a single and undescribed species, which 

 comes from Mexico and southern Texas. 



Conalcsea gen. nov. has three species, all of them new ; they occur in 

 Mexico and southwestern New Mexico. 



Barytettix gen. nov. is known only from Lower California, where it is 

 represented by two undescribed species. 



Phaulotettix gen. nov. contains a single and undescribed species from 

 Mexico. 



Cephalotettix gen. nov. is also monotypic and the species is new and 

 from Mexico. 



Rhabdotettix gen. nov. contains three species from Texas and Mexico, 

 pilosus Stal and two undescribed forms. 



Cyclocercus gen. nov. also contains three species found in northern 

 Mexico and southern Texas, all of them new. 



Sinaloa gen. nov. is founded upon a single, as yet unpublished Mexican 

 species. 



Paraidemona Brunner is found in Texas and northern Mexico, and is 

 restricted to punctata Stal and a new species, the other species referred to 

 it by Brunner being placed elsewhere. 



Aidemona Brunner is confined to azteca Sauss., found in Mexico. 



Hypochlora Brunner was originally founded on three species, but is 

 here restricted to only one of them, alba Dodge, found on the eastern 

 margin of the Rocky Mts. 



Campy lacantha gen. nov. is composed of four species found in the 

 western United States east of the Rocky Mts., from Nebraska to Texas, 

 and in Durango, Mexico. The species are acutipennis Scudd., olicacea 

 Scudd., vivax Scudd., and one undescribed species. 



Eotettix gen. nov. is founded on a single undescribed species from 

 Florida. 



