430 



GEOLOGICAL SURVEY OF THE TEEEITOBIES. 



Calopetenus spretus, Uhl. 



femur-rubrum , Biirm . 



occidentalis, Thos. 



Turnbullii, Thos. 

 Pezotettix picta, Thos. 



S'ebrascensis, Thos. 



speciosa, Scudd. 



obesa, Thos. 

 Brachypeplus magnus,Gir. 

 Boopedou niibilum, Thos. 



flavo-fasciatum, Thos. 

 Stauronotus Elliotti, Thos. 

 OBdipoda imdulata, Thos. 



collaris, Scudd. 



ciucta, Thos. 



sordid a, Burm. 



longipeniiis, Thos. 



Montana, Thos. 



Wyomingiana, Thos. 



gracilis, Thos. 



Kiowa, Thos. 



(Edipoda Haydenii, Thos. 

 tenebrosa, Scudd. 

 carlingiana, Thos. 

 Haldemannii, Scudd. 

 corallipes, Hald. 

 trifasciata, Say. 

 Carolina, Linn. 

 13hoenicoptera, (?) Burm. 

 sulphurea, Burm. 

 negiecta, Thos. 

 Acrolophitus hirtipes, Thos. 

 (Gryllus) formosus, Say. 

 Stenobothrus curtipennis, Harr. 

 obionus,Thos. 

 maculipeunis, Scudd. 

 brunneus, Thos. 

 quadrimaculatus, 



Thos. 

 bicolor, Thos. 

 gracilis, Scudd. 

 Oxycoryphus obscurus, Thos. 



MIDDLE DISTRICT. 



Gryllus abbreviatus, Serv. 



luctuosus, Serv. 

 Oecanthus niveus, Serv. 

 Stenopelmatus fuscus, Hald. 



fasciatus, Thos. 

 TJdeopsylla robusta, Hald. 

 Anabrus simplex, Hald. 

 Decticus pallidipalpus, Thos. 



Orchelimum — (?) 



Ephippitytha gracilipes, Thos. 

 Locusta fuliginosa, Thos. 



Phaneroptera (f) 



Opomola (?) 



Caloptenus bivittatus, Uhl. 



Oaloptenus spretus, Uhl. 



occidentalis, Thos. 

 Pezotettix obesa, Thos. 

 Stauronotus Elliotti, (?) Thos. 

 (Edipoda corallipes, Thos. 



Haldemannii, Scudd. 



paradoxa, Thos. 



trifasciata. Walk. 



Carolina, Linn. 



Montana, Thos. 



cincta, Thos. 

 Stenobothrus maculipennis, Scudd. 

 brunneus, Thos. 



WESTERN DISTRICT. 



Caloptenus repletus. Walk. 



bilituratus. Walk, 

 scriptus, Walk, 

 femur-rubrum, Burm. 

 Pezotettix Borckii, Stal. 

 CEdepoda atrox, Scudd. 



venusta, Stal. . ■ 

 Carolina, Linn, 

 sulphurea, Burm. 

 phoenicoptera, Germ, 

 rugosa, (!) Scudd. 

 paryiceps. Walk. 



From these tables it will be seen that the following species are found 

 in both the eastern and middle districts : Gryllus abbreviatus, Oecanthus 



Gryllus Pennsylvanicus, Burm. 



lineaticeps, Stal. 

 Stenopelmatus talpa, Burm. 

 Ceuthophilus castaneus, Thos. 



pacificus, Thos. 



bilobatus, Thos. 



Californiaiius, Scudd. 



zonarius,Walk. 

 Tropidiscia xanthostoma, Scudd. 

 Anabrus purpurascens, Uhl. 

 Cyphoderris monstrosa, Uhl. 

 Locusta occidentalis, Thos. 



