202 



Orph uJella pclidna Psinidia fenestralis 



Orphulella speciosa Hesperotettix pratensis 



*Hip2)isci(8 ti/berru/afi/s Melanoplvs fasciatits 



*Hippis<'Ufi halrleiiia/ni *2Iehni<ipl}is angustipenni.t 



iSp/iaratjei/ioii u\t/(i///iti(/- *Ph(]etaliotes nehrascehsiis 



ianuin ConocephahiH rohvstus 



Of the species known from only one of the three localities, 

 there are in Vigo county two, CenfhojihilxA /((fens and nJilcri, 

 inhabiting dry sandy ground; in the lake region there is just one 

 species, (Tri/l/iis (ireiiosiis. which seems peculiar to that region; 

 and in the Illinois locality twelve have been found, the range 

 of several of these species being extended to a very unexpected 

 degree by their discovery here. Their previously known range 

 is given in the appended list, which shows clearly the alliance 

 of this sand fauna with that of the Great Plains. 



Meriniria neduiej'icana. Wyoming to N. M., Neb. to Tex. "Rocky 

 Mts. to Miss. R." 



Mermiriahivittata. Fla., N. J., Kan., Utah, N. M., Tex., and 

 intervening states. Lower Austral (Morse), 111.? (McNeill). 



Eritettix virgafuK. Tex., Arl^. 



AniphitoriiHi< blailor. "Mont, to Kan." A characteristic spe- 

 cies of the Great Plains (Bruner). 



Hippiscus pha'nicopteriis. "Southern U.S. east of Great Plains." 

 Moline, III. 



Trachyrhai-hh thoinasl. "Upper Miss. Valley and Colorado." 

 S. III. (Thorn.). Ky., Ind. Classed by Blatchley as Austro- 

 riparian. Its records are confused with those of other spe- 

 cies, but it probably occurs also from Minn, to Neb. 



Gampylacantha oUvacea. Neb. to Tex. S. W. Ark. 



Gampylacaiitha acutipennis. Tex., Kan. 



Hesperotettix speciosus. "Rocky Mts. to Miss. R." Neb. to Tex. 

 N. M. 



Melanoplus Havidus. Ariz., N. M., Tex., Kan., Col., S. W. 



Neb., Mont. N. W. 111. (McNeill). 

 Udeopsylla rohusta. "W. of Miss. R." Iowa (Osborn). 

 Oryllui* persmmtnu. Ariz., N. M., Tex., Col., Kan., Neb. 



