viii Genera, Species, and Varieties New to Science. 



INSECTS. 



HEMIPTERA. 



PAGE. 



Dicysta hoUandi sp. nov. Drake Chapada, Brazil 271 



Dicysta bracUicnsis sp. nov. Drake Santarem, Brazil 272 



Dicysta sinithi sp. nov. Drake Chapada, Brazil 273 



ORTHOPTERA. 



Family Tetrigid.e. 



Platytcttix arciiatus sp. nov. Bruner French Guiana 8 



Rytinatcttix affiiiis sp. nov. Bruner Argentina 12 



Tettigidea glahrata sp. nov. Bruner French Guiana 12 



Tettigidea steinbachi sp. nov. Bruner Bolivia 14 



Scoria boliviana sp. nov. Bruner Bolivia 15 



Hippodes hopei sp. nov. Bruner Cameroon 93 



Family Eumastacid.e. 



Paramastax pictifrons sp. nov. Bruner Bolivia 19 



Family Cyrtacanthracrid.e. 



Ophthalmolampis geniculapicta sp. nov. Bruner Bolivia 39 



Trybliophorus niodestus sp. nov. Bruner Bolivia 41 



Leptysmina minor sp. nov. Bruner French Guiana 45 



Opsomala intermedia sp. nov. Bruner French Guiana 46 



Stenacris forficulata sp. nov. Bruner Bolivia 49 



Stenacris cayenncnsis sp. nov. Bruner French Guiana 50 



Stenacris megaccphala sp. nov. Bruner French Guiana 52 



Tucayaca aquatica Bruner gen. & sp. nov BoHvia 53 



Tucayana normalis sp. nov. Bruner French Guiana 54 



Oxyblcpta minor sp. nov. Bruner Bolivia 52 



Henia surinama sp. nov. Bruner French Guiana 59 



Henia testacca sp. nov. Bruner Bolivia 59 



Henia steinbachi sp. nov. Bruner Bolivia 59 



Cornops pelagicum sp. nov. Bruner French Guiana 61 



Tetratcenia australis sp. nov. Bruner Bolivia 62 



Copiocera formosa sp. nov. Bruner French Guiana 66 



Copiocera boliviana sp. nov. Bruner Bolivia 67 



Zosperamerns vittatiis sp. nov. Bruner Bolivia 69 



Adelotettix ccernleipennis sp. nov. Bruner French Guiana 70 



Bucephalacris boliviana sp. nov. Bruner Bolivia 72 



