^ 



IOWA ACADEMY OF SCIENCES. 39 



only such fragmentary collecting, if any, can be done for many 

 years, still we seem warranted in concluding 



j^/y.,sf._That the region west of the divide supi^orts numer- 

 ous species which belong to the plains fauna of Nebraska and 

 the Dakotas, and reach their eastern limit in the corner of 

 Iowa. 



,%co??f?.— That southern forms extend farther northward in 

 the Missouri valley than in central Iowa, and 



Third. — That the extreme northern portion includes some of 

 the species of the boreal zone not observed elsewhere in Iowa. 



SIOUX CITY. 



r-, ■ s r\ 



Hecalus lineatus, Paramesus twiningi, P. vibellinus, Deltocephalus pec- 



tinatusi D. compactus, D. cruciatus, 'D. inflatus, D. nigrifronsrD. melschei- 



meri, Lonatura catalina, Driotura robusta',^. gammaroidea', Eutettix strobi, 



'Chlorotettixspatulata,'!Phlepsius truncatus, P. altus, Gnatodus abdominalis, 



- Macropsis apicalis, Agallia sanguinolenta';:^A. uhleri,'"A. cinerea. 



Chariesterus antennator, Mecidia longula, Perillus circumcinctus, 

 Palacocoris suavis, Reut? 



LITTLE ROCK. 



'^Dorycephalus vanduzei,'4'aramesus vitellinus, Neocoelidia tumidifrons, 



^^Deltocephalus pectinatus, D. albidus, D. reflexus, D. signatifrons,' D. cruci- 



atus, D. oculatus/ D. melscheimeri,AD. inflatus, *D. configuratus, D. argen- 



teola7l>. collinus, D. inimicus/Lonatura catalina,^'L. megalopai- Driotura 



robusta,KD. gammaroidea,-''Thamnotettix SQiithi,^T. ciliata,^ Chlorotettix 



spatulatai?C. unicolor, Phlepsius lobatus, Athysanus striatulu,s,-lA.. magnus, 



'^A. comma,^A. colon,-'A. punctatus?Cicgidula 6-notataV-Parabolocratis viridis, 



^Idiocerus duzei, ^lacropsis apicalisfPediopsis viridiSjKAgallia sanguino- 



lenta,<A.. cinerea, A. aovellat-^hilsenusbilineatus. 



Systratiotus americana, Mimoceps gracilis, Largidea opaca(var.) Phyto- 

 coris sp. Harmostes reflexulus. 



CHEROKEE. 



l/tlecalus lineatus," Deltocephalus pectinatus, D. argenteola,' D. inimicus, 

 I, D. oculatuSj'D. melscheimeri,*Chlorotettix spatulataA, C. unicolor,^Athysanus 

 striatuluSj'^A. comma,'^. colon,i^hlepsius altus,' Parabolocratis viridis. 



ROCK RAPIDS. 



|/Deltocephalus nigrifrons'pD. sayij-D. inimicus, 'Athysanus comma,'<:;ica- 

 dula 6 notata'y''C. variata. 



SIOUX FALLS, S. D. 



f Paramesus vitellinus, 'Neocoelidia tumidifronSj'^eltocephalus inflatus, 

 Ophlepsius decorus. 



YANKTON, S. D. 



vl^eocoelidia tumidifrons,'Deltoceplialus pectinatus^ D. nigrifrons, Platy- 

 metopius sp.'f Chlorotettix spatulata,^C. unicolor, ^Athysanus striatulus,''A. 

 comma,K5icadula 6-notata^^nathodus abdominalis. 



