Biological Papers. 163 



Family Acridiid^. 

 Anconia Integra Scudd. Bill Williams fork. 



Heliastes aridus Brun. Bill Williams fork, San Bernardino'ranch,* Con- 

 gress Junction, Baboquivari mountains, 

 benjamini Caud. Baboquivari mountains, 

 minimus Scudd. Bill Williams fork. 

 Tytthotyle maculata Brun. Bill Williams fork. 

 Brachystola intermedia Brun. San Bernardino ranch. 



Phrynotettix magnus Thorn. San Bernardino ranch,«Baboquivari mountains. 

 Paropomala cylindrica Brun. San Bernardino ranch. 

 Leptysma marginicollis Serv. Bill Williams fork. 

 Schistocerca shoshone Thom. Bill Williams fork, San Bernardino ranch. 



vaga Scudd. Bill Williams fork, San'" Bernardino ranch,lTuc- 



son, Baboquivari mountains, 

 venusta Scudd. Oak Creek canyon. 

 Conalcoea huachucana Rehn. Baboquivari mountains. 

 Hesperotettix festivus Scudd. Tucson, Baboquivari mountains, 

 ^oloplus tenuipennis Scudd. Bill Williams fork. 

 Melanoplus aridus Scudd. San Bernardino ranch. 



atlantis Riley. San Bernardino ranch, Baboquivari mountains. 



brownii Caud. Baboquivari mountains. 



canonicus Scudd. Bill Williams fork, Tucson. 



differentialis Uhl. San Bernardino ranch. 



femur-rubrum De G. San Bernardino ranch. 



flavescens Scudd. Bill Williams fork. 



flavidus Scudd. Oak Creek canyon, Bill Williams fork, San 



Bernardino ranch, 

 olivaceus Scudd. Oak Creek canyon, 

 spretus Uhl. Tucson, Baboquivari mountains, 

 thomasi Scudd. San Bernardino ranch, 

 yarrowi Thom. Bill Williams fork. 

 Phoetaliotes nebrascensis Thom. San Bernardino ranch. 

 Poecilotettix sanguineus Scudd. Bill Williams fork. 

 Dactylotum pictum Thom. Baboquivari mountains. 



Family Locustid.'e, 

 Hormilia elegans Scudd. San Bernardino ranch. 

 Aretha?a constricta Brun. Baboquivari mountains, Tucson. 

 Scudderia furcifera Scudd. Oak Creek canyon. 



mexicana Sauss. Tucson, Baboquivari mountains. 

 Amblycorypha huasteca Sauss. Oak Creek canyon. 

 Microcentrum laurifolium Linn. Oak Creek canyon. 

 Conocephalus mexicanus Sauss. Bill Williams fork. 

 Xiphidium f asciatum De G. San Bernardino ranch. 

 Capnobotes fuliginosus Thom. Congress Junction, San Bernardino ranch, 



Baboquivari mountains. 

 Eremopedes ballii Caud. Oak Creek canyon, Baboquivari mountains. 



unicolor Scudd. San Bernardino ranch, Baboquivari mountains. 

 Plagiostira gracilis Rehn. Nevs^ species. (Trans. Kan. Acad. Sci., vol. XIX, 



p. 227.) Bill WiUiams fork. 



