32 THE SPECIES OF THE GENUS MELANOPLUS. [Jan. 15, 



of male cerci angulato-convex with no inferior 

 emargination punctulatus. 



Lakinus series. This contains three species which range from 

 southwestern Nebraska and Colorado to central Mexico. Marcu- 

 lentus and sonorce are new species, the former named by Bruner ; 

 lakinus was described by me in 1879. 



Flabellifer series. The six species belonging here are evenly 

 divided between macropterous and brachypterous forms ; they are 

 fomid only west of the Mississippi, and mainly in the Cordilleran 

 region. They are occidentalis Thom. {vatiolosiis Scudd.), cuneaius 

 Brun. MS., flabellifer Scudd., discolor Scudd., simplex sp. nov., 

 and rileyanus McNeill MS. 



Bowditchi series. Here belong six species found almost altogether 

 in the southwest ; only one occurs a short distance east of the Mis- 

 sissippi. The species are herbaceus Brun., flavescens sp. nov., 

 pictus Brun. MS., bowditchi Scudd., flavidus Scudd. {cenchri 

 McNeill), and elongatus sp. nov. 



Glaucipes series. Two species only belong here : glaucipes 

 Scudd., from Texas and northern Mexico, and kennicottii Scudd., 

 which ranges from Montana to Alaska. 



Utahensis series. The three species belonging here are found 

 mainly in the Cordilleran region from latitude 38° northward ; 

 they are bruneri sp. nov., excelsus sp. nov., and utahensis 

 Brun. MS. 



Spretus series. There are seven species in this series which range 

 widely, some of them occurring in every part of the United States 

 except the southernmost Atlantic States and most of California, and 

 extending far north as well as to central Mexico. The species are 

 alaska?ius sp. nov., affinis Brun. MS., intermedins Brun. MS., 

 bilituratus Walk., defectus sp. nov., atlajiis Riley, and spretus 

 Uhler. 



Devastator series. The species are eight in number and almost 

 exclusively confined to California ; it is the characteristic group of 

 the Pacific Coast. They are diminutus sp. nov., consanguineus 

 sp. nov., sierranus sp. nov., ater^y^. nov., devastator Scudd. {aflinis 

 Coq.) occurring in four forms, virgatus McNeill MS., uniforinis 

 sp. nov. , and angelicus sp. nov. 



Impudicus series. There is but a single species, impudicus 

 sp. nov., found in the southern States east of the Mississippi. 



Aridus series. Here belong three species found in Arizona, 



