1897.] THE SPECIES OF THE GENUS MELANOPLUS. 83 



Lower California and the proximate part of Mexico. They are 

 hit mphreysit Thom., aridus ScudcL, and nitidus sp. nov. 



Indigens series. Contains a single Idaho species, indigens sp. 

 nov. 



Mancus series. The five species belonging here are brachypterous, 

 but have a wide range, though most of them are separately local. 

 They are scudderi Uhl. {unicolor Thorn.), giUetiei sp. nov., arte- 

 viisice Brun. MS., mancus Sm.ith, and cancri s\>. nov. 



Dawsoni series. A somewhat heterogeneous group with both 

 macropterous and brachypterous species and one dimorphic. They 

 are seven in number and occur almost wholly in the great interior 

 region between the Mississippi and the Rocky mountains, and extend 

 from Alberta to central Mexico. They are reflexus sp. nov., meridion- 

 alis sp. nov., militaris sp. nov., uigrescens Scudd. {zimmennamii 

 Sauss.?), daii'soni '^Q.w^^., {iellustris Scudd., ahditiini Dodge), g/ad- 

 stoni Brun. MS., and /^/;;/<?r/ sp. nov. 



Rusticus series. Seven species belong to this group, ranging 

 from Washington, South Dakota and Michigan to southern Cali- 

 fornia, Texas and Mexico, though, excepting in Montana, no two 

 species have yet been found in any one State. They are montanus 

 Thom., washiiigtonianus Brun., walshii sp. nov., aliitiidi?iu7n 

 Scudd. {7narshaliii Scudd., sanguinipes Brun. MS.), gracilipes 

 McNeill MS., geniculatus sp. nov., and I'listicus Stal. 



Borckii series. The six species grouped here are brachypterous 

 and are mainly confined to the Pacific coast from Washington to 

 California, but one species occurs also in Idaho and Wyoming, and 

 another is known only from San Luis Potosi, Mex. They are as 

 follows: pacificus Scudd., boi'ckii '^\^2\, ienuipamis McNeill MS., 

 missiotmm sp. wov., fuscipes McNeill MS., and sciiulus sp. nov. 



Puer series. Contains only two species from Texas and Florida, 

 flabellaius Scudd., and/2^<fr Scudd. 



Inornatus series. Three species belong here, found one in 

 Mexico, another in North Carolina and the third in Illinois and 

 Indiana. They are inortiaius McNeill MS., viridipes Walsh MS. 

 {j)i}'idicnis Walsh MS., viiddulus McNeill), and dccoj-us sp. nov. 



Fasciatus series. This group is not very homogeneous, apart 

 from its containing both brachypterous and macropterous forms. 

 There are eight species and their range is not very concordant; one 

 comes from the extreme north (barren grounds) of Labrador and 

 from Greenland ; two from Florida only ; another from Oregon and 



PROC. AMEK. PHI LOS. SOC. XXX VI. 154. C. PRINTED APRIL 20, 1897. 



