HANCOCK 77 



eyes, viewed in front the rami moderately divergent, a little 

 more separated at the median ocellus. Pronotum anteriorly 

 truncate, the antero-dorsal margin scarcely angulate, posteri- 

 orly acute, apical process abbreviated; dorsum between the 

 shoulders broad, transversely sharply- tectiform, humeral 

 angles strongly obtuse, carinate; median carina of pronotum 

 distinctly elevated, compressed between the shoulders, towards 

 the front convex, posteriorly nearly straight or scarcely sub- 

 sinuate concave; dorsum transversely between the carinae 

 concave; lateral lobes posteriorly bisinuate; the superior sinus 

 shallow, the inferior sinus widely angulate, the median lobule 

 between the two feebly developed; posterior inferior angle of 

 lateral lobes obtuse, widely rounded below and somewhat 

 laterally distended. El3tra elongate, towards the apex sub- 

 acuminate; wings abbreviated, extended nearly to the apex 

 of pronotum, but not so far as the end of ovipositor. Femoral 

 margins entire or barely subsinuate at lower margins of first 

 and second femora; posterior femora rather slender. 



Body, J", 10 mm.; pronot., g mm.; post, fem., 5.5 mm. 



Locality, near Lake of the Woods (Scudder), type speci- 

 men; St. Anthony Park, Minn. (Lugger); Nebraska (Bruner); 

 Colorado (Cockerell); Canada (Scudder); New Mexico 

 (Scudder). 



Tettix acadicus, Scudd., Ann. Rept. Chief Eng., 515 

 (1876); Bruner, Publ. Nebr. Acad. Sc, IIL, 29 (1893); 

 Cockerell, Trans. Am. Ent. Soc, XX., 337 (1894); Scudd., 

 Proc. Bost. Soc. Nat. Hist., XXVIL, 209, 217(1896); Bruner, 

 Ann. Rept. Nebr. b. ag., 1896, 138 (1897); Scudd., Cat. 

 Orth. U. S., 16 (1900); Scudd., Index. N. Am. Orth., 316 



(1901). 



The figure of Tettix ornatus, given by Lugger m his 

 Orthoptera of Minnesota, page 109, appears to have been 

 drawn from a specimen of Tettix acadicus. The writer infers 

 this from the hair line, the robust character of the figure, and 

 the abbreviated pronotum and wings. The figure here given 

 is drawn from Mr. Scudder's type specimen. 



