120 TETTIGID.S OF NORTH AMERICA 



margin entire, inferior margin subsinuate at outer third part; 

 middle femoral margins strongly compressed, inferior margin 

 at the middle distinctly lobate; the width of middle femora 

 contained nearly twice in the length: posterior femora stout, 

 oblique ridges of external pagina frequently tumescent; first 

 and second pulvilli of posterior tarsi acute, the third pulvilli 

 straight below, the first tarsal article little longer than the 

 third. 



Length body, \ (to apex of femora) lo mm.; pronot., 7 

 mm.: post fem., 6 mm.; ', S mm.; pronot., 6 mm.; post, 

 fern., 5 mm. 



Locality, Cuernavaca, Alex. (Barrett) Hancock; Cocula 

 Guer'o, Mex. (Barrett) Hancock; Preston, Ariz. (R. E. Kunze); 

 Baker, Coll., New Mexico, Hancock. Recorded from Cali- 

 fornia, Nebraska, Nicar., Low. California. 



Tettix toltecus, Sauss., Rev. Mag. Zool., 401 (1861); 

 Paratettix toltecus, Bol., Ann. Soc. Ent. Belg., xxxi., 273 

 (1887'); Riley, N. Am. Fauna, vii., 251 (1893); I^run., Publ. 

 Neb. Acad. Sc, iii., 29 (1893); Towns., Lis. Life, vi., 31 

 (1893); Brun., Bull. Lab. Nat. Hist. Univ. Iowa, iii., pt. 3, 

 62 (1895); Brun., Ann. Rept. Neb. Bd. Agric, 1896, 138 

 (1897); Scudd., Cat. Orth. U. S., iS (190OJ; Morse, Biol. 

 Cent. Am. Orth., ii., ii, 12 (1900). 



Race arizoiiHS new. Specimens from Preston, Arizona, 

 present certain peculiarities, viz.: female light spotted with 

 fuscous; dorsum moderately elevated between the shoulders, 

 transversely subtectiform, scabrous; before the shoulders 

 extending downwards on either side of lateral lobes the pro- 

 notuni appears inordinately sulco-rugose. 



Length of body, female, 9.5 mm., male, 7.5 mm.; [jronot., 

 5, 7 mm., $, 6 mm.; post, fem., $, 5.5 mm., t, 4.5 mm. 



New Mexican specimens have the surface of body rather 

 smoothly granulate; the median carina of jjronotum subcom- 

 presso-elevated throughout, a little more elevated before the 

 shoulders, between the shoulders transversely tectiform. In 

 this and the preceding variety there is evidence of small 

 tubercles projecting laterally from the external pagina of pos- 



