HANCOCK 109 



towards base, rarely subsinuate. Eyes prominent, sub- 

 globose. Antennje filiform little longer than the head, com- 

 posed of fourteen articles, inserted barely before the eyes. 

 Palpi not dilated, same color as body. Dorsum of pronotum 

 rather flattened, anteriorly truncate, posteriorly subulate pass- 

 ing the apex of femora or abbreviated; median carina low, 

 little elevated; humeral angles obtuse; lateral lobes posteri- 

 orly bisinuate, posterior lateral angle turned downwards little 

 oblicjLiely reflexed, ape.x subrounded. Elytra oval or elon- 

 gate, punctate; wings full}- explicate or abbreviated. 

 Anterior femora compressed carinate above, frequently undu- 

 late, middle femora more or less undulate, sinuate, or sinuato- 

 lobate below, posterior tibi.ne at apical third portion distinctly 

 ampliate, spinose, first article of posterior tarsi elongate, 

 longer than the third, the first and second pulvilli frequently 

 spiculate, the third straight below, longest. 



Paratettix, Bolivar, Ann. Soc. Ent. Belg., XXXI., 271 

 (1887); Morse, Psyche, 149, Oct. (1894); Scudder, Guide 

 Orth., 24 (1897); Hancock, Psyche, Syn. Subf. and Gen. N. 

 Am. Tettig., 7, Jan. (1900). 



The members of this genus are unusually aquatic, the 

 expanded tibia; acting in a measure as paddles for swimming. 



DISPOSITION OF SPECIES. 



I. Body rather broad between the shoulders, smoothly 

 granulate; vertex equal to one of the eyes or a little 

 wider. 



lA. Middle femora (juite slender, the width contained 

 about three times in the length, inferior margin 

 scarcely undulate. cucullatus, Morse. 



iB. Middle femora stouter, the width contained about 

 two and a half times in the length, inferior margin 

 decidedly undulate. texanits, sp. n. 



iC. Apical process of pronotum not passing posterior 

 femora; body more scabrous; rami of frontal costa 

 a little more widely separated. 



form texanus nanus, new. 



