336 NEW TROPICAL AMERICAN ORTHOPTERA 



face rather strongly and regularly retreating; frontal costa at the dorsal angle 

 faintly more than one-half as wide as the interocular space, the margins ex- 

 panding thence to the inter-antennal section, which is half again as wide as the 

 fastigio-facial angle, ventrad faintly narrowed, then faintly and gradually 

 expanding to the clypeal suture, surface of the costa punctato-excavate dorsad, 

 distinctlj'^ excavate and sulcate ventrad of the interantennal regions, margins 

 carinate; supplementary facial carinae moderately sinuate, diverging ventrad: 

 eyes moderately prominent when seen from the dorsum, in basal outUne broad 

 ovate, their depth nearly twice that of the infra-ocular sulcus: antennae shghtly 

 less than one and one-third tinies as long as the dorsum of the head and pro- 

 notum together, weakly depressed. 



Pronotum elongate, dorsal length shghtly more than one and one-half times 

 the greatest width of the dorsum, not seUate when seen from the side, the dorsal 

 line nearly straight in profile; cephaUc margin of disk subtruncate, caudal 

 margin of same obtuse-angulate with the angle rather narrowly rounded, lateral 

 angles of the disk rounded, subparallel; median carina distinct, prozona form- 

 ing slightly more than one-half the length of tlie dorsum of the pronotum, 

 metazona ruguloso-punctulate; transverse sulci distinct, the caudal one alone 

 severing the median carina: lateral lobes about one-fourth longer than the 

 greatest depth of the lobes; cephalic margin of lobes shghtly obUque truncate, 

 ventro-cephalic angle broadly rounded obtuse, ventral margin broad obtuse- 

 angulate with the median angle rounded, ventro-caudal angle broadly rounded, 

 nearly rectangulate, caudal margin sinuato-truncate. Tegmina surpassing 

 the apices of the caudal femora bj^ one-half the dorsal length of the pronotum, 

 narrow, subequal, apex rounded. Wings reaching to the apices of the tegmina. 

 Prosternal spine prominent, erect, conical; interspace between the mesosternal 

 lobes distinctly longitudinal, its least width equal to less than one-half the 

 length of the interspace, internal border of the mesosternal lobes arcuate, meso- 

 caudal angles of same rounded rectangulate: metasternal lobes attingent. 



Furcula developed as brief, attingent, simple fingers, which are no more than 

 one-sixth of the length of the supra-anal plate: supra-anal plate in general 

 trigonal, the lateral margins parallel in the proximal two-fifths, thence straight 

 convergent to the apical fifth, where the margin is broadly obtase-angulate ; in 

 the medio-longitudinal section the plate is moderately elevated, in the proximal 

 half this is distinctly sulcate, narrowing distad, while immediately proximad 

 of the apex of the plate there is a slight median impression, laterad of the 

 median elevated area the plate is longitudinally and convergingly concave: 

 cerci about one and one-third times as long as the supra-anal plate, moderately 

 compressed proximad, strongly compressed distad; proximad, when seen from 

 the side, tapering from the broad base to the very narrow middle, distal half 

 sharply angulate inwards at an angle of forty-five degrees to the proximal half, 

 in side view very broad subfalciform, the dorsal margin strongly arcuate, con- 

 vex, ventral margin gently concave, the tip acute: subgenital plate produced, 

 elongate, scoop-shaped, regularly narrowing when seen from the dorsum, the 

 apex rounded, when seen from the side the margin is moderately sigmoid, 

 weakly cingulate proximad. 



