94 STUDIES IN AMERICAN TETTIGONIIDAE (oRTHOPTERA) 



Type: cf; Billy's Island, Okeefenokee Swamp, Georgia. June, 

 1912. (J. Chester Bradley.) [Acad. Nat. Sci. Phila., Type 

 no. 5275.] 



Description of Type. — Size rather small (for the genus); form moderately 

 compressed; surface glabrous dorsad, somewhat polished laterad, on the face 

 and on the limbs. Head with the occiput following the general curve of the 

 dorsum of the pronotum; fastigium, when seen from the lateral aspect, broadly- 

 rounding into the moderately retreating line of the face, when seen from the 

 dorsum the fastigium is very broad, the width equal to the greatest depth 

 of the eye, the ventro-lateral margins of the fastigium rectangulate conver- 

 gent, the ventral extremity faintly produced, narrow, truncate and in fuU 

 contact with the facial fastigium; eyes subcircular in outline, flattened ceph- 

 alad, theu' greatest depth not more than two-thirds that of the infra-ocular 

 portion of the genae; antennae moderately surpassing the apex of the abdomen. 

 Pronotum when viewed from the lateral aspect appreciably arcuate cephalo- 

 caudad, distinctly compressed, the disk narrow, subequal, the greatest caudal 

 width of the disk but 38 per cent of the greatest length of the same, the lateral 

 angles of the disk straight, subparallel, but moderately indicated and well 

 rounded into the lobes; cephaHc margin of the disk gently arcuato-emarginate, 

 caudal margin of the disk moderately arcuate, more rounded laterad where 

 it passes into the caudal margin of the lateral lobes, surface of the disk with 

 the faintest possible indication of a median carina; lateral lobes of the pro- 

 notum with the greatest depth contained one and three-fom'ths times in the 

 greatest dorsal length of the same, cephalic margin of the lobes weakly arcuato- 

 emarginate, ventro-cephalic angle broadly rounded obtuse-angulate, ventral 

 margin gently convex, ventro-caudal angle broadly obtuse, caudal margin 

 of the lobes obhque with a distinctly indicated though shallow humeral sinus. 

 Tegmina relatively narrow, projecting nearly a third their length caudad of 

 the caudal margin of the pronotal disk, distal margin well rounded, costal 

 margin nearly straight, marginal field of medium width at base and becoming 

 narrower distad, mirror relatively of medium size, of a subquadrate form. 

 Abdomen distinctly tricarinate, the lateral carinae about as distant from one 

 another as the lateral angles of the pronotal disk, all becoming weaker caudad; 

 disto-dorsal abdominal segment rather deeply acute-angulate emarginate 

 mesad, the lateral angles of the same sharp and acute, the emarginations at 

 the cereal bases strongly contrasted in consequence; supra-anal plate brief, 

 rounded rectangulate, with a median deep longitudinal sulcus in the greater 

 (distal) portion of its length; ccrci short, robust, distal extremity subattenuate, 

 acute, very faintly sublamellate on internal margin, tooth median, robust, 

 strongly falcate; subgenital plate relatively narrow, distal margin subfissate 

 mesad, styles slender, terete, faintly longer than the width of the distal 

 margin of the plate. Prosternum imspined; mesostcrnal lobes acute-angulate 

 with their apices submammillate. Cephalic and median limbs rather short 

 (for the genus). Caudal femora elongate, considerably over twice the length 

 of the pronotal disk, moderately inflated proximad and passing regularly 

 into the slender distal portion, internal margin with four to six spines; caudal 

 tibiae when flexed against the femur slightly shorter than the latter, exiernal 



