NO. 1453. SOUTH AMERICAN GRASSHOPPERS— REHN. 387 



blackish; caudal tarsi with the two proximal joints dull purplish with 

 the tips and the third joint ochraceous. 



Mectsurementi^. 



mm. 



Length of body 33. 



Length of pronotum 6.2 



Length of tegmen .♦. I 32. 



Length of caudal femur \ 22. 



The type is unique. 



SCYLLINA SMITHI, new species. 



Tyj)es. — Male and female; Chapada, Matto G rosso, Brazil. May 

 (male) and September (female). (H. H. Smith.) [Cat. No. 9484, 

 U.S.N.M.] 



Allied to S. vari])€S. Bruner but slenderer and differing* in the longer 

 tegmina and caudal limbs, the fuller eyes, the subequal lateral lobes 

 and the more constricted lateral carinse of the pronotum as well as 

 the long-er, straighter, and mor(> hooked major tibial spur. 



Size medium; form slender. Head slightl}^ ascending; fastigium 

 rounded rectangulate, shallow, crescentic, interspace between the eyes 

 slightly greater than the dorsal width of the frontal costa, lateral 

 foveola3 oblong, impresso-punctate; angle of the fastigium and frontal 

 costa viewed laterad narrowly rounded in the male, moderately rounded 

 in the female, face distinctly and strongl}' retreating; frontal costa sub- 

 equal, slightl}^ constricted dorsad and faintly biseriate punctate; sup- 

 plementary facial carinas distinct, diverging ventrad; ej^es subtrigonal, 

 reniform, about half as long again as broad, pointed dorsad, dis- 

 tinctly longer than the infra-ocular portion of the gena?; antennse 

 slightly depressed proximad. Pronotum with the cephalic margin 

 slighth' arcuate, caudal margin obtuse-angulate, the angle broader 

 and more rounded in the female thf^n in the male, lateral carina dis- 

 tinct cephalad and caudad, obsolete mesad and strongly constricted; 

 median carina distinct, regular, cut very little cephalad of the middle; 

 lateral lobes about a third again as deep as long, cephalic and caudal 

 imargins straight, subparallel, ventral margin obtuse-angulate, more 

 rounded in the male than in the female. Tegmina elongate, extend- 

 ing considerably beyond the apex of the abdomen and exceeding the 

 tips of the caudal femora by slightly less than the length of the prono- 

 tum, costal dilation slight, tips rotundato-truncate; postradial area 

 irregularly areolate proximad, roughly biareolate distad, no distinct 

 intercalar}' vein present in the female, distinct in the male. Caudal 

 femora elongate, slender, distal inflation considerable, regular, distal 

 third quite slender, pattern of the pagina distinct; caudal tibia? with 

 ten to twelve lateral spines, longer internal spur over twice the length 

 of the shorter, rather straight with the tip hooked- 



