,384 I'l^Of 'J-^I'^^> iy< ■>' OF THE XA TIOXA L M I 'SE CM. v. . i- x x x . 



atelv (listiiK-t on the dorsal surface are practically obsolete on tlie 

 external face, the dorso-lateral region being suffused with a longi- 

 tudinal blackish-brown bar. 



SCYLLINA Stal. 

 SCYLLINA UNIFORMIS, new species. 



Ti/pe. — Female; Chapada, Matto (Jrosso, Brazil. April, (H. H. 

 Smith.) [U.S.N. M. No. W82.] 



A peculiar species in some respects resembling Boopedon^ the weak 

 and but moderatel}" bowed lateral carina^ of the ])ronotum and the 

 rather uniform coloration l)oing distinctive. 



Size medium; form robust, moderately ))ut distinctly compressed. 

 Head with the fastigium sul)rectangulate; depressed area crescentic 

 cephalad and becoming indistinct caudad, interspace between the eyes 

 slightly less than twice the width of the dorsal portion of the frontal 

 costa; lateral foveohe indistinct, impresso-punctate; frontal costa 

 tumid, sube({ual, slightly constricted dorsad, lateral facial cariiuv dis- 

 tinctly diverging ventrad; fastigium rounding into th(> frontal costa 

 wluMi viewed laterad; no distinct angle present; eyes acute reniform, 

 slightly longer than the infra-ocular portion of the gena'; antenn<>3 

 less than twice the length of the head, depressed except distad. Pro- 

 notum but little longer than greatest width; cephalic margin vcny 

 broadly obtuse-angulate, caudal margin o])tuse-angulate; median carina 

 distinct, soiuewhat elevated, latei'al carina very wx-ak, marked more 

 by callosities than true carinal ridges, moderately constricted, obsolete 

 mesiid; transv(M'se sulcus bis(>ctiiig tlu^ median carina very slightly in 

 advance of the middle*; lateral lobes very nuich deeper than long, ven- 

 tral margin ol>tuse-angulate. Tegmina slightly exceeding the tij)s of 

 the caudal femora; costal margin ai'cuate, with a slight basal ex})an 

 sion; apical margin ()bli(|uely rotuiulato-truncate; postradial area 

 irregularly areolate and without a distinct intercalary vein. Wings 

 large, costal margin distinctly arcuate distad. Ceplialic and median 

 limbs slender. Caudal femora robust, evenly and regidarly but dis- 

 tincth' constricted in the pregenicular region, the proximal half con- 

 siderably inflated, external pagina well marked; caudal tibia* armed 

 laterad with ten spines, longer intiM-nal calcar \'ery slightly more than 

 twice the length of the shorter. 



(ieneral color between liver-brown and ch(\stnut. Head suffused 

 slightly with hoary; eyes tawny-olive; antenna* buff. Pronotum deep 

 liver-brown, unicolorous. Tegmina very obscurely blotched with 

 quadrate s))ots, between which the tegmen is hyaline, except proxi- 

 mad, where it is more coriaceous. Wings hyaline, with a very slight 

 greenish-yellow suffusion proximad, apex slightly suffused. Limbs 

 vinaceous-cimiamon and liver-])rown; caudal femora with verv obscure 



