(299) 



Notices of new or little l-noivn Cetoniid.e ; by Oliver E. 

 Janson, No. 4. 



Ischnostoina rostrata, n. sp, 



I. iiigro-picea, opaca, sparse nigro-setosa, capite postice maculis 

 duabus, clypeo vitta utriuque, tborace basi et margiuibiis laterali- 

 biis, elytris marginibus externis siituraque postice anguste margari- 

 taceo-albis ; clypeo elongato, antice utrinque jn-of uncle exciso, 

 angulis acutis, medio iu procussu clavato producto, $ . Long 21, 

 lat. 10 mm. 



Head coarsely punctured and sparsely pubescent ; clypeus 

 twice as long as broad, anterior angles strongly pi-oduced into 

 acute and slightly convergent points, sides almost straight, anter- 

 ior margin Avith a central narrow porrect horn transversely 

 produced at the apex, the centre with an elevated longitudinal 

 ridge ; dull black, tAvo spots between the eyes and a stripe on 

 each side of the clypeus pearly "white ; antenna? black, club not 

 very long, yellow beneath. 



Thorax almost hexagonal, obliquely widened from the base to 

 the middle, thence narroAved to the front, basal margin sUghtly 

 rounded, anterior margin slightly emarginate, sides and apex 

 Avith coarse scattered punctures and sparse black set£e ; dull 

 broAvnish black, the sides and base narroAvly margined Avith 

 pearly white. 



Scutellum large, triangular, the sides Avitli an impressed 

 marginal line, impunctate ; dull broAvnish black. 



Elytra half as long, again as the thorax, strongly rounded 

 behind, the disc Avith tAvo faintly elevated longitudinal ridges, 

 impunctate ; dull piceous-black, the shoulders slightly shining, 

 AAT-th a narroAv pearly Avhite marginal line commencing just 

 behind the humeral angle, extending to the apical angle and 

 continued more narroAvly along the suture for about half its 

 length. 



Pygidiimi large and vertical, shghtly SAVollen, smooth, dull 

 silky black, with a small Avhite spot on each side. 



Beneath pitchy black, shghtly shining, finely striolate, and 

 Avith long black hairs; mesosternum pimctured and impressed in 

 the centre, the process very small ; abdomen compressed, the 



