Mr. Baly on new PhijfoiilKuiom Coleoptera. 129 



Head coarsely, front finely punctured, face between the eyes 

 variolose punctate on either side, intermediate space thickened, 

 nearly free from punctures. Thorax cylindrical, deeply con- 

 stricted at the apex, less deeply so at the base, rather strongly 

 l)ut not very closely punctured, shining black, the entire limb 

 with the exception of a short space in the middle of the apical 

 and basal margins, pale yellow ; in addition are four small con- 

 colorous spots placed transversely across the lower portion of 

 the disk, the two lateral ones confluent Avith the limb. Elytra 

 parallel, elongate, depressed along the suture, basilar space 

 elevated, bounded on either side by an oblique groove ; surface 

 coarsely but not closely punctured, clothed Avith suberect black 

 hairs ; at the apex is a distinct patch of silvery sericeous 

 pubescence ; on each elytron, placed close to the suture, is a 

 small yellow spot. 



Merialnpiis vittuticolliA, mihi. 



Elongatus, parallelus, flavus, nitidus, supra pube nigro 

 vestitus, capite (facie inferiori excepta), thoracis macula apicali 

 et utrinque vittula, tibiis tarsisc^ue posticis nigris ; thorace 

 transverso, apice valde, basi modice constricto ; elytris parallelis, 

 basi elevatis, dorso depressis, linea laterali, linea submarginali, 

 sutura apiceque fuscis, vitta basali, callo humerali posita nigra. 



Mas. Trochanteribus posticis obtuse spinosis, femoribus ejus- 

 dem paris valde incrassatis, subtus ad basin tuberculo obtuso 

 armatis ; tibiis posticis robustis, curvatis, basi attenuatis, intus 

 ante apicem sinuatis. Long. 5 lin. 



Hab. jSTauta, Upper Amazons. 



Head coarsely punctured, face lietween the upper part of the 

 eyes impressed with a deep ill defined oblong fovea, below Avhich 

 is a raised triangular impunctate space, extending downwards 

 to the upper margin of the clypeus ; lower half of the latter, 

 together with the mouth fulvous, clothed with concolorous hairs ; 

 ai)ices of jaws piceous. Thorax transverse, subcylindrical, 

 strongly constricted in front, moderately so at the base, sides 

 just in front of the hinder angle armed with a large acute 

 tubercule ; surface coarsely punctured, a longitudinal space on 

 the middle of the disk frc;e from punctures ; a transverse medial 

 l)atch on the anterior border, together willi a short vitta on 

 either side just in front of the basal margin, black. Scutellum 

 trigonate. Elytra broader than the thorax, depressed, longitu- 

 dinally and irregularly excavated along the inner disk, basilar 

 space slightly elevated ; the apex, a marginal line, a faint 



