Mr. IjALY on vr./n FJiyfophar/ovs Coleoptera. 129 



Head coarsely, front finely pnnctured, 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 

 but 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 ])laced transversely across the lower portion of 

 the disk, the two lateral ones confluent with 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 with 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. 



Merialopiis vlttaticollis, mihi. 



Elongatus, parallelus, flavus, nitidus, supra pube nigro 

 vestitus, capite (facie inferior! excepta), thoracis macula apicali 

 et utrinque vittula, tibiis tarsisque 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 hunierali 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. I^auta, Upper Amazons. 



Head coarsely punctured, face between the upper part of the 

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

 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 ; 

 apices of jaws piceous. Thorax transverse, subcylindrical, 

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

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

 tubercule ; surface coarsely punctured, a longitudinal space on 

 the middle of the disk free from punctures ; a transverse medial 

 patch on the anterior border, together with 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 



