398 SUPPLEMENT. 



14 (b). Diplotaxis cribriceps. 



Ovata, postice ampliata, nigro-pieea, minus nitida, supra dense et sat grosse annulato-punctata ; antennis palpis- 

 que pallide rufo-testaceis : clypeus brevis, trapezoidalis, lateribus fere rectis, margine antico paullo reflexo 

 parum sinuato, sutura frontali vis distincte impressa : thorax versus angulos posticos rotundato-dilatatus, 

 deinde ad angulum lateribus sinuatis, areola angusta, disci solum lsevi, basi valde marginata; elytra glabra, 

 striis punctatis geminatis plus minusve distinetis. Subtus et pedes nitida, grosse distanter punctata. 

 Ungues dente inferiore magis curvato. Pygidium parvum, politum, discrete grosse annulato-punctatum. 



long. 8-9 millim. 



Hab. Mexico, Tepetlapa in Guerrero (H. H. Smith), Cuernavaca (H'oge). 

 Three examples. 



14 (c). Diplotaxis carinifrons. 



Ovata, senescenti- vel viridescenti-fusca, glabra, antennis, palpis et pedibus rufo-testaceis ; caput dense confluenter 

 punctatum, clypeo breviter trapezoidali, lateribus et apiee sinuatis, fronte transversim crasse carinata, carina 

 medio interrupta punctata ; tborax post medium valde dilatatus, margine laterali post dil'atationem recto, 

 angulis posticis obtusis, supra dense (lateribus scabrose) punctatus, basi sulcato-marginata ; elytra asqualiter 

 dense punctul'ata, striis geminatis parum distinetis. 



Long. 9 millim. 



Hab. Guatemala, Capetillo (Rodriguez), Panzos in Vera Paz (Conradt). 



Two examples only were obtained of this species, recognizable by the transverse 

 ridges of the forehead situated close above the frontal suture. 



23 (a). Diplotaxis alutacea. (Tab. xxiv. fig. 12.) 



Oblongo-ovata, postice dilatata, castaneo-fusca, minus nitida, glabra, antennis palpisque rufo-testaceis ; caput 

 crebre punctatum, interstitiis reticulatim elevatis, interdum seabrosum, clypeo parvo, breviter trapezoidale ; 

 tborax latus et brevis, medio valde dilatatus ibique lateribus fere lobatis, ante etpost dilatationem sinuatis, 

 angulis posticis rectis, supra antice et postice transversim depressus, creberrime confluenter punctatus, 

 antice et postice medio juxta marginem area polita, basi immarginata; elytra dense sed subtiliter 

 punctulato-strigulosa, striis geminatis et lateralibus parum distinetis. Pygidium grossissime confluenter 

 punctatum. 



Long. 10 millim. 



Hab. Guatemala, Capetillo (Rodriguez), Coban in Vera Paz (Conradt). 

 Several examples. 



23 (b). Diplotaxis aurata. (Tab. XXIV. fig. 13.) 



Oblonga, fusco-viridis, aurescens, pedibus rufescentibus metallicis, antennis palpisque pallidis ; caput crebre 

 punctatum, clypeo brevi et lato, angulis late rotundatis, margine reflexo antice sinuato ; tborax medio 

 subangulatim dilatatus, angulis posticis obtusis sed distinetis, basi subtiliter marginata, supra toto crebre 

 sat grosse punctatus ; elytra seriatim fulvo-pilosa, grosse rugulosa et subtiliter spatiose et irregulariter 

 punctata. Pygidium parvum, grossissime punctatum, longe setosum. Ungues dente inferiore latiore et 

 breviore. 



Long. 10 millim. 



Hab. Guatemala, Panzos in Vera Paz (Conradt). 



A single example only has been received of this dislinct and easily recognizable 

 species. 



