].S0 Mr. Bai.v on new Phytojihauoiis Coleo])tern. 



posterior angles obsolete ; above transversely convex, smooth and 

 shining, the middle of the anterior margin stained with lihick. 

 Scutellum large, trigonate, shining black, its apex piceous. 

 l']lytra distinctly lobed at the base, finely but distinctly punctatp- 

 striate, interspaces smooth and shining, impressed here and thero 

 Avith distinct punctures. Bod}^ beneath sparingly clotlied witli 

 adjiressed hairs, apical segment of al^domcn trilobate. 



DindphtliffJiiia luinftiiiiili.^. niilii. 



Angu.ste ovata, postice attenuata. fulva, nitida, autennis (basi 

 excepta), tibiis apice tarsisque nigris. Long. 1^-2 lin. 

 Ilnl). Pani, IJio Tapajos, Ega. 



Head smooth, impunctate, eyes liordered within by a deep 

 groove; four lower joints of antenna? pale piceous, the rest black. 

 Thorax more than twice as broad as long ; sides rounded at the 

 base, converging from the middle to the apex, anterior angles 

 distinct, hinder angles obsolete ; surface under a lens minutely 

 but distinctly punctured. Scutellum large, trigonate, sides 

 sinuate near the apex, the latter roimded. Elytra finely 

 ])unctate-striate, the interspaces impressed Avith fine punctures, 

 which render the stride indistinct. Body beneath clothed Avith 

 adpressed hairs ; apex of the last filidoniinal segment trilobate, 

 the middle lobe indistinct. 



Piotophana Aiitazdita, niihi. 



iSubtus obscure rufa, dense albido tcmentosa, abdominis lateri- 

 Inis pygidioque cupreis ; supra cuprea, glabra, thoracis lateribus 

 capiteque inter oculos albido-pilosis ; elytris obscure cu])reis. 

 fortiter et irregulariter punctato-striatis, utriscpie macula liumer- 

 ali, antice emarginata, fuh^a ornatis ; antennis nigi'is. Long, 

 21 hn. 



Ilab, Borders of the river Amazon. 



Similar in form and coloration to P. tomentosa, Lac, it is. 

 hoAvever, very distinct from that species, and maj^ at onc(^ l>e 

 knoAvn by its entirely glabrous elytra, and also by the punctures 

 on their surface being arranged in irregular stria?. Face concave 

 lietween the eyes, the latter distinctly notched, surface finely but 

 distinctly punctured, vertex granulose ; clypeus not separated 

 from the face liy a sutiu-al line, its surface obliquely defiexed, 

 smooth, impunctate, the anterior border deeply angulate- 

 emarginatc. Tliovax tAvice as liroad as long at the liase, basal 

 lobe i-etlexed, olituscly tvuucalc: sides rounded and iiari'oAvcd 

 from l)ase to apex, more (piickly converging towards the latter, 



