22 DESCRIPTIONS OF NEW SPECIES. 



two black spots, the first about one-third from the base, the 

 second more than one-third from the tip ; outside of the third 

 line are three spots, the first angulated, the second curved and 

 touching the tip of the third line, the third parallel with the 

 margin, and touching the tip of the second line. 



CEL.OTA Arai. 



69. C. grossula. Piceo-rufa nitida, elytris obscnris hand dense 

 punctatis, punctisque majoribus triseriatim digestis, serie interna evi- 

 dentiore, apice conjunctini breviter acuniinatis. Long. -22. 



Louisiana ; a specimen kindly given me by Mr. Ulke. This 

 species is very much larger than G. angustata, but agrees with it 

 in form, color, and sculpture ; the upper surface is, however, a 

 little more convex, and the sides of the thorax slightly less 

 rounded. 



COLPIUS Lec. 



Corpus rotundatum, convexurn, postice acuminatum ; antennae filiformes ; 

 palpi maxillares articulo ultimo fusiformi acuto, labiales articulo ultimo 

 elongato triangulari apice emarginato ; pro-sternum apice rotundatum, 

 postice truncatum, concavum lateribus et apice acute marginatum ; tibiae 

 anticae latiusculae, apice unco elongato extrorsum armatae, intermediae sim- 

 plices, posticae longe ciliatae ; tarsi articulo lmo elongato, sequentibus tri- 

 bus parvis aequalibus, ultimo praecedentes tres aequante, unguiculis parvis 

 sequalibus, antici maris articulis tribus dilatatis, primo maximo, trian- 

 gulari. 



This curious genus has the form of the convex rounded Hydro- 

 porus, such as H. cuspidatus. 



'VO. C inflatus. Globosus, postice obtuse acuminatus, niger opacus, 

 dense punctulatus, et parcius rugosus et punctatus, capite macula 

 magna frontali rufo-picea, thorace linea subapicali transversa insculpto ; 

 ore, antennis pedibusque piceo-ferrugineis. Long. •14. 



Louisiana ; I have also a specimen said to have been found at 

 New York. The genus was first indicated by me in my Classifi- 

 cation of Coleoptera p. 40. 



H1DROCAJTTHUS Say. 



Tl. H. naiilllllS. Elongato-ovalis, postice paulo magis attenuatus, 

 rufo-testaceus nitidus, impunctatus, elytris paulo saturatioribus, an- 

 tennis pedibusque pallidioribus. Long. -05. 



Louisiana ; Dr. Schaum. The very small size at once distin- 



