1852.) -. 43 
Henicuus Er. 
A. Elytra vitta suturali nitida, fere glabra. 
1. H. striatus, elongatus, atro-olivaceus, fere opacus, thorace confertim punc- 
tato, latitndine vix breviore, antrorsum angustato, lateribus rotundatis, disco 
ante basin elevato, medio impresso, basi subito depressa, utrinque foveata, elytris 
striis punctatis sat profundis, interstitiis alternatim paulo elevatis, sutura nitida. 
Long. -24. Vermont. C. B. Adams. 
2. H. basalis, minus elongatus, obscure olivaceus, subnitidus, thorace 
punctato, latitudine breviore, antrorsum angustato, lateribus versus basin valde 
inflexis, disco ante basin transversim elevato, basi depressa, elytris seriatim 
foveatis, seriebus internis duabus minus distinctis, usque ad striam Siam nitidis. 
Long. *19. 
Pennsylvania, Dr. Melsheimer. Troy, (N. Y.) Prof. Adams. This species 
was given me by Dr. Melsheimer as Parnus fastigiatws Say, from which it 
differs by having the posterior angles of the thorax rectangular; the hairs on the 
shining part of the elytra are sparse, but not at all fasciculate. 
3. H. foveatus, elongatus, atro-olivaceus, fere opacus, thorace confertin 
punctato, latitudine non breviore, antrorsum rotundato, minus angustato, disco 
versus basin minus subito depresso, utrinque foveato, elytris striis grosse punc- 
tatis interstitiis internis tribus nitidis. Long. +20. | 
Sta. Fe (New Mexico.) Fendler. 
4. H. suturalis, elongatus, obscure olivaceus, opacus, thorace confertim 
punctato, latitudine non breviore, antrorsum non angustato, angulis posticis rec- 
tis, elytris seriatim punctatis, vitta suturali nitida. Long -20. 
San Diego, California. One specimen. 
B. Elytra equaliter pubescentia. 
5. H. productus, elongatus, obscure olivaceus, opacus, thorace confertim 
punctato, latitudine non breviore, antrorsum vix angustato, angulis posticis 
acutis productis, elytris seriatim punctatis, versus suturam subnitidis. Long. 30. 
San Diego. 
6. H. lithophilus Er. Ins. Deutschl. 510. Elmis lithophila Germ. Ins. 
Nov.88. Pennsylvania and New York. 
7. H. Gilensis, elongatus, obscure olivaceus, opacus, thorace confertim 
punctato, antice vix angustato, lateribus ad basin paulo inflexis, angulis posticis 
rectis, elytris totis opacis, seriatim punctatis. Long. :17. 
One specimen found near the villages of the Pimas, in the valley of the Gila. 
8. H.fastigiatus. Parnus fastigiatus Say. Long’s Exped. 2, 275. Un- 
known to me: belongs to division A. 
Div. 3. Elmini Er. 
Coxe antice subglobose; abdomen 5-articulatum. 
Liunivs Mull. Er. 
1.L. fastiditus, fusco-eneus, oblongo-ovatus, thorace punctato convexo, 
angulis anticis porrectis, posticis acutis, striola basali utrinque impresso, elytris 
seriatim punctatis, parce punctulatis, vitta utrinque flava, integra, ad humerum 
paulo dilatata. Long. +11. Lec. Agass. Lake Superior, 217. 
9. L. elegans, niger, vix znescens, elongato-ovatus, thorace vix punctula- 
to, angulis anticis minutis, posticis rectis, striola basali utrinque impresso, elytris 
 seriatim punctatis, vix subtilissime punctulatis, vitta a humero ad medium, 
alteraque a medio ad apicem obliquis flavis ornatis, antennis pedibusque testaceis. 
Long. :09. 
Massachusetts. Prof. Adams. 
