416 [November, 



convex interstices, and finely punctured striae : femora brownish, punctured : 

 tibiae armed with sharp spines; tarsi rather long, spinous : beneath punctured: 

 venter of a lighter color than pectus. 



A very rare species, and differs very materially from any other of our species 

 in the broader form and smaller size. Specimens occur of a uniform daik 

 blackish brown. 



AGRILUS, Lap. 



1. A. occidentalis. Brilliant cupreous ; thorax with an oblique fovea each 

 side; elytra dark greenish. 4 lines long. Indiana. 



Body brassy-cupreous : head greenish, finely granulated, front impressed, 

 frontal line obsolete, apparent only at base ; mandibles and beneath the eyes 

 blackish ; antennae blackish cupreous : thorax transversely wrinkled, with an 

 oblique fovea each side, a slightly elevated carina against the lateral margin in 

 front; a shallower, abbreviated medial fovea at base, and as obsolete smaller 

 one each side of the middle: scutel minutely sbagreened : elytra dark green, in 

 some with a purplish reflection, surface covered with rather dense granulations 

 of a darker color, two slightly elevated stria? upon each ; apical points a little 

 divaricate, rounded : leg9 brassy polished, a little sbagreened internally : beneath 

 brassy: posterior margins of ventral segments not granulate, polished. 



The largest species of this genus I have ever met with from this country ; it 

 was discovered near Evansville, Indiana, by Mr. J. P. Wild, who obtained it 

 from a species of Salix. 



2. A. iMPRBSsiPBNNis. Entirely blackish-cupreous, with the exception of the 

 face, which is greenish : four impressions upon each elytron. 2 lines long. 

 Baltimore. 



Body blackish cupreou?, polished : head in front finely granulated, greenish ; 

 frontal line slightly impressed ; antennae same color as elytra: thorax finely sha- 

 greened, obsoletely impressed in the middle, and strongly, obliquely foveolate 

 each side : scutellum blackish : elytra excavated against the humerus, and with 

 a slightly excavated sulcus on each, containing four obsolete impressions ; tips 

 subacute, slightly divaricate: legs blackish-cupreous, polished: tergum brilliant 

 purple : venter with a greenish reflection, polished, not obviously shagreened. 



SPHENOPHORUS, Schonh. 



S. sculptilis. Entirely black, elevated portions shining; thorax with a 

 sphenoid, posteriorly acuminate, medial, and two undulating, prominent eleva- 

 tions. 8J lines long to tip of rostrum. Baltimore. 



Black, punctured : rostrum rather robust, finely punctured at base ; sulcated, 

 and dilated immediately in front of base ; club of antennae, whitish at tip: 

 thorax round, constricted in front, and slightly dilated a little before the middle, 

 densely and coarsely punctured at sides, and between the elevations, puncta 

 becoming finer anteriorly: scutel deltoid, excavated: elytra with two elevated, 

 interstitial lines, a prominent elongated tubercle each side behind the humerus, 

 and a round one near the apex of each elytron, sutural lines slightly elevated ; 

 the three medial, and subsutural ones a little punctured at base : pygidium 

 somewhat coarsely punctulate, punctures becoming finer at base : legs finety 

 punctulate, patella more coarsely so : a large deep fovea upon the base of the 

 postpectas, posteriorly : venter with gradually enlarging punctures, increasing 

 in size toward the base. 



CHLOROPHANUS, Dalman. 



C. ? undulatus. Black ; thorax obsoletely margined, silvery white at the 

 sides; elytra with irregular, silvery undulations at sides; variegated silvery 

 white behind the middle. 4 lines long including rostrum. Baltimore. 



Black, beneath silvery : head scabrous ; rostrum tinged with silvery at sides ; 

 antenna? black, club dusky; eyes black; thorax constricted posteriorly, finely 

 shagreened; medial thoracic line impressed; obsoletely margined, silvery at 



