ROLAND HAYWARD. 19 



Thorax with the sides rounded, distinctly sinuate some distance in fnmt of 

 base which is slightly eniarginate, hind angles subacute ; form broader, 



less convex. Length .45-. 57 inch 8. lsilicolli!<» Lee. 



Thorax with the sides less strongly rounded, rather feebly sinuate in 

 front of the hind angles, which are rectangular, base feebly emar- 

 ginate ; form nearly as in laticolUs. Length .45. -.55 inch. 



9. cariuata Lee. 



Form very elongate, nearly parallel ; thorax widest in front of middle, 



sides rounded in front, sinuate behind, hind angles rectangular, base 



feebly emarginate; elytra twice as long as wide, usually with slight 



metallic lustre in the males. Length .45-.50 inch. 



10. rufiniaiia Kirby. 

 Hind tarsi with the two basal joints rather feebly grooved on the outer side; 

 thorax widest at middle, sides rounded nearly to base, sinuate in front 

 of the hind angles which are rectangular. Length .37-.44 inch. 



11. cylimlrioa Lee. 

 , Thorax with the sides sinuate behind, hind angles rectangular; posterior tarsi 

 with the three basal joints gi'ooved on the outer side. 

 Form elongate, feebly convex, subparallel ; middle tibiae of the males with the 

 teeth much nearer the apex than usual. Length .33-. 35 inch. 



12. hiidsonica n. sp. 

 Form more robust; middle tibia; of males normally dentate. 

 Basal impressions of thorax with the fovea* slightly oblique, convex, nearly 

 black, slightly aiueous. Length .38-. 42 inch. 



13. eNClischoltzi Chaud. 



Basal impressions of thorax with the foveje perpendicular to the base; less 



convex, the elytra slightly flattened on the disk; thorax more deeply 



emarginate at apex, black; elytra usually brownish. Length .38-. 44 



inch 14. melanogaslrica Dej. 



Thorax with the sides at most obsuletely sinuate in front of the hind angles 

 which are obtuse, black ; the elytra often brownish ; hind tarsi with 

 the three basal joints not or very feebly grooved on the outer side. 



Length .33-.45 inch 15. briinnipennis Dej. 



. Thorax very slightly wider at base than apex, elongate, convex, nigro- 

 piceous; sides of thorax arcuate in front, sinuate behind, hind angles 

 rectangular, acutely carinate; legs rufopiceous, three basal joints of 

 hind tarsi grooved on the outer side. Length .44 inch. 



16. iiifaiiJitta Lee. 



Thorax distinctly wider at base than apex. 



Elongate, rufopiceous or piceous ; thorax slightly wider than long, sides 



arcuate, obsoletely sinuate in front of the hind angles, which are 



obtuse and very obtusely carinate; elytra distinctly wider than the 



thorax, finely striate, the striae finely punctate in front of middle; 



legs rufous or rufopiceous. Length .44-.46 inch. .17. elongata Lee. 



Robust, piceous; thorax less than one-half wider than long, sides arcuate, 



sinuate in front of the hind angles which are rectangular and acutely 



carinate; elytra scarcely wider than the tliorax, deeply striate, the 



striae deeply punctate, more finely at apex ; legs rufotestaceous. 



Length .40-.47 inch. .18. pen nsy Ivan ica Xobis (fulvipes || Putz.). 



TEANS. AM. KNT. SOC. XXXIV. FEBRUARY, 1908. 



