390 Catalogue of the GeodepJiagmis Coleoptera. 



distlncta. AntcnncB joalpic[Me rufo-ferruginei. Thorax capite 

 paulo latior, latitudine fere sesqui brevior, quadi-atus, antice 

 paulo emarginatus, aiigulis antlcis subacutis, lateiibus modice 

 rotundatus, basi levissime emarginatus, angulis posticis obtusis, 

 subrotundatis : disco fere planus, subtiliter rugosus, antice pos- 

 ticeque striatus, tenuisslmc marginatus ; impressione transversa 

 anteriore arcuata, linea longitudinali utrinque paulo abbreviata, 

 basalibus latis, indistinctis, subtiliter punctatis. Elytra thorace 

 non latiora, apice parum sinuata, cyaneo-micantia ; versus mar- 

 ginem sparse punctata, stiiata, striis postice exaratis ; rudimen- 

 tali brevi distincta : interstitiis parum convexis, seriebus punc- 

 torum solitis distinctis : serie submargiuali medio late inter- 

 rupta. Suhtus niger, pedes, coxae et trochantez'es ferruginei. 



3. gaga tin US. Dej. Sp. Gen, 



maurus . Hald. Proc Ac. Nat. Sc. Vol. I. 

 p r O d UCtuS , Mels. MSS. fide Harris. 



Habitat in Pennsylvania et Massachusetts minus 



frequens. Long. '29, lat. •!!. 

 Niger, nitidus : caput leeve, labro, palpis, antennisque pallide 

 piceis ; thorax latitudine paulo brevior, antice emarginatus, an- 

 gulis anticis rotundatis, laterlbus modice rotundatus, basi recte 

 truncatus, angulis posticis obtusis leviter rotundatis ; disco sub- 

 planus, indistincte rugosus : impressione transversa anteriore 

 arcuata distincta, posteriore minus profunda, linea longitudinali 

 utnnque abbreviata, basalibus parvis rotundatis, non profundis, 

 parce subtilius punctatis ; elytra parallela, apice vix sinuata, 

 striis profundis, interstitiis planiusculis ; seriebus punctorum 

 solitis satis distinctis ; stria 8^'* postice excavata j serie submar- 

 ginali punctis anticis indistinctis ; femora nigro-picea, tibiae et 

 tarsi rufo-picei. 



4. parallelus. Hald. Proc. Ac. Nat. Sc. Vol. I. 



Angustior, niger suhnitidus, antennis palpfsqiie pal- 

 lide riifo-piceis, thorace suhquadrato, angulis posticis 

 rotundatis, basi leviter hisinuato ; elytris seriebus 



