OF AMERICA NORTH OF MEXICO. 
331 
A.—5. 
18. S. AMERICANA.—Elongata, parallela, nigra pubescens, capita thoracique tete rufis, subtiliter punctatis, 
hoc antrorsum subangustato, lateribus sinuatis, utrinque ad basin impresso, elytris confertim punctatis, 
apice vix truncatis. Long. -5. 
Stenura americana, Hald. 63. 
S. fulvicollis, Oej. Cat. 
Georgia and Ohio. Very rare. Drs. LeConte and Schaum. 
19. S. OAPiTATA. —Elongata, parallela, nigra pubescens, capita thoraceque laete rufis, minus subtiliter 
punctatis, hoc convexo, antrorsum angustato lateribus rotundato, medio versus basin transversim 
impresso, elytris grossius minus confertim punctatis. Long. '3. 
Leptura capitata, Nm. Ent. 
Grammoptera capitata, Hald. 65. 
Georgia. Missouri, Michigan. Rare. 
20. S. RUFicoELis.—Elongata, parallela, nigra pubescens, thorace rufo convexo, antrorsum angustato, 
lateribus rotundato, confertim subtilius punctate, elytris dense minus subtiliter punctatis, apice 
rotundatis, pedibus anticis rafescentibus. Long. -24. 
Leptura ruficollis, Say. J. Ac. 3, 421. 
L. hematites, Nm. Entom. 
Grammoptera ruficollis, Hald. 66. 
Massachusetts to Carolina. 
21. S. SUBARGENTATA.— Elongata parallela, nigra, pube albida sparsim vestita, capite thoraceque subtiliter 
confertissime punctatis, hoc longiusculo, antrorsum subangustato, lateribus ante medium rotundatus 
linea dorsali postica Isevi, elytris minus subtiliter punctatis, apice rotundatis. Long. •27. 
Leptura subargentata, Kb. N. Z. 184 . 
North side of Lake Superior. 
22. S. CHALYDEA.— Subelongata, parallela, parum pubescens, capite thoraceque dense subtiliter punctatis, 
nigris, hoc quadrato, lateribus parallelis, capite non latiore, elytris cyaneis, parcius grosse punctatis, 
apice rotundatis, antennis pedibusque flavis. Long. -18. 
Pachyta chalybea, Hald. 60. 
Pennsylvania. Rare. Dr. Melsheimer. The sides of the thorax are parallel 
almost to the apex, where they are suddenly rounded. 
23. S. siMiLis.—Caput nigrum, antennx fuscse, articulo basali flavido; thorax niger, lanugine aurea obsitus, 
elytra punctata, nigra, propedes flavidi, meso et metapedes femoribus basi flavidis apice nigris, tibiis 
tarsisque fuscis. Long. •225. (Nm.) 
Leptura similis, Kb. N. Z. 185. 
Leptura exigua, Nm. Ent. 
I have not met with this species. 
84 
