452 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 104 



angles to base, coarse punctures lacking anteriorly and laterally 

 beyond the foveae; no median line, transverse furrows or other de- 

 pressions except a short, deep, punctate groove in anterior angles. 

 Elytra convex, width 1.7 mm., length 2.3 mm., humeri slightly dentate, 

 sides without fimbriae, arcuate, slightly wider at middle, base mar- 

 gined, striae deep, strial punctures moderate, all intervals convex. 

 Metasternum smooth, shining at middle, median line long, moderately 

 deep, anterior postcoxal line absent, scabrous at extreme sides. 

 Abdominal segments shining but with moderately close, very shallow, 

 fine to moderate punctures throughout, some alutaceous sculpture at 

 extreme sides, finely crenate in front, the crenations of the terminal 

 segment wider and deeper at middle. Apical third of pygidium 

 shining, flat or slightly concave. Anterior marginal groove of pro- 

 femur obsolete, posterior face smooth, shining. Middle femur about 

 half as wide as the posterior femur, smooth, three or four setae along 

 posterior margin, without distinct posterior femoral line. Posterior 

 tibia with nearly complete oblique ridge at apical fourth, three in- 

 cipient ridges above, tibia 2}^ times as long as wide at apex, spurs 

 narrow, the longer spur slightly longer than the combined length of the 

 first two tarsal joints. Length 3.2 to 4.2 mm., width 1.4 to 2.0 mm. 



Type: Horn collection. Academy of Natural Sciences of Phila- 

 delphia. 



Type locality: Southern United States, probably Georgia. 



Specimens examined: 57. 



Distribution: United States: New Jersey: Ocean City. Mary- 

 land: Kenwood Beach. Virginia: Virginia Beach. North Carolina: 

 "N. C." South Carolina: Isle of Palms, Seabrook Island, Hunting 

 Island, Folly Beach, Sullivans Island. Georgia: Tybee Island, St. 

 Simon Island, Savannah, St. Catherines Island. Florida: Capron, 

 Crescent City, Miami. Mississippi: Ocean City, Horn Island. 

 Puerto Rico: Humacao. 



Season: April 12 to October 12. 



Remarks: Psammodms bidens Horn has been confused with P. 

 cruentus Harold; however, it is very distinct and does not resemble 

 that species even superficially. It is found among grass roots growing 

 in the sand along the Atlantic and Gulf Coasts of the United States 

 from New Jersey to Mississippi. 



Psammodius integer Bates 



Psammodius integer Bates, Coleoptera, in Godman and Salvin, Biologia Centrali- 



Americana, vol. 2, pt. 2, p. 104, 1887. 

 Psatnmobius integer Schmidt, Coleoptera, Aphodiinae. Das Tierreich (Deutsche 



Zool. Ges.), pt. 45, p. 477, 1922. 



Oblong, convex, sides subparallel, moderately shining, dark casta- 

 neous. Antennae testaceous. Head moderately convex, verrucose, 



