22 PROCEEDINGS OF THE NATIONAL MUSEUM vol.89 



and of abdominal sternites roughly sculptured, median portions of 

 metasternum and abdominal sternites somewhat shining, shallowly 

 rugose-punctate. Median groove of metasternum poorly defined. 

 Anterior femur with a poorly defined groove on anterior margin, 

 surface roughly sculptured. Posterior femur with a broad, poorly 

 defined groove along almost the entire length of the posterior margin ; 

 posterior tibia without accessory spine. Length : 3.5-4 mm. 



Tyi>e. — Possibly at Museum of Comparative Zoology. 



Type locality. — Pennsylvania, U. S. A. {imhricatus) ; Texas to Ega 

 (sordidiLs) . 



Material examiined. — In addition to about 50 specimens from Penn- 

 sylvania and other parts of North America, the writer has studied a 

 series of 142 specimens from Baragua, Camaguey, Cuba, mostly taken 

 in June by L. D. Christenson; three specimens from Cayamas, Santa 

 Clara, Cuba, May and June, E, A. Schwarz ; and two specimens from 

 Santa Clara Prov., Cuba, June 16, 1932, F. de Zayas (collection of 

 O. L. Cartwright) . Further, a series of seven specimens from Puerto 

 Plata, Dominican Republic, July 20, 1937, W. J. Clench, and two from 

 Bahamas (Nassau and Arthurs Town), these latter in the collection 

 of the Museum of Comparative Zoology, and two specimens from 

 Andros Island, May-June 1917, W. M. Mann, in the collection of 

 the American Museum of Natural History. 



9. ATAENIUS MIAMII Cartwright 



Ataenius miamii Cartwright, 1934, Can. Ent., vol. 66, p. 200. 



Piceous, opaque, anterior margin of head shining castaneous, legs 

 castaneous, anterior tarsi, antennae, and trophi paler. Anterior 

 margin of head broadly rounded each side of the broad median 

 emargination, narrowly impunctate, front moderately coarsely 

 punctured at sides, the punctures tending to coalesce in short longi- 

 tudinal channels, median portion rather sparsely punctured, vertex 

 rather coarsely and very densely punctured. Pronotum with mar- 

 ginal setae inconspicuous, marginal groove complete, surface densely 

 and rather evenly punctured, the punctures very coarse but not 

 coalescent at sides, finer toward anterior part of disk. Elytral striae 

 broad and deep, strial punctures coarse, intervals finely alutaceous, 

 each subacutely carinate and bearing a row of setigerous punctures 

 along its outer margin, setae very short. Lateral margin carinate, 

 epipleura somewhat shining, finely sculptured. Pygidial carina with 

 a moderately strong median cusp. Metasternum somewhat shining, 

 finely sculptured laterally, median area coarsely and sparsely punc- 

 tured, median groove abruptly terminated behind. Abdominal 

 sternites coarsely but very shallowly punctured, basal transverse row 



