252 BULLETIN 182, UNITED STATES NATIONAL MUSEUM 



becoming distinctly broader apically; with very fine and dense but 

 distinctly umbilicate punctures, and with a few larger scattered um- 

 bilicate punctures ; with irregular ground sculpture at sides posteriorly. 

 Pronotum with a poorly defined smooth midline; with umbilicate 

 punctures and sculpture at sides as on head. Elytra not distinctly 

 punctate, but with rather dense fine tuberculi, sometimes arranged in 

 irregular transverse rows, and bearing fine short hairs. Abdomen 

 rather densely and finely but distinctly muricately punctured; with 

 dense short pubescence. Male, seventh sternite slightly sinuate pos- 

 teriorly but not at all emarginate; eighth sternite with a very large 

 triangular emargination. Female, sternites not modified. Length, 

 41/^ mm. 



T^/pe locality. — Cuba, Caj'amas, 15 miles west-northwest of Cien- 

 fuegos, province of Santa Clara. 



ry;?65.— Holotype, male, U.S.N.M. no. 52398, collected by E. A. 

 Schwarz on February 15 of 1902, 1903, or 1904; two paratypes, female, 

 in the Museum of Comparative Zoology, one in the United States Na- 

 tional Museum, from Soledad. 



Records. — The following are the records known to me : 



Cuba: Cayamas (Schwarz, in U.S.N.M.), Soledad (Darlington, in M.C.Z. and 

 U.S.N.M.). 



Specimens eramined. — I have seen only the four types. 



Remarks. — This species is unique in its feeble male characters as well 

 as in the shape of the head. The holotype is slightly immature, being 

 of paler color and having the punctation a little less distinct and deep, 

 though of the same type and density. The examination of the species 

 related to Lithocharis by use of the male genitalia may throw addi- 

 tional light on their proper position, but at present this species ap- 

 pears to be best placed in this genus. 



I have no record of its habits, although one specimen was taken at 

 light. 



2. ADEROCHARIS DUBITANS, new species 



Description. — Head black, pronotum and abdomen piceous, elytra 

 and apex of abdominal segments rufopiceous. Head emarginate 

 posteriorly, with angles moderately prominent; eyes small, separated 

 from base by less than one-half more than their length; gular sutures 

 in male converging posteriorly, never very distant; densely and mod- 

 erately finely punctate, punctures not definite in shape, with large setig- 

 erous punctures at sides, pubescence fine and dense; without distinct 

 ground sculpture. Pronoturro with distinct narrow smooth midline; 

 with dense tuberculi unusually flat, appearing almost like small um- 

 bilicate punctures; with short pubescence but no ground sculpture on 

 disk. Elytra with tuberculi very dense, scarcely distinguishable, some- 

 times forming transverse rows; apparently with additional ground 



