MONOGRAPH OF WEST INDIAN STAPHYLINIDAE 337 



with an obsolescent fovea of about the same size; eighth sternite 

 rounded. Female^ unknown. Length, 7^-2 m^""- 



Type locality, — Trinidad, St. Augustine. 



Types. — Holotypo, male, in Museum of Comparative Zoology ; one 

 paratypc, male, in United States National Museum (No. 52503) ; col- 

 lected in April 1929 by Dr. P. J. Darlington. 



Records. — The following is the only record known to me : 

 Trinidad: St. Augustiue (Darlington, in M.C.Z. and U.S.N.M.). 



Specimens examined. — I have seen only the two types. 



Remm-ks. — This species is readily distinguished by the dense 

 ground sculpture of the vertex as well as by the feebly developed 

 male characters. It is a typical member of the genus. 



I have received no record of its habits. 



2. BIOCRYPTA FULViPES (Erichson) 



Crypiohium fulvipcs Erichson, 1840, p. 566.— Horn, 18S5, p. 98.— Bei;nhat;er and 

 ScHUBEKT, 1912, p. 283.— Leng and MtrrcHLtE, 1914, p. 405.— Woloott, 1924, 

 p. 78; 193G, p. 197.- Blackweldkr, 1939a, p. 114. 



Blocri/ptafulviiJes (Erichson) Black wpxi>er, 1939a, p. p. 114. 



Description. — Eufous or rufocastaneous with head picescent. Head 

 with punctures of very irregular sizes, rather scattered; with feeble 

 ground sculpture except between the eyes; eyes situated at middle of 

 length of head ; basal segment of antennae scarcely over one-half as 

 long as head, about as long as distance between them; antennal grooves 

 distinct. Pronotum with irregular median band not elevated or 

 canaliculate ; punctures moderate, rather sparse but irregularly spaced, 

 not at all serial ; without ground sculpture. Elytra much larger than 

 pronotum ; with dense moderate punctures separated by flattened inter- 

 vals, not distinctly serial ; intervals with indistinct ground sculpture. 

 Mal-e, fourth sternite unmodified, fifth with a transverse fovea at 

 middle and a posterior lobe about one-third as broad at base as 

 segment and extending to middle of sixth sternite or middle of seventh, 

 with apex trup.cate; eighth sternite with a small abrupt rounded 

 emargination. Female., all sternites unmodified except for fifth, which 

 has a central smooth area rising to an abrupt semicircular posterior 

 rim. Length, YVlj mm. 



Type locality. — Puerto Rico. 



Types. — Either in the Hope Museum, Oxford, or the Zoologische 

 Museum, Berlin. 



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



Puerto Rico: (Ericlison, 1840; Horn, 1885; Bernhauer and Sclinbert, 1912; Leug 

 and Mutchler, 1914; Wolcott, 1924, 1930), Villalba (Blackwclder station 64), 

 Maricao Forest (Darlington, in M.C.Z. ), El Yunqne (Darlington, in M.C.Z. and 

 U.S.N.M). 



Antigua: (H. E. Box, as Blackwelder stations 444L and 444M). 



