186 BULLETIN 18 2, UNITED STATES NATIONAL MUSEUM 



14. OSORIUS BIARMATUS Darlington 



Osorius biarmatiis Darlington, 1937, pp. 285, 287. 



Description. — Black. Head as wide as pronotum; eyes not at all 

 prominent; front margin of clypeus feebly crenate, angles conspicu- 

 ously, acutely, and somewhat divergently produced, margin evenly 

 emarginate between ; labrum emarginate, alutaceous ; antennae faintly 

 incrassate from the seventh segment; surface coriaceous in front, 

 alutaceous at rear, and with minute punctulae; moderately punctate 

 at sides of vertex and clypeus. Pronotum much narrower basally, 

 one-fifth to one-sixth wider than long; apex one-half wider than 

 base; sides distinctly sinuate; margins not enlarged basally; coria- 

 ceous and with minute punctulae, but not alutaceous; moderately 

 coarselj', not closely punctate; median stripe impunctate, not well 

 defined. Elytra as wide as pronotum, one-twentieth to one-tenth 

 longer than wide, nearly parallel ; punctured as pronotum ; not aluta- 

 ceous, but coriaceou?. Abdomen moderately closely and coarsely 

 punctate; eighth tergite faintly alutaceous. Anterior face of front 

 tibia with single series of setigerous pimctures. Length, 7i/^ to 7% 

 mm. 



Type locality. — Southwestern Haiti, northeastern foothills of the 

 Massif de la Hotte, 2,000 to 4,000 feet elevation. 



Types.— ¥lo\oiy\)Q (M.C.Z. No. 20232) and one paratype in the 

 Museum of Comparative Zoology. 



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



Hispaniola: Haiti, Massif de la Hotte (Darlington, 1937). 



Specimens examined. — I have seen only the paratype from the 

 Museum of Comparative Zoology. 



Remarks. — Darlington records that this species combines charac- 

 ters of the large species with crenate clypeus and the small species 

 with smooth clypeal margin. 



I find no mention of its occurrence. 



15. OSORIUS BUSCKI Notman 



Osorius imcki Notman, 1925, pp. 9, 19, 24. — Scheebpeltz, 1933, p. 1132. — Dar- 

 lington, 1937, p. 2S6, 297. 



Description. — Piceorufous. Head just over three-fourths as wide 

 as pronotum; eyes moderately prominent; clypeus rounded, some- 

 times very feebly biemarginate at the sides, anterior margin strongly 

 crenulate; labrum emarginate, alutaceous; outer antennal segments 

 about as wide as long; alutaceous and sparsely punctulate, with a few 

 larger punctures. Pronotum one-seventh wider than long, feebly 

 narrowed behind, base nearly six-sevenths as wide as apex; sides 

 evenly arcuate; lateral margins somewhat wider posteriorly; a vague 

 trace of midline ; alutaceous, and with moderate punctures separated 



