106 BULLETIN 182, UNITED STATES NATIONAL MUSEUM 



Description. — Opaque black or piceocastaneous, apical tliird of 

 elytra testaceous, pronotiim with transverse basal band of lighter 

 pubescence. Hecvd with eyes separated from constriction by about 

 their length; with dense granulose sculpture. Pronotum one-fourth 

 wider than long, scarcely semicircular although the hind angles are 

 broadly rounded; with sculpture not quite as distinct as on head. 

 Elytra with sculpture not distinctly granulose, less distinct than on 

 pronotum. Length, 1 to 1^4 J^irn. 



Type locality. — Haiti. Of tenel^roplulus.^ Cuba ; of favifer., Cuba. 



Tyjyes. — ^Unique type in collection of Dr. Cameron. Of ten^.- 

 hrophUus and -flavifer.^ in collection of Alexander Bierig (one "co- 

 type" of fanifer in the United States National Museum, No. 52713.) 



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



Cuba: (Rio Almendares (Bierig, 1934, as tenehropMlus) , Caiinito del Guayabal 

 Bierig, 1934, as tcnchropliUvs and ffavifer), La Lisa (Bierig, 1934, as 

 flavifer), Habana-Vedado (Bierig, 1934, as flavifcr), Sierra de los Organos, 

 San Vicente (Bierig, 1934, as flavifer; U.S.N.M.) 



Jamaica: Milk River (Blackwelder station 415), Trinity ville (Blackwelder sta- 

 tion 428), Moneagne (Blackwelder station 375), Santa Cruz (Blackwelder 

 station 421), Spanish Town (Blackwelder station 377), Black River (Black- 

 welder station 419). 



Kispaniola: Haiti (Cameron, 1923; Scheerpeltz, 1933; Cameron collection). 



Specimen examined. — ^I have seen the type of ornatvs in Dr. Cam- 

 eron's collection, a paratype of favifer in the United States National 

 Jkluseum, and 18 examples collected by us in 1935-37. 



Remarhs. — This species is very distinct by its bicolored elytra. 

 I can find no way to separate the two Cuban species of Sr. Bierig or 

 to distinguish them from Dr. Cameron's species. The description 

 was drawn from a Jamaican example. 



Our specimens were taken from cow dung and flying at dusk. 



2. THINOBIUS OPACULUS Cameron 



Thuiohius (s. str.) opaculus Camekon, 1923, p. 396. — Scheerpeltz, 1923, p. 1127. 

 ThinoUus (s. str.) morio Bierig, 1934e, p. 217, 218, 219. 

 Thinohius (s. str.) nehulosus Bierig, 1934e, p. 218, 219. 

 Thino'bius (s. str.) cubensis Biertg, 1934e, p. 219, pi. 11, f. 5. 



D'escription. — Piceocastaneous or dark fulvous. Head with eyes 

 separated from constriction by less than their length; surface 

 opaque but sculpture very fine and indistinct. Pronotum two-fifths 

 wider than long, nearly semicircular; sculpture as on head. Elytra 

 with inner apical angles very broadly rounded ; with sculptures as on 

 pronotum. Length, 1 to li^ mm. 



Type locality. — Haiti. Of morio., Cuba, Rio Almendares; of 

 nehulosus., Cuba, Playa de Marianao; of cuhensis., Cuba. 



Types. — Unique type in collection of Dr. Cameron. Of mono., 

 nehiilosus^ and cuhensis^ in collection of Sr. Bierig (paratypes of each 

 in United States National Museum, Nos, 597J2, 52714, 52711). 



