56 BULLETIN 182, UNITED STATES NATIONAL MUSEUM 



with broad sliining convex intervals; without ground sculpture on 

 the disk. Elytra about one-fourth wider than pronotum, a little 

 longer than wide ; feebly explanate at the sides ; coarsely and moder- 

 ately densely punctate, with narrow and convex intervals ; with traces 

 of ground sculpture on the intervals. Abdomen above impunctate 

 except for a pair of discal punctures on each segment; with dense 

 ground sculpture. Length, 2 mm. 



Type locality. — Cuba, Pico Turquino, summit at 6,000 feet. 



Types. — Holotype, Museum of Comparative Zoology, collected by 

 Dr. P. J. Darlington on June 16-21, 1936. 



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



Cuba: Pico Turquino (Darlington, M.C.Z.). 



Specimens examined. — I have seen only the holotype. 



Remarks. — This species differs from darlingtoni and jamaicensis 

 also by the punctation of the abdomen. I have little hesitation in 

 describing it from a unique specimen since the series of darlingtoni 

 indicates that there is little variation. 



I have received no record of its habits. 



4. OMALIUM LABORIUM, new species 



Description. — Clear rufopiceous throughout. Ileod broadly raised 

 along midline, margined above and behind the eyes ; feebly narrowed 

 behind the eyes to margin, then abruptly; ocelli very prominent at 

 base; with very large coarse punctures except in front, separated by 

 irregular convex prominences; in front with distinct almost scaly 

 ground sculpture; submentum and mentum with very coarse pimc- 

 tures; third segment of maxillary palpus not enlarged, fourth elon- 

 gate, as long as first three together but not more slender than third. 

 Pronotum nearly three-fourths wider than long, sides rounded in 

 front but feebly angulate at middle, thence straight to posterior 

 angles, which are prominent ; disk strongly explanate at the sides 

 and f oveate at middle of sides ; with two feeble longitudinal impres- 

 sions near midline; very strongly and coarsely punctate, with narrow 

 and convex intervals ; no ground sculpture. Elytra one-twelfth wider 

 than pronotum, just longer than wide ; feebly explanate at sides and 

 apex ; punctures very coarse and deep, narrowly separated by convex 

 ridges, and sometimes vaguely serial. Mesosternum carinate at base 

 and apex only, with distinct ground sculpture. Abdomen impunc- 

 tate except for a pair of large punctures on the disk of each sternite, 

 but with dense scaly sculpture. Length, 2^/4 to 3 mm. 



Type locality. — Haiti, east slope of Morne La Selle at elevation of 

 about 6,000 feet. 



Types. — Holotype and two paratypes, females, U.S.N.M. No. 52367, 

 collected by me on August 8, 1935. 



