402 Memoirs on the Coleoptera 



and in two more external posterior spots on each elytron; under surface 

 with very dense white scales throughout; beak subsimilar in the sexes, 

 subcylindric, strongly, evenly arcuate, dull in lustre and squamulose 

 basally, a little longer than the head and prothorax, the antennae inserted 

 at (9) or distinctly beyond (cf) the middle; prothorax feebly conical, 

 one-half wider than long, the sides evenly and moderately arcuate from 

 base to the feebly constricted apex, which is not quite half as wide as 

 the base; scutellum very small, squamulose; elytra parabolic, with 

 strongly arcuate sides and rather narrowly rounded apex, at the feebly 

 tumid humeri distinctly wider than the prothorax and about twice as 

 long; striae moderate; intervals rather finely, loosely punctate, between 

 two and three times as wide as the striae; male with the abdomen broadly, 

 feebly impressed and more finely, sparsely squamulose medio-basally, 

 the prosternal spines slender, finely pointed and slightly bent forward. 

 Length (cf 9 ) 2.4 mm.; width 1.18-1.2 mm. Costa Rica (San Jose). 

 Two specimens. 



Allied rather closely to a species said to be lentiginosa Boh., by 

 Mr. Champion, and taken at Teapa, in Tabasco, Mexico; it is, 

 however, decidedly less stout than that species, rather smaller in 

 size and with shorter, more slender and still more arcuate beak. 



Of Gerceus basinotatus Chmp., I have two examples agreeing in 

 every particular with the description, taken by Townsend in the 

 Sierra Madre Mts., of Chuhuahua — a long distance from its typical 

 locality in Guerrero. It is a very isolated seminude species, with 

 extremely coarse pronotal punctures and a triangular spot of dense 

 white scales at each side of the scutellum. 



The following evidently belongs in the vicinity of hasinotata and 

 pugnax: 



*Centrinaspis cubensis n. sp. — Subrhomboid-oval, strongly convex, 

 black throughout and somewhat shining; elongate squamules of the 

 upper surface scattered, whitish and few in number toward the sides of 

 the pronotum, the latter otherwise glabrous, on the elytra sparse, brown 

 and decumbent in about two lines on each interval and inconspicuous, 

 with a spot of white scales on the median line of each near the apex; 

 there are also a few widely scattered white scales; under surface with 

 rather dense long white scales; beak in the female long, very slender 

 and smooth, thickening a little and punctate basally, as long as the 

 elytra, the antennae slender, inserted rather behind basal third, the first 

 two funicular joints much elongated, the seventh a little thicker and with 

 fine pubescence, nearly like that of the narrowly oval club; prothorax a 

 third wider than long, the sides converging and very moderately arcuate 

 to the apical constriction, the tubulate apex half as wide as the base; 

 punctures coarse and rather dense, the median smooth line evident but 

 not entire; scutellum quadrate, tricuspid behind, roughly and densely 

 punctate and nude in the type, the basal thoracic lobe deeply emarginate; 



