( 2G0 ) 



rouuded. Legs rufous at the joints, femora, uuJersiJe and a subbasal riug ou 

 tibiae, and first and last tarsal segments (tip excepted) grej'. 



Length, 5J mm. 



Uab. Marco da Legua, Para, March 1895 (Gounelle). 



1 <?. 



Aberrant in the possession of a basal longitudinal carina. I put this species 

 provisionally in Monocloeus. 



37. Monocloeus niger spec. nov. 



S. Black, uniform in colour, sparsely pubescent grey beneath, a few lateral 

 dots on elytra. Rostrum as long as broad, porrect, rounded at sides, truncate- 

 emarginate at apex, with a small central groove, coarsely rugate-punctate like 

 head. Antennal cavity large, mandible broad. Lobes of false mentum acuminate. 

 Frons half the width of the rostrum. Antenna short, segment 3 a little longer 

 than 2 and 4, S very short, nearly as broad as long, a little longer than broad, 

 10 triangular, sides somewhat rounded, as long as broad, 11 rounded, pale at tip, 

 somewhat shorter than 10. Prothorax with large punctures, none in middle, a 

 small mesial tubercle before carina ; ajiex ruuudedly produced (side-view 1) ; black 

 jjubescence in sliort raised lines which are close together and are most obvious 

 behind the carina ; the latter behind basal third, very feebly undulating, curved 

 forwards at the sides. Elytra widest at shoulders, coarsely punctured in rows ; 

 third interspace with three tubercles, besides the snbbasal callosity, the last on 

 declivous apical jjortion of elytrnm, fifth and seventh interspaces with two each 

 in and behind middle, these lateral tubercles very feebly elevate. Sterna 

 punctured. 



Length, mm. 



Ilab. Zarzero, Costa Rica. 



1 S. 



Also a species aberrant for this genus in the porrect rostrum bearing large 

 antennal grooves and the antebasal carina of the pronotum being obviously 

 produced Ibrwards at the sides. 



Goniocloeus gen. nov. 



(S ? . (!lose to Ilomocloeus and Monocloeus. Antennal cavity large. Basal 

 longitudinal carina of prothorax present, antebasal carina flexed forward at sides, 

 often extending beyond middle. Basal margin of elytrum convex, the base of 

 the prothorax being more or less bisinuate for the recei>tion of the anterior edge 

 of the elytra. Elytra tuberculate ; body beneath coarsely punctured at least at 

 sides. Lobes of false mentum acuminate. 



Type : G, haccatus spec. nov. 



For the present all those American species of this group of AntJiribiflni' which 

 have the eyes convergent and the carina of the prothorax prolonged forward at 

 the sides may be put into Goniocloeus. The species are all coarsely sculptured. 

 The basal margin of the elytra is in the typical forms convex near the scutellura 

 and at the shoulders, and emarginate in middle. The rostrum is short and 

 laterally rouuded, more or less impressed mesially at the base, except iu 

 annatus and the new species described under No. 45, in which it is narrowed 

 at the base and mesially carinate. 



