189 



lateribiis marginatis, margine ipsa dilutiori, margine basali sinuata, angulis fere 

 rectis ; elytris capite atque pronoto sat latioribus, sesqui longioribus, et magis pro- 

 funde punctatis, ante media latissimis, apicibus obtusis ; pedibus flavescentibus, 

 tarsis elongatis ; antennis ferrugineis. 



Body oval, exceedingly convex, distinctly and regularly punctured, black and 



sbining, very sparingly clothed with short hairs. 

 //^earZ moderately exposed, black and shining; eyes moderate ; antenns moderate, 



ferruginous. 

 Thorax moderate, distinctly punctured, with the interstices shining, marked with a 



faint transverse line within the basal margin, sides margined, with the margin 



pale, basal margin sinuated, with the angles nearly right angles. 

 Scutellum very small, triangular. 

 Elytra rather broader, one-half longer, and more deeply punctured than the bead 



and thorax, widest before the middle, sides scarcely margined, apex obtuse. 

 Legs flavescent, with the femora dusky, and the tarsi long and slender. 

 Under parts black, moderately and distinctly punctured. 

 Differs from others in its intermediate size," perfectly oval shape, deeply punctured 



elytra, pitchy-black colour, and short scattered hairs on its surface. 

 Habitat, America. Found near Jalapa, Mexico, by M. Hoege. 



Orthoperus Columbianus. 



0. Columbianus, Matthews, Comp. Rend. S. Ent. Belg. p. 68, 1885. 



L. c. y^ lin. = 0-87 mm. — Latus, subovalis, sat depressus, nigro-piceis, 

 nitidus, indistinctissime alutaceus ; pronoto parvo, ad basim latissimo, margine 

 basali leviter sinuata, angulis obtusis ; elytris magnis, pronoto multum latioribus 

 et plus quam duplo longioribus, prope media latissimis ; pedibus atque antennis 

 parvis, flavis. 



Body very broad, ovally rounded, rather depressed, pitchy-black, shining, micro- 

 scopically alutaceous throughout. 



Head small ; antennse small and short, yellow. 



Thorax small, widest at the base, basal margin faintly sinuated, with the angles 

 obtuse. 



Seutellum very small, triangular. 



Elytra large," much broader and more than twice longer than the thorax, widest 

 near the middle. 



Legs small, j-ellow. 



Under jMrts piceous. 



Differs from others in its rather larger size, very broad and depressed form, piceous 

 colour, and very faint sculpture. 



Habitat, America. Found in Columbia. 



The only example of this species which I have seen is in the collection of the 

 Eoyal Belgian Museum at Brussels. 



Orthoperus Borrei. 



0. Borrei, Matthews, Compt. Eend. S. Ent. Belg. p. 68, 1885. 



L. c. j^— 1*% lin. = 0-63-0'75 mm. — Ovatus, valde convexus, rufo-castaneus, 

 nitidus ; pronoto modico, ad basim latissimo, levissime alutaceo, lateribus leviter 

 marginatis, margine basali rotundata, angulis obtusis ; elytris sat longis, pronoto 

 vix latioribus, duplo longioribus, prope humeros latissimis, punctis latis, leviter 



