the Coleopterous Family Froti/lidtv. (117j 493 



Vav. b. Capite thoraceque I'ufis, hoc tertia discoidali nigra, 

 prosterno nigi'o, epipleuris rufis : cardinalis, Chev. 



Var. c. Capite thoraceqiie rufis, prosterno et epipleuris rufis : 

 meridio)iaIis, Crotch. 



I consider these three forms referable to one species, though 

 the variation in outline is considerable. The intermediate coxal 

 line is well marked. 



^ffithus clavicornis. ,,. „ 



Chrt/somela clavicornis, L. S. i\^. ed. x. 370 (1758). .iisft'id 



surinamensis, L. Cent. Ins. 10 (1763);: fivwi I 



■ :^Eyithu3 _. , Lac. Erot. 2^b. .VVJ'VV'.i!'^ 



clavicornis, Crotch, Cist. Ent. 146. 



Costa Rica, Cayenne, Columbia, Ecuador, Amazons, Brazil, 

 Nicaragua. 



E. Elytra gemellate striate : coxal lines visible. 



.ffig-ithus hemisphsericus. ^ , ^^^^^^ 



.E'jithus hemisphcerici(.s, La/:. Erot. 289. {innxo yu; 



JEgithus milatus, sp. n. 



Hemisphfericus, nitidissimus, livido-fuscus, capite thoraceque 

 subtil iter punctulatis, elytris L-evibiis, sat fortiter sed irregulariter 

 gemellato-punctato-striatis, postice acurainato-productis ; corpore 

 subtus pallidiore, antennis nigris, tibiis tarsisque obscurioribus. 

 L. 5— 5i lin. 



Pebas (Bates). 



This is the most convex of all the species of jEgithus; the 

 frontal margins are thickened and well marked. 



^githus politissimus, sp. n. 



^E. inflate proximus, sed capite thoraceque fei-e Ipevibus, elytris 

 paiilo minus convexis, interstitiis sparse sed profunde punctatis, 

 postice minus acuminatis. L. 5 lin. 



Ecuador (Buckley). gS^. 



^githus cordatus, sp. n. ;; 



Valde convexus, fere heniisphajricus, capite thoi'aceque snb- 

 IfBvibus, elytris confuse gemellato-punctato-striatis, interstitiis 

 fortiter punctatis, postice acumiuato-prodvictis ; subtns totus riifo- 

 testaceus, scutello nigro, corpore subtus epipleurisque fulvis. L. 

 41 lin. 



Amazons (Bates). . ■■ xwuiiiT 



