Horn.] 



306 



[June -20, 



Paromaltjs, Ericlis. 

 The antennal club is received in a cavity at the middle of the pro- 

 thoracic p irapleiirse. 



The species are thus distinguished : 

 Form strongly depressed, elytra without entire 

 stria;. Prosternum bistriate. 

 Third dorsal stria strongly impressed, more than 



one-third the length of elytron a^qualis. 



Third dorsal stria obliterated or existing in a 



mere trace estriatus. 



Form moderately convex, elytra striate. Proster- 

 num bistriate. 

 Fourth dorsal stria joining the sutural by an arc; 

 subhumeral very short or obsolete. 



Elytra normally striate, intervals Hat conjunctus. 



Elytra with deeply impressed striae, intervals 



concave geminatus. 



Fifth dorsal or none joining the sutural, fourth 

 not arched. 

 Surface metallic. Subhumeral stria entire, 



fifth dorsal abbreviated mimeticus. 



Surface not metallic, black or piceous. 

 Subhumeral stria entire. 

 Form oval, moderately convex. 

 Fifth dorsal stria entire. 



Sutural stria entire, joining the fifth... quatuordecimstriatus. 



Sutural stria abbreviated lautus. 



Fifth dorsal continued by distant punc- 

 tures. 



Sutural stria abbreviated opuutije. 



Form parallel, subcylindrical tejouicus. 



Subhumeral short, apical, sometimes want- 

 ing. 

 Form broadly oval, convex. 



Subhumeral distinct at apex ; a short 



outer subhumeral consors. 



Subhumeral entirely obliterated gileusis. 



Form oblong strongly depressed. 

 Su.bhumdral abbreviated at base and 



apex tenellus. 



Form convex, elytra without entire strije, proster- 

 num not striate, anterior tibite^ minutely 4-den- 

 tate. 

 Form oblong, subdepressed, niarginal stria of 



aoiesosternum visible at middle bistriatus. 



Form oval, convex, mesosternal stria broadly 

 interrupted seminulum . 



