314 EEVISION OF THE GENUS ^'OTONOMUS, 



lightly sinuate just before base ; basal angles subrectangular; 

 posterior marginal puncture on border at basal angle; lateral 

 basal impressions strongly impressed, uniting with lateral channel 

 at posterior extremity. Elytra truncate-oval (13x8-3 mm.), 

 lightly convex; basal border strongly raised and obtusely dentate 

 at humeral angles; lateral border widely reflexed from humeral 

 angle to apical sinuosity; strise deep, minutely crenulate at bottom; 

 interstices convex, third 4- or 5-punctate, tenth short, well 

 developed towards apex. Tntercoxal declivity of prosternum flat, 

 bordered on sides; of mesosternum lightly concave. Length 23, 

 breadth 8*3 mm. 



Hab. — N.S.W. : Ash Island, Hunter River (Jide Castelnau). 



My specimen was given to me by Mr. A. M. Lea as from the 

 Manning River. 



Var. A. Form more elongate ; prothorax more decidedly 

 narrowed to base, and with posterior lateral sinuosities longer 

 and more marked ; elytra less convex. Head blackish-green; 

 prothorax blackish-green on disc, bright green towards sides; 

 elytra black, with ninth interstice and lateral margin bright 

 green; inflexed margins blackish-green. Length 21-25, breadth 

 7-2-8-5 mm. 



Hab. — Narrara and Ourimbah (Sloane ; plentiful in damp 

 heavily timbered places in July, 1896). 



NoTONOMUS COLOSSUS, n.sp. 



(J. Large, robust, convex. Head large (4-7 mm. across eyes); 

 prothorax truncate-cordate, not sinuate on sides before base; 

 basal angles rounded; posterior marginal puncture on border at 

 basal angle : elytra strongly striate ; interstices convex, third 

 5-punctate; basal border not dentate at humeral angles. Head 

 black, with a very faint bronzy tinge; prothorax black, cupreous 

 towards sides, with a greenish tinge near lateral channel (disc 

 with slight cupreous reflections); elytra bronzy black, ninth inter- 

 stice and margin of a dark copper colour. 



Front lightly biimpressed; eyes large, convex; postocular part 

 of orbits small, but rising sharply from head. Prothorax broader 



