58 Mr. F. P. Pascoe on new Genera and Species of 



to green according to the light; head black, very sliglitly 

 convex above the clypeiis ; eyes moderately approximate ; 

 antenna gradually thicker outward, the last joint ovate ; pro- 

 thorax minutely and sparsely punctured, broad at the apex ; 

 scutellum small, triangular, black ; elytra moderately convex, 

 seriate-punctate, the punctures rather fine, but well marked, 

 the intervals of the rows minutely punctured ; body beneath 

 and legs glossy brownish black, the abdomen finely striated 

 longitudinally ; anterior and intermediate tarsi shorter than in 

 the last. Length b^ lines. 



In outline resembling the last, but differently coloured, with 

 the prothorax shorter and much broader at the apex, the inter- 

 vals of the rows on the elytra minutely punctured, &c. 



Amarygmus exilis. 



A. anguste oblongus, nitidus ; prothorace trapezoidali, viridi-metal- 

 lico; elytris elongatis, aiireo-viridibus, in certo situ cnprco- 

 resplendens, leviter seriatim punctatis. 



Hah. Lachlan River. 



Narrowly oblong, nitid, slightly convex; head green in 

 front, blackish towards the clypeus ; eyes remote ; antennse 

 short, stout, ferruginous, the last six joints thicker and longer 

 than the two preceding, the third only a little longer than the 

 fourth ; prothorax metallic green, trapezoidal, the sides nearly 

 straight, the base not much broader than the apex ; scutellum 

 equilaterally triangular, black ; elytra rather long, but much 

 broader than the prothorax at the base, the sides nearly pa- 

 rallel, finely seriate-punctate, bright golden-green with copper 

 reflections ; body beneath light chestnut, glossy ; legs dark 

 chestnut ; tarsi ferruginous. Length 3 J lines. 



A much narrower form than any of the preceding, with 

 shorter antennae. 



Amarygmus indigaceus. 



A. oblongus, subnitidus; prothorace nigro, angidis anticis acumi- 

 natis ; elytris cyaneis, distincte seriatim punctatis ; antcnnis 

 tarsisque obscure testaceis. 



Hah. Sydney. 



Oblong, a little nitid ; head black, rather coarsely punctured ; 

 eyes somewhat approximate ; antennae dull testaceous, the last 

 four joints shorter and a little thicker than the others ; pro- 

 thorax rather narrow, shining, minutely punctured, the ante- 

 rior angles produced and pointed ; scutellum triangular, black ; 

 elytra broadest at the shoulders, very gradually narrower pos- 

 teriorly, indigo-blue, rather finely seriate-punctate, the inter- 



