90 MONOGBAPHICAL ESSAY ON THE 



is entirely destitute of hairs; judging from analogy, fresh examples 

 will be clothed partly with silvery pubescence. 

 Unique in coll. Oberthiir. 



4. Astraeus aberrans v. d. Poll. 



Astraeus aberrans v. d. Poll , Not. from the Let/d. Mvs. , 

 VIII (1886), p. 176. 



Bobustus, supra nig er , purpureo-internitens , nitidus, eli/tris plu- 

 rimis maculis ßavis strigiformibus ornatis. Subtus nitidus, obscure 

 aeneus vel cupreus , duobus segmentis primis abdominis lateraliter 

 pustula ßava notatis. Omnino pubescentia sericea indutus, in elytris 

 obsoletissime. Caput fortiter rugoso-punctatum. Prothorax con- 

 vexus, brevis, lateribns rotundatis, apicem versus sribangustatis', 

 crebre pmictattis , ad latera rugosus. Elytra profunde striata, inter- 

 stitiis convexis, valde densissimeque transversaliter rug oso- striata , 

 apicibus fere hatid divergeyitibus , spinis suturalïbus et marginalibus 

 parvis. Fars infera crebre punctata. 



var. nov. picticollis v. d. Poli. A typo divert, prothorace 

 maculis nonnullis ßavis ornato. 



Long. 14 — 18 mm., lat. 6 — 7 mm. 



Habitat : West-Australia , Swan River , Nicol-Bay. 



Uppersurface black , with purplish reflections , the forehead and 

 the sides of the thorax coppery, slightly shining, the elytra with 

 numerous strigiform yellow spots, viz. a row close to the suture, 

 an other row along the middle , overreaching the foregoing , one 

 spot at the base between these rows and two spols above at the 

 outer margin. Undersurface and legs dark bronzy , purple-brown 

 or coppery , shining ; the first two or three abdominal segments 

 with a small round yellow spot at each side; rather thickly clothed 

 with silvery pubescence. 



Head strongly rugosely punctured, with a longitudinal glabrous 

 line in the middle , hairy. Prothorax convex , short , the sides 

 rounded , slightly narrowed towards the top and somewhat emarginate 

 before the posterior angles; deeply punctured, rugose at the sides, 

 hairy. Elytra broadest behind the middle , apices hardly diverging , 



