104 MONOGBAPHICAL ESSAY ON THE 



head has no frontal carina, the thorax is less narrowed towards 

 the top, the humeral fold is more strongly produced. 

 Unique in my own collection. 



16. Astraeus pygmaeus v. d. Poll. 



Ästraeus pygmaeus v. d. Poll , Not. from the Leyd. Mus. , 

 VIII (1886), p. 178. 



Elongates , nitidtis , supra coeruleus , violaceo-internitens {capiit ut 

 et prothorax interdum viridi-aenemn) , singulis elytris maculls quaternis 

 flavis ornatis; subtus cum pedibus laete violaceus vet cyaneus , apices 

 tibiamm et articuU priores tarsortim testacei. Caput fortiter punctatum , 

 in f route carina longitudinali. Frothorax convexus, lateribns rotun- 

 datis et valde angustatis apicem versais, profundepunctattis, densius 

 ad latera. Elytra costata, interstitiis planis, lexnter punctatis et 

 plicatis; apicibus valde divei'gentibus , spinis suturalibus later alibusque 

 validis , acutis. Pars infera dense 2iun data. Omnino, elytris exceptis , 

 pubescentia minutissima sericea induta. 



var. subfasciatus v. d. Poll, a typo differt macula flava post- 

 hum,erali cum macula secunda suturali confluente. 



Long. 51 — 7 ram. , lat. 2 — 3 ram. 



Habitat : Queensland , Rockhampton , N. S. Wales , Port Denison , 

 Wide Bay. 



Shining , head blue or green in front , purple-brown on the 

 vertex; prothorax entirely violaceous or blue on the disc and green 

 at the sides, elytra cyaneous or bronzy-black, each with four 

 flavous spots , the first at the base , the second close to the suture 

 before the middle, the third below the shoulder and the fourth 

 below the middle touching neither the suture nor the outer margin ; 

 beneath and legs cyaneous or violaceous, the tip of the tibiae and 

 the first joint of the tarsi tesiaceous. 



Head strongly punctured, with a strong longitudinal ridge in 

 front, which is rather broad above the epistema and diminishes 

 gradually near the vertex; hairy. Prothorax convex, sides strongly 

 rounded and narrowed towards the top, with a narrow margin 

 along the front and the sides; deeply punctured on the disc, more 



