86 MONOGBAPHICAL ESSAY ON THE 



17. Each elytron with 5 spots. . . . dilutipes \. d.VoW. 

 48. Same pattern as the preceding, 



but with an additional small spot 



just at the shoulder edge, and 



the subhumeral spot evidently 



composed of two confluent spots. 



(Sometimes the subhumeral spot 



is confluent with the submedian 



spot , var. Master si Mac Leay). Samouelli Saund. 

 19. Each elytron with a very broad 



fascia before and an other below 



the middle , a large basal and a 



small apical spot splendensv. à. VoW. 



Description of Species. 



(The numbers of the descriptions correspond with the numbers 

 of the figures on plate II and III). 



1. Astraeus irregularis v, d. Poll. — nov. spec. 



Supra niger, nitidus, ca^iite eli/trisgue cyaneo-internitentihus ; capite 

 prothoraceque nonnullis maculis parvis, singulis elytris ad hasin 

 maculis parvis, ante medium macula magna suhrotundata , apicem 

 versus macula magna longitudinali et nonnullis maculis parvis , flavis 

 ornatis. Sultus obscure viridi-aeneus j segmentis omnibus ad latera 

 gutta, sterno maculis pluribus parvis, ßavis notatisj pedibus rubris , 

 subaenescentihis. Caput crassum, confertim punctatum. Prothorax 

 modice convexus , lateribus apicem versus subrotundato-angustatis ; 

 fortiter denseque punctatus , ad latera rugosus. Elytra striato- 

 punctata, interstitiis planis , sparsim, lateraliter sat dense punctatis ; 

 apicibus paullo divergentiius, spinis marginalibus deßcientibus. Pars 

 infera crebre punctata , pubescentia sericea induta; prosterno subconcavo. 



Long. 13 mm., lat. 4^ mm. 



Habitat: Australia. 



Head nitid black , with a dark cyaneous tinge , somewhat greenish 

 in front, with three yellow spots around each eye, an elongated 



