492 NEW SPECIES OF AUSTRALIAN COLEOPTERA, 



one of them the basal and apical marks are joined by a narrow 

 stripe towards each side. 



0. Lafertei, Muls. Hah.— Brisbane, Q.: Tweed River, N.S.W. 

 O. QUADRIMACULATUS, De Ker. Hah. — King's Sound, N.W. A.; 

 Sydney, N.S.W. 



O. BiLUNULATUS, Boisd. Ilah. — New South Wales, Tasmania. 

 O. CHALYBEUS, Boisd. Hah. — Brisbane, Sydney. 

 Chilocorus Baileyi, Blackb. Hah. — Somerset, N.Q. 



NOVIUS TRIDENS, n.sp. 



Head, prothorax and scutellum piceous-black; sterna and legs 

 (tarsi excepted) piceous, anterior tibiae paler; elytra (including 

 epipleurae) sanguineous, the sides and suture clouded with piceous ; 

 on the sides not quite to base, on suture to base but rather 

 indistinctly so; abdomen dull brownish-red. Clothed with short 

 yellowish-white pubescence. Length 3 mm. 



^a6._Sydnoy, N.S.W. 



Difiers from cardinalis, besides markings, in being smaller, 

 less convex, and with much finer punctures; the dark markings 

 on the elytra are somewhat trident-shajDed. The specimen 

 described is from the collection of the late Mr. A. Sidney Olliff, 

 and bears a label in the handwriting of the Rev. T. Blackburn 

 "Novius sp.n," 



NOVIUS IMMACULATUS, n.Sp. 



Piceous-black; antennse, palpi, tarsi, four anterior and part of 

 posterior tibiae brownish-red. Clothed with short ashen pubes- 

 cence. 



Head and prothorax finely, elytra densely and moderately finely 

 punctate. Abdomen with six segments. Length 2 J mm. 



Hab. — Swan River, W.A. 



In this species red has entirely disappeared from the upper 

 surface. In shape it strongly resembles If. Lindi, and I should 

 probably have taken it for a variety of that species but that the 

 punctures are rather denser and stronger, and the pubescence is 



