584 REVISIONAL NOTES ON AUSTRALIAN CARABID^, V., 



Helluonidius' cyaneus Castelnau. 

 Helluosoma cyaiiea Cast., Trans. Roy. Soc. Victoria, viii., 

 1868, 109; Helluonidius cyaneus Gestro, Ann. Mus. Civ. 

 Genova, vii., 1875, 875. 



Black, elytra dark cyaneous. Differs from H. cyanipennis 

 Hope, by elytra duller-coloured; puncturation of elytra stronger, 

 etc. Length 17-5-19 mm. 



Hab.—Co8iSiaA districts north from Sydney : Sydney (Carter), 

 Clarence River and Rockhampton {fide Castelnau), Coff's 

 Harbour. 



Helluonidius cyanipennis Hope. 

 Enigma cyanipenne Hope, Proc. Ent. Soc, 1842, 46 ; Ann. 

 Nat. Hist., ix., 1842, 462; Castelnau, Trans. Roy. Soc. Victoria, 

 viii., 1868, 109: Helluonidius cyanipennis Chaudoir, Rev. «k Mag. 

 Zool., 1872, 216; Gestro, Ann. xMus. Civ. Genova, vii., 1875, 875: 

 jEnigma viridipenne Macleay, Proc. Linn. Soc. N. S. Wales, (2), 

 ii., 214. 



H. cyanipennis is distinguished by its bright blue elytra. 

 Length 18 mm. I have seen the type of Helluosoma viridipenne 

 Macleay, in the Macleay Museum, and consider it identical with 

 Hope's species. 



Hah. — Tropical Australia, from Townsville to King's Sound. 



Genus Dicranoglossus. 

 Chaudoir, Rev. & Mag. Zool., 1872, 217. 



Winged. Setosity pale. Form rather narrow. Head wide; 

 vertex setigero-punctate: neck wide; eyes prominent; orbits rather 

 small behind eyes, pilose; several elongate hairs near eyes on each 

 side. Antennae not long, thick; four basal joints cylindrical. 

 Clypeus emarginate, with angles prominent, setose, with two 

 longer prominent hairs on each side. Labrum convex; anterior 

 margin triangularly prominent, 10-setose. Mentum without 

 median tooth. Ligula deeply excised, bilobed; lobes obtuse and 

 ciliate at apex. Palpi : labial with apical joint stout, truncate; 

 maxillary with penultimate joint small, apical joint lightly securi- 

 form. Maxillae with inner lobe sharply hooked; apex projecting 

 a little beyond hook, and ciliate. Prothorax setigero-punctate, 

 strongly and roundly ampliate at anterior fourth, strongly sinuate- 



