610 REVISIONAL NOTES ON AUSTRALIAN CARABIDiE, V., 



interstices depressed, 2-7 with three rows of fine punctures, 

 eighth with four rows of punctures, third with four widely 

 spaced dorsal punctures. Length 19*5, breadth 6*7 mm. 



Hah. — Tropical Queensland (Dodd). Mr. F. P. Dodd sent 

 me one specimen without exact locality ; but I believe it is 

 from somewhere near Cairns. I have seen a second specimen 

 in the South Australian Museum, as from near Cairns. 



9. Differs from cf by prothorax narrower (3-5x4 mm.), 

 anterior angles rounded off, anterior margin truncate, a little 

 more prominent than anterior angles. 



Hah. — Townsville (Coll. Ferguson). One specimen (9) was 

 sent to me for examination by Dr. E. W. Ferguson, of Sydney. 



Genus -Enigma. 



Newman, Ent. Mag., iii., 1836, 499. 



Depressed, winged ; upper surface violaceous or cyaneous. 

 Head wide ; eyes semiglobose, lightly enclosed behind ; one sen- 

 sitive supraorbital hair on each side. Antennae long, slender. 

 Clypeus depressed, widely subemarginate. Labrum large, de- 

 pressed ; apex prominent, widely rounded ; one prominent seti- 

 gerous puncture at each anterior angle, four other less con- 

 spicuous setigerous punctures in an irregular row between the 

 two lateral punctures ; sides sparsely setose. Mentum eden- 

 tate ; lobes with apex elongate, pointed. Ligula convex, wide, 

 cordate ; inner surface with a few long setae on basal half. 

 Palpi : labial with two apical joints subequal, apical rather 

 narrow, truncate ; maxillary with apical joint wide, securi- 

 form. Maxillae with inner lobe not prominent at middle of 

 inner side ; apex slightly prominent, tufted with hair ; hook 

 placed at right angles, long, slender. Prothorax transverse, 

 wide at base ; sides not ampliate, not strongly angustate to 

 base ; basal angles distant from peduncle. Elytra with inter- 

 stices wide, lightly convex, 1-6 biseriately punctate, third with 

 four or five distantly placed dorsal punctures, eighth wide, 

 pluripunctate ; humeral angles in cT strongly dentate, in 9 

 rounded ; setae pale. Prosternum strongly declivous before 



