393 



STUDIES IN AUSTRALIAN ENTOMOLOGY. 



No. vii. — New Genera and Species of Carabid^ (Including 

 Some Notes on Previously Described Species, and Synoptic 

 Lists of Genera and Species). 



By Thomas G. Sloane. 



s c a r i t i n i . 



Geoscaptus CRASSUS, n.sp. 



Piobust, elongate, parallel, laevigate, lightl}^ convex ; prothorax 

 transverse, obliquely narrowed on each side of base ; anterior 

 tibiae ti'identate. 



Polished black. Head transverse (4-4 x 7 mm.), lightly con- 

 vex ; front depi'essed, strongly bi-impressed ; the impressions 

 distant from eyes, wide, shallow, converging slightly behind, 

 curved outwards in front along course of clypeal suture, this im- 

 pressed ; clyi^eus longitudinally rugulose, anterior margin sloping 

 lightly inwards on each side of labrum, emarginate jjehind 

 labrum ; eyes deeply set in orbits, not prominent ; orbits tuber- 

 culiform behind eyes ; the post-ocular processes two-thirds the 

 size of eyes and nearly as prominent, abrupt behind. Upper 

 surface of mandibles closely and finely rugulose. Prothorax 

 transverse (5-5 x 8*3 mm.), widest near anterior angles, lightly 

 conA^ex ; sides lightly rounded to anterior angles, straight and 

 narrowing a little to posterior angles (these not marked), obliquely 

 narrowed with a light sinuosity to base ; basal angles not marked ; 

 base lightly sinuate in middle ; anterior margin lightly sinuate on 

 each side : anterior angles not marked or advanced ; border 

 narrow, reflexed, thicker on base ; marginal channel wide and 



