494 



HYDROPHILIDAE. 



Berosus macumbensis, Blackb. Carraweena, Strze- 



lecki Creek. 

 Hydrobius assimilis, Hope. Orroroo, Parachilna, 



Strzelecki Creek. 

 Hygrotrophus nutans, Macl. Strzelecki Creek. 

 Paracymus spenceri , Blackb. Parachilna. 

 Philhydrus andersoni, Blackb. Carraweena. 

 P. marmoratus, Macl. Parachilna. 



STAPHYLINIDAE. 



Conosoma myrmecophilum, Lea. Ooldea. 



Creophilus erythrocephalus, Fab. Cooper Creek, 

 Ooldea. 



Scymbalium arcuatum, Fvl. Birkett's Woolshed, Carra- 

 weena, Hergott, Higgins Dam. 



Trogophlaeus adelaidae, Blackb. Birkett's Woolshed, 

 Farina, Hergott, Leigh Creek, Oodnadatta, Quorn, 

 Strzelecki Creek. 



Lathrobium semifumatum, n. sp. 



Flavous or reddish-flavous ; head moderately, the abdomen 

 more deeply infuscated. Clothed with short and sparse, sub- 

 erect pubescence, denser and more depressed on abdomen 

 than elsewhere, with a few long hairs scattered about. 



Head (excluding muzzle) subquadrate, parallel-sided 

 behind eyes, with scattered and not very large but sharply- 

 defined punctures. Antennae rather long and thin, third 

 joint distinctly longer than second or fourth. Prothorax 

 slightly longer than wide, widest near apex, where the width 

 is almost even with head, sides lightly but distinctly incurved 

 near apex, basal angles widely rounded, with somewhat denser 

 and smaller punctures than on head but absent along middle. 

 Elytra distinctly wider than long, slightly wider than head ; 

 with small and shallow punctures, seriately arranged, but 

 almost disappearing posteriorly. Legs short; front femora 

 stout and subdentate. Length, 6 ; to apex of elytra, 4 mm. 



Hah. — South Australia: Farina (Blackburn's collection), 

 Wookalla (A. M. Lea). Type, I. 8204. 



In many respects agrees with the description of 

 victoriense, but differs in having the prothorax dis- 

 tinctly narrowed before the middle and the head not 

 subtriangular ; in an unpublished table by the late Rev. 

 T. Blackburn it was distinguished from that species by 

 the "eyes exceptionally large" as against "eyes small" 

 (but the eyes were not even mentioned in the description 



