236 AUSTRALIAN PSELAPHID^K, 



trochanters with a strong, sharp, straight 

 and subapical spine, intermediate ones 

 simply carinate ; intermediate femora 

 strongly emarginate at base outwardly, 

 thickened in the middle, emarginate in- 

 wardly before the end.— Australia longipes, Schfs.* 



C 1. Punctures very strong. 



D 2. Prothorax regularly ovate; elytra, sides and 

 shoulders rounded; palpi nearly as long as 

 the antennae and slender, joints 3, 4 sub- 

 equal to each other and hardly longer 

 together than the second one; head nearly 

 flat, sides parallel. £ . Intermediate tro- 

 chanters with a very strong, basal and com- 

 pressed tooth, obliquely truncate and min- 

 utely penicihate at apex, intermediate 

 femora strongly emarginate at base out- 

 wardly, tibias with a sharp, long apical 

 spur. — Parramatta; Clarence River; Tas- 

 mania palpalis, King.t 



D 1. Prothorax a little cordate, broadest before 

 the middle; head narrow and depressed in 

 front of the eyes, vertex rather convex; 

 palpi much shorter than the antennae, each 

 joint much thicker; punctures very strong 

 but a little scattered. $ . — Clyde River.... eribratipennis, Schfs.§ 



Gerallus dimidiatus, n.sp. 



Oblongus, totus castaneus vel rufo-castaneus, brevissime pallide 

 pubescens. Caput minute et disperse punctatum, postice rotun- 

 datum, antrorsum attenuatum, inter oculos foveis duabus medio- 

 cribus, fronte medio depresso. Palpi pallidi, articulis 2° tertio et 

 quarto simul sumptis tantummodo breviori. Antennae validse, 

 articulis 1° cylindrico, elongate, 2 breviori, subcylindrico, 3 

 latitudine sua paulo longiori, sequentibus longitudine decrescen- 

 tibus, 7 quadrate, 8 fere transverso, clava magna, 9-10 globosis, 

 magnis, 11 magno, ovato. Prothorax minute et disperse punc- 



* Tijds. v. Ent. xxix. p. 294. 



t Trans. Ent. Soc. N.S.W. 1863, p. 42, PI. 16, fig. 5a. 



§ Tijds. v. Ent. xxix., 18S6, p. 292. 



