228 AUSTRALIAN PSELAPH1D.K, 



D 2. Joints of the antennae 3-10 black, 11th testaceous; 

 3rd joint of the palpi ovate; impression on the 

 first dorsal segment small and without carina;... cribratm, n.sp. 



D 1. Antennas castaneous, 11th joint rufous; 3rd joint 

 of the palpi short, subtriaugular; impression of 

 the first dorsal segment obliquely sulcate and 

 carinate on each side Mastersi, Macl. 



C 1. Antenna? unicolorous. 



D 2. Impressions of the first dorsal segment small, 

 without carina?; 3rd joint of the palpi briefly 

 ovate come-', Schfs. 



D 1. Impressions of the first dorsal segment very long, 

 sulciform, divergent and carinate; 3rd joint of 

 the palpi short and triangular rlispar, n.sp. 



A 1. Entirely smooth. 



B 2. Black, elytra red; joints of the antennae 7- 10 black, spinosus, Westw. 



B 1. Body unicolorous; antenna? little darker towards 

 the apex. 



C 2. 3rd joint of the palpi strongly angulate inwardly 

 at the middle; penultimate dorsal segment pro- 

 duced above the pygidium nitidus, Raffr. 



C 1. 3rd joint of the antenna? ovate, rounded inwardly; 



penultimate dorsal segment simple Icevis, n.sp. 



Tyromorphus nigricornis, n.sp. 



Oblongus, castaneus,elytris peclibusque dilutioribus,antennarum 

 articulis 1 -3 castaneis, cteteris nigris, palpis runs, totus crebre et 

 valide punctatus. Caput subquadratum, lateribus subparallelis, 

 fronte medio impresso, inter oculos foveis duabus parum conspicuis. 

 Palporum articulis 2 apice rotundato, clavato, 3 brevi, subtriangu- 

 lari, 4 magno, ovato, basi oblique truncato, intus haud sulcato. 

 Antennas ad apicem incrassatae, articulis 1° longo, subcylindrico, 

 2 ovato, 3-6 oblongis, longitudine leviter decrescentibus, 7 fere 

 quadrato, 8 leviter obconico, latitudine sua asquilongo, 9 multo 

 raajori transverso, 10 haud longiori sed latiori et magis transverso, 

 1 1 ovato, basi truncato. Prothorax breviter cordatus, latitudine 

 maxima anteriori, fovea media basali vix conspicua. Elytra 

 latitudine sua haud multo longiora, humeris rotundatis, promi- 

 nulis, sulco dorsali brevissimo. Abdomen elytris longius, segmento 



