400 (24) Mr. G. R. Crotch's Revision of 



in fi-ont and at the sides coarsely, punctate ; liead grooved beneath, 

 coarsely punctate; antennae, with the 3rd joint slightly longer 

 than the 4th. 



Thallis? Erichsoni, sp. n. 



Nigra, subelongata, aureo-pubescens, capite thorace subrugose 

 punctatis scutello rugoso ; elytris })unctato-striatis interstitiis 

 seriatim punctatis, nigris, fascia basali (macula scutellari inclu- 

 dcnte), altera pone mediuin, alteraque subapicali interruptis, rulis; 

 corpore subtus profunde punctato. L. 2^ liu. 



Sydney (Chapuis). 



Rather intermediate between the typical ThaUis and T. insueta. 

 The scutellar stria is present, the 3rd joint of the antennee sub- 

 elongate, the nientum normal. Abdomen punctulate, ]iubescent, 

 eoxal line obsolete ; metasternum punctulate, sides deej)ly punc- 

 tate, canalicxilate, depressed behind in the middle ; mesosternum 

 depressed for the prosternum which is narrow, and pointed behind, 

 the anterior part is rugosely punctate ; head with a transverse 

 furrow, coarsely punctate all over. 



Thallis 1 Waliacii, sp. n. 



Oblonga, rufo testacea, nitida, glaberrima, capite postice obscu- 

 riore, c\im thorace parce punctato, hoc lateribus crasse, basi te- 

 nuiter marginatis, ante scutellum lobato ; scutello Ifevi ; elytris 

 punctato-striatis, interstitiis parcissime punctulatis, flavo-testaceis, 

 basi vage nigropicea, fascia pone medium lata, apiceque nigiis 

 (apice ipso vage rufo) ; suVjtus testacea, abdomine subtiliter punc- 

 tato, medio fere Isevi, pubescente, segmento 1° linea abbreviata 

 coxali, metasterno subltevi, prosterno punctis paucis ])rofunde 

 impressis, processu quadrato, in medio acuminato-producto. 

 L. 1| lin. 



Aru Isl. (Wallace). 



Antenupe with the 3rd joint short, eyes very coarsely granu- 

 lated, mesosternum depressed, short, so that the prosternum reaches 

 the metasternum. 



Thallis polita. 



Engls polita, White, Zool. Ereh. and Terr. Ivs. 1 8. 



Oblonga, nigro-subsenea, antennis pedibusque ferrugineis; capite 

 thoi'aceque fortius punctato, hoc lateribus subtiliter nuirginatis, 

 b isi impresso, tenuiter raarf^inato, ante scutelhmi late lobato ; 

 elytris tenuissime setosis, subtiliter seriato ])unctatis, interstitiis 

 j)unctulatis, circa scutellum confuse punctatis ; abdomine subtus 

 j)ubescente, vix punctulato, linea coxali tenui, valde abbreviate, 

 metasterno punctulato, mesosterno tranverse in medio depresso, 

 prosterno processu quadrato, punctis paucis impresso. L. 2| lin. 



