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



in front and at the sides coarsely, pxmctate ; liead grooved beneath, 

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

 than the 4th. 



Thallis? Erichsoni, sp. n. 



Nigra, subelongata, aureo-pubescens, capite thorace subrugose 

 punctatis scutello rngoso ; elytris j)unctato-striatis interstitiis 

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

 dente), altera pone medium, alteraque stibapicali interruptis, rulisj 

 corpore subtus profunde punctato. L. 2^ lin. 



Sydney (Chapuis). 



Rather intermediate between the typical ThaUis and T. insueta. 

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

 elongate, the mentum normal. Abdomen punctnlate, jiubescent, 

 coxal line obsolete ; metasternum punctnlate, sides deeply punc- 

 tate, canaliculate, depressed behind in the middle ; mesosternum 

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

 the anterior part is rugosely punctate; head with a transverse 

 furrow, coarsely punctate all over. 



Thallis? Wallacii, sp. n. 



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

 riore, cum thorace parce punctato, hoc lateribns crasse, basi te- 

 nuiter marginatis, ante scutellum lobato ; scutello Isevi ; elytris 

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

 basi vage nigropicea, fascia pone medium lata, apiceque nigris 

 (apice ipso vage rvifo) ; subtus testacea, abdomine subtiliter punc- 

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

 coxali, metasterno sublfevi, prosterno punctis paucis ])rofunde 

 impressis, processu quadrate, in medio acuminato-producto, 

 L. U lin- 



Aru Isl. (Wallace). 



Antenna3 with the 3rd joint short, eyes very coarsely granu- 

 lated, me-^osteruum depressed, short, so that the prosternnm reaches 

 the metasternum. 



Thallis polita. 



EiKjis poUta, White, Zool. Ereb. and Terr. Ins. 18. 



Oblonga, nigro-subajnea, anteimis pedibusque feiTtigineis ; capite 

 tlioraceque fortius punctato, hoc lateribns subtiliter marginatis, 

 b isi impresso, tenuiter marginato, ante scutellum late lobato ; 

 elytris tenuissime setosis, subtiliter seriato punctatis, interstitiis 

 punctulatis, circa scutelkim confuse punctatis ; abdomine subtus 

 pubescente, vix punctulato, linea coxali tenui, valde abbreviate, 

 metasterno punctulato, mesosterno tranverse in medio depresso, 

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



