of ilie Groiq) Cevaml)ycinre.. 29 



single transverse groove In addition to the postocular cou- 

 striction. 



The species somewhat resembles P. serious, but may be 

 easily distinguished by the characters given. 



Pacliydissus inter medius, sp. n. 



P. serico verisimilis, sed differt prothorace lateraliter in medio obtu- 

 81US tiiberculato, et anteunis corpore sosqui-longioribus, articulis 

 tertio quartoque apice minus tbrtiter uodosis, articulis tertio 

 quintoque plus elougatis. cS . 



Long. 27, lat. 7^ mm. 



Hab. South Australia {Bukewell) . 



Without the distinct difference in the antennas this species 

 might well be placed with sericus. The antenna3 are, how- 

 ever, much longer (surpassing the elytra by about the last 

 three joints) ; the third joint is about half as long again as 

 the fourth, and both these joints are only slightly nodose at 

 the apex. The prothorax is more obtusely tubercled at the 

 sides. 



Pachijdissus parvicolUsj sp. n. 



Badius, pube aureo-flava sericea leviter obtectus ; prothorace antice 

 posticeque gradatim angustato, medio utrinque obtuse angulato, 

 supra irregulariter et minus fortiter plicato ; elytris elongatis, 

 leviter sericeo-pubescentibus ; apicibus truncatis, sutura spinosis ; 

 antennis {S) corpore duplo fere longioribus, articulo tertio quam 

 primo multo longiore, ( 9 ) corpore brevioribus. 



Long. ( (J ) 32, lat. 8| mm. 



Hab. N. India. 



Prothorax somewhat obtusely dilated or angulated at the 

 middle of each side, and from thence gradually narrowed to 

 the base and apex, irregularly and not very strongly Avrinkled 

 above. Elytra rather long, gradually and slightly narrowed 

 posteriorly for about four fifths of their length, and then more 

 quickly narrowed towards the apex, wdiere they are truncate, 

 with a short spine at the suture on each side ; with a not 

 very dense yellowish-tawny silky pubescence, which veils a 

 reddish-brown derm, the pubescence giving faint wavy 

 reflexions in certain lights. Antenna^, in the male not quite 

 twice as long as the body, with the third and fifth joints sub- 

 equal, each much longer than the first or fourth, and with the 

 third and fourth and some of the succeeding joints slightly 

 nodose at the apex. Antenna3 in the female a little shorter 

 than the body. 



