Longicornia Malayana. 623 



base than the prothorax^ gradually narrower posteriorly ; 

 body beneath testaceous, the sides, metasternum, and 

 abdomen whitish, the former smoke-coloured in the 

 middle, propectus glabrous, glossy brownish-red; legs 

 blackish, posterior tarsi and last four joints of the an- 

 tennae whitish, the rest of the antennae black. 



Length 6| lines. 



Although approaching the last species in colour, this is 

 very distinct in form, sculpture of the prothorax, and the 

 raised median line of the face. 



Demonax macilentus. 



Macrocyrta macilenta, Chevrolat, Rev. et Mag. de Zool. 



1858, p. 82. 



D. elongatus, cinereus; elytris nigris, fasciis quinque 

 cinereis, prima iniistincta basali, secunda tertiaque 

 ad suturam connexis, quarta antice arcuata, quinta 

 apicali. 



Hah. — Singapore. 



Narrow, elongate, ashy; prothorax subcylindrical, a 

 little rounded at the sides, with two indistinct black spots 

 placed a little before the middle ; scutellum curvilinearly 

 triangular, a little rounded at the apex ; elytra black, 

 with five ashy bands, the first basal, indistinct, the second 

 curved upwards and as well as the third ascending along 

 the suture, the fourth arched in front, the fifth apical; 

 body beneath, and legs, brownish- ashy; antennge longer 

 than the body, dull ashy. 



Length 8 lines. 



One of the narrowest species of the genus, and remark- 

 able for the number of its bands, — five ashy and four 

 black. 



Demonax ordinatus. 



D. angustus, modice elongatus, cinereus ; prothorace 

 elongato-ovato ; elytris nigris, fasciis quatuor cine- 

 reis, prima basali, secunda tertiaque ad suturam 

 connexis, quarta apicali. 



Hah. — Singapore. 



