( 423 ) 



Two subspecies : 



a. A. sporadis sporadis. 



S ?. Lateral vitta of pronntum interniptod ; the lateral jilates of the meso- and 

 metasternum more or less obviously edged with brown-black, and the brown-black 

 oblique streaks of the abdomen distinct. 



Hab. Palembang, Sumatra. 



One S four ? ¥ . 



h. A. sporadis luteus subsp. nov. 



? . Dots of ujiperside and pubescence of underside deeper clay-colour ; lateral 

 vitta of pronotum not interrupted ; dots of elytra rather more numerous than in 

 the preceding ; brown markings of underside indistinct. 



Hah. Borneo : Pontianak (f>/p''), and Kuching (October). 



Five ¥ ¥ . 



23. Acorynus melanopus si)ec. nov. 



(? ?. In appearance like sporadis but smaller, deeper black, with the antenna 

 slightly rnfescent, and the pubescence of the underside and the dots of the upperside 

 grey. Carinae of rostrum as prominent as in sporadis, but the mesial ones less 

 distinct in apical half and the lateral ones converging distally and again slightly 

 curving laterad at end. Eye almost circular. Prothorax shorter than in sporadis, 

 more rounded laterally in middle, with an antemediau discal dot ; lateral markings as 

 in sporadis sporadis. Dots of elytra more numerous. Legs black ; fem"ra puliescent 

 grey, apex and a middle i)atch black ; tibiae with narrow grey antemediau ring ; 

 first tarsal segment with large grey apical patch; tooth at end of midtibia (S) 

 straight ; anal sternite of ¥ rounded, without tubercle. 



Length, 6^ mm. 



Ilab. Palembang, Sumatra. 



Four (Jc?, one ¥ . 



24. Acorynus cordiger spec. nov. 



¥ . Similar to apicalis ; apical fourth of elytra and pygidium densely pubescent 

 buff, this patch somewhat heart-shaped. Larger than apicalis ; rostrum somewhat 

 longer, the apical portion of the mesial carina more distinct and longer. Segment 

 10 of antenna over half the length of segment 9, while it is only one-third the length 

 of in apicalis. Dorsal carina of prothorax more straight and the lateral carina 

 longer. Rostrum and head densely jnibeseent buff, except a brown spot on occiput. 

 Pronotum and liasal half of elytra greyish brown, area in i'ront of buff anal patch 

 broadly brown ; about ten indistinct spots on pronotum and six in basal half of each 

 elytrnm also brown ; a few minute dots in and behind middle of elytrum buff ; 

 elytra deejjer depressed at suture than in apicalis. Underside olivaceous, without 

 the buff spots of ■ipiculis ; first segment of tarsi all greyish buff; segments 2 to A 

 brown- black. 



Length, loi mm. 



Hah. Java. 

 One¥. 



25. Acorynus lewisi spec. nov. 



i'i. Knfons brown, antrrjua fexcc|it brown club) and legs (except tarsal 

 segments 2 to 4, wliicli are brown) pale rufous. Hoslruin, cheek and underside of 



