1896.] of the Goleoptera of South Africa. 151 



shape impression, smooth, very shining ; palpi, apical part of man- 

 dibles and the four basal joints of the antennae pale yellow; pro thorax 

 dark metallic green, deeply and closely punctured from base to apex, 

 not much narrowed in the anterior part ; elytra deeply striated, with 

 the striae broadly punctured from the base to two-thirds of the 

 length, the punctures very faint from there to the apex, and the 

 third interval with three punctures, dark metallic green, with the 

 outer margins and the apical part pale yellowish red ; legs yellowish, 

 under side very dark green. Length 7-|— 8 mm. ; width 2-2 J mm. 

 Hah. Mozambique (Rikatla). 



Casnonia dorsalis. 



Head black, with a metallic green tinge, deeply depressed longi- 

 tudinally on each side of the epistome, and with a median crescent- 

 shaped impression, smooth, very shining ; palpi, apical part of 

 mandibles and the four basal joints of the antennae pale yellow ; 

 prothorax very slightly punctured in the anterior part, and more 

 closely and deeply from about the middle towards the base ; elytra 

 deeply striated, with the striae broadly punctured from the base to 

 two-thirds of the length, but distinct, although smaller, from there to 

 the apex, pale yellow, with a broad dorsal green metallic band 

 extending on each side of the suture to the fifth interval as far as 

 two-thirds of the length, and narrowed from there into a sutural 

 band reaching the third interval, but stopping short of the apex ; 

 legs pale yellow ; pectus dark brown ; abdominal segments yellowish 

 red. Length 7 mm. ; width 2 mm. 



Hah. Mozambique (Eikatla). 



Casnonia suturalis. 



Head, palpi, apical part of mandibles, and four basal joints of 

 antennae as in the two preceding species ; prothorax very slightly 

 punctured in the anterior part, and more closely from about the 

 middle to the base, dark metallic green ; elytra deeply striated, with 

 the striae broadly punctured from the base to two-thirds of the 

 length, brownish, with a green sutural band extending from base to 

 apex, a little broader near the base, and extending from the suture 

 to the second interval ; pectus dark brown, abdominal segments of a 

 lighter colour ; legs pale yellow. Length 6 mm. ; width 2 mm. 



Hah. Mozambique (Rikatla). 



Casnonia amcenula. 



Head smooth, black, the first three joints of the antennae and part 

 of the fourth pale yellow, the other joints as well as the last one of 

 the palpi infuscated ; prothorax closely and deeply punctured from 



