282 MAK'llN .lACom 



about half tlie length of the body, the lower four joints fulvous, 

 the rest black, the third and fourth Joints elongate, slender; 

 thorax transverse, twice as broad as long, the sides rather 

 evenly rounded , the surface closely .-ind strongly punctured ; 

 elytra with a short hut distinct transverse depression below the 

 base , the latter strongly punctured , the punctuation gradually 

 diminishing posteriorly, the suture accompanied by a groove 

 which commences before the middle; the anterior femora dilated 

 into a strong and broad triangular tooth, the other femora with 

 a smaller tooth. 



Siboga in April. 



R. annata may principally be known by the bi-oadly toothed 

 anterior femora in connection with its uniform coloration and 

 the strongly punctured thorax. 



17. 01ia,lcolaui|>i*ci g-uttata , Fah. 



Sumatra, Siboga, April 1886. A single specimen. 



18. Haltica oyaixea, ^VERF.R. 



Sumatra: Siboga, Padang, March, April 1880 and Island of 

 Nias. Eleven specimens. 



19. Splxaei*onietopa acroleuca, Wied. 

 Island of Nias. Bawo Lowalani, May 1880. Three specimens. 



20. Iiiiolia nift'voisvsoiata , .Ja^. 

 (Plate IV, fi,,. 7). 



Three specimens from tiie Island of Nias. 



"21. Soljaetlie fsiuiiiati*ana, .J At 



From Nias, three specimens. 



