54 APOGONIA EXPEDITIONIS. 



The pi'othorax (viewed from above) slightly narrowing 

 to the front margin in faintly curved lines, the front 

 angles slightly prominent and narrowly flattened , the hind 

 angles obtuse but distinct; the punctuation on the surface 

 is close and even, and finer than that on the face; a pair 

 of small impressions are present on the basal margin in 

 front of the lateral angles of the scutellum , and in some 

 specimens a narrow smooth line along the middle of the 

 disc is visible. The scutellum has a group of distinct punc- 

 tures on each side. 



The elytra are covered with large deep punctures ; each 

 elytron shows three costae of which the first is somewhat 

 broader than the two others; the second is triangularly 

 enlarged at the base, the third rather indistinct; the 

 space between this latter and the three lateral rows of 

 punctures is punctured as the rest of the elytra. In some 

 specimens an impression is present just beyond the scutellum. 



The punctures on the sides of the metasternum are con- 

 tiguous to each other, those on the abdomen wider apart 

 and considerably larger; the pygidium is more or less 

 strongly convex (depending from the sexe?), and very 

 coarsely but not closely punctured. 



The anterior tibiae are tridentate , the upper tooth , 

 however, is small. 



Hab. The islands of Sumatra (captured in various loca- 

 lities during the Sumatra-Expedition, and moreover by 

 Messrs. A. L. van Hasselt, Keil, Ludeking, Sal. Muller, 

 Pasteur, M. L. Ritsema and Wienecke), Bentan or Bintang 

 (A. L. van Hasselt) and Groot Natuna (A. L. van Hasselt). 

 There are also specimens from Malacca and from Singa- 

 pore in the Leyden Museum. 



Leyden Museum, April 1896. 



Notes from the Leyden Museum, "Vol. XVIII. 



