62 p. CAMERON, ON THE MALAY FOSSORIAL 



Front and vertex sparsely, but strongly punctured, the for- 

 mer more strongly and closely than the latter ; there is a 

 short longitudinal furrow in the centre of the vertex. Depressed 

 base of the pronotum coarsely, closely irregularly reticulated ; 

 the raised apical part wider than long, sparsely, weakly punc- 

 tured. Metanotum closely, strongly transversely striated ; keel 

 1 irregular, indistinct, broken in the middle; 2 and 3 widely 

 separated, united at the apex ; the space between closely, but 

 not finely transversely striated ; 3 and 4 are united at the 

 base, 5 is distinct and hardly converges towards the apex ; 

 the apex of the segment is transverse, with the sides bluntly 

 rounded. Pleurœ distinctly, but not closely punctured, the base 

 of the metapleuras more weakly and sparsely than the rest. 

 The 2"'^ abdominal segment is short, in length less than one 

 half longer than the dilated part of the P' ; its sides are 

 straight, not curved outwardly, below, its base is vertical, 

 rounded beneath, above not clearly separated from the apex 

 of the 1^' by a furrow as in latifrons, jacana and hrevicornis ; 

 the apex of the P' ventral segment is straight, as in Kohl's 

 figure of ^4. assunilis, I. c. pi. XII, f. 38, not roundly dilated 

 as in latifrons. 



Tachjtes borneana Cam. 



Journ. St. Branch Roy. Asiatic Soc. 1902, p. 96. 

 Ardjoeno, Java. (Scheepmaker leg.) ; Lahat, Palembang, 

 Sumatra. 



Tachi/tes modesta Smith. 



Batavia, Java. (Van Nooten leg.). Several specimens. 



Pison nitidus Sm. 



Tjandi near Semarang. April to June. (Drescher leg.). 



