367 



64. Strongylosoma weberi, sp. n. PI. XXI, flg. 4 — 4 a . 

 Java: Buitenzorg. 

 Celebes: Makassar. 



Colour ; head brown , antennae infuscate ; somites above pitch black or 

 deep brown, contrasting strongly with the flavous tint of the keels and 

 caudal process ; lateral surface black, or deep brown ; sternal areas flavous , 

 with a pale brown patch in the middle of the cylindrical portion ; legs 

 pale brown distally , ringed with flavous proximally ; anal sternite brown. 



Q. Head smooth and sulcate above, hairy below; antennce of 

 moderate length. 



First tergite convex, wider than the head, distinctly keeled, the 

 keel depressed, its posterior border directed forwards, its hinder angle 

 sharp, its anterior border evenly convex from the posterior angle. The 

 second tergite as wide as the first, its keel well -developed and just 

 below the level of the keel of the first and of the third, its anterior 

 angle not produced, its posterior angle strongly produced. Keels of 

 the third and fourth well developed, concave behind, convex in front, 

 with pointed posterior angle. The keels of the rest horizontal, rising 

 above the middle of the side , well developed , the lateral border parallel 

 to the long axis of the body, the position of the pore clearly defined, 

 the arjterior angle rounded, the posterior angle acute and produced 

 beyond the level of the posterior border of the tergite, the lateral 

 margin thickened. The dorsal surface shining , almost smooth , lightly 

 longtudinally striolate; the transverse sulcus well-marked, slightly 

 sinuate in the middle, beginning on the fourth. Lateral sur faces finely 

 granular, smoother towards the hinder end of the body. Inferior crest 

 or keel well developed on the first four somites , represented from the 

 fifth about the twelfth by a posterior tubercle which decreases in size 

 towards the posterior end of the body. Caudal process with its sides 

 slightly converging posteriorly, the apex truncate and bifid, its upper 

 surface raised above the level of the rest of the tergite. Anal sternite 

 normally bituberculate. Sterna and legs normal. 



Length up to about 38 mm.; width of 10 th segment 5.4. 



cf. Narrower and a little shorter than the female (length 34, width 4.7), 

 with the keels a little higher. The sternal process of the 5 th segment 

 consisting of two distinct tubercles. The copulatory feet like those of 

 coarctatum, slender curved, terminating distally in two processes the 



