REPORT UPON TWO COLLECTIONS OF MYRIOPODA, 161 



Spirostrepfus asthenes, sp. n. 



Colour (in alcohol). Head infuscate above, ochraceous beneath, 

 the antennae and legs ochraceous; coUum infuscate, with paler 

 anterior border ; anterior part of the rest of the segments pale, 

 posterior part infuscate with reddish border, a pale median spot 

 on each forming together a dorsal band ; anal somite infuscate except 

 for the pale borders of the valves and the median dorsal band which 

 extends on to the caudal process. 



Of small size and slender build. 



Head smooth, not sulcate, margin of labral excavation furnished 

 with six pores, of which the two extremes are widely separated from 

 the rest. Eyes composed of about 40 ocelli, widely separated. 



Somites ; coUum smooth, its lateral portions with straight posteri or 

 and lightly sinuate anterior border, its anterior border defined by a 

 sulcus which extends as far as the eye, the inferior portion marked 

 by about two straight ridges and sulci ; the rest of the tergites 

 nearly smooth, irregularly and feebly longitudinally striolate, the 

 inferior and lateral surface of the posterior portion ridged up to the 

 pores, which are situated in the posterior half a little below the 

 middle line ; anal terglte above prpduced into a short blunt nearly 

 straight process, compressed at the base, projecting beyond the anal 

 valves, with its upper edge pointing slightly downwards and back- 

 wards ; valves convex, their borders smooth, very convex and strongly 

 compressed, the angle formed by the compressed portion roughened ; 

 sternite small, with posterior border very slightly angled. 



Number of segments 63. Length about 53 mm., width about 

 3"5 mm. 



A single $ specimen from Madras (Mr. Thurston). 



Spirostreptus jerdani, sp. n. 



Colour ? (specimen dry and probably faded) ; tergites cinereous 

 with ochraceous posterior border ; legs, face and collum entirely 

 ochraceous. 



Face convex, with frontal sulcus, punctulate above, marked below 

 with a coarse reticulated pattern of short sulci ; antennce of moderate 

 length, reaching beyond the margin of the collum ; ei/es of large size, 

 composed of about 60 ocelli arranged in 8 transverse rows. 



