REPORT UPON TWO COLLECTIONS OF MYEIOPODA, 151 



Furthermore, the longitudinal sulcus of the tergites is less strouo-ly 



developed than in the ? , being in fact nearly obsolete, while in 



St. skiiiueri it is more strongly developed than in the $ of cingalense. 



8trongylosoma 23hipsoni, sp. n. 



(PI. i, fig. 4; Pl.ii, fig. 13.) 



9 . Colour ; head, antenna, upper surface of legs and somites, as' 

 far as the transverse sulcus, ferruginous, the lower surface of the 

 legs and of the somites pale coloured ; the borders of the first 

 tergite, the portions of the other tergite, posterior to the transverse 

 sulcus, with the corresponding half of the keel yellow ; sometimes there 

 is an abbreviated, narrow, darker median longitudinal streak on the 

 posterior half of the tergites; the entire upper surface generally 

 exceedingly polished. 



Head with a sulcus running from the vertex to a point on a level 

 with the joint of the antennae, labral region rugulose; antennae elongate. 

 First tergite without trace of keel ; the second with a conspicuous keel, 

 slightly produced in front and behind, which is below the level of the 

 margin of the first and of the keel of the third ; the other segments 

 distinctly keeled, the keels, however, are small, although defined above 

 almost throughout the length of the keel-bearing portion of the 

 tergites, and project slightly posteriorly ; the upper surface of the 

 tergites is perfectly smooth, the transverse sulcus is conspicuous, but 

 there is no longitudinal sulcus ; the portion beneath the keel is at 

 the anterior extremity of the body apparently granular, posteriorly it 

 is irregularly and longitudinally striate, especially behind ; there is a 

 complete inferior keel above the base of the legs on all the segments ; 

 the pores are lateral and situated in the posterior half of the keels ; 

 the groove which separates the anterior cylindrical from the posterior 

 keel-bearing portion is above indistinctly^ beaded. 



Legs shortly hairy beneath. 



6 . Of more slender build, with more prominent keels. The anterior 

 legs thickened, the two distal segments of the legs thickly hairy 

 beneath. The sternum of the 5th somite without any outgrowth. 



The copulatory feet short ; the proximal segment is thickly 

 hirsute and bearing a backward projection, the following seo-ment 

 apparently undivided, but stout at the base and taperino- to the 

 point, its distal half, when at rest, spirall}^ coiled on itself. 



