A MONOGttAPH OF THE PILL-MILLIPEDES. 281 



but more extensively hairy and punctured, from Rodaikanal in the 

 Palnai Hills, 7,000 feet altitude. 



Arthrosphcera nit/da^ sp. n. 



Nearly allied to A. Daly!. 



A uniform deep olive-green, lightly mottled with paler spots ; borders 

 of terga not distinctly redder, terga much smoother, only the anterior 

 third of them punctured, the rest exceedingly smooth and polished ; 

 anal iergite entirely smooth and polished, without marginal notch ; the 

 inner crest longer, at least twice the length of the one on the tergite 

 in front, and not bounded behind by a fine vertical groove. 

 / Length 27mm., width 14*5. 



Locality. — Kodaikanal, Palnai Hills, 7,000 feet {J. R. Henderson). 



Key to the Species of Arthrosphcera. 



a. Basal segments of legs with strongly toothed inferior edges. 



(Body pimctured and rugose throughout ; no teeth on 

 head) ,,, pilifera (Butl.) 



b. Basal segments of legs with lower edges not toothed. 



a\ A prominent ridge armed with spines running along the top 

 of the head from side to side above the eyes. 

 a^. Ridge on head mesially interrupted by a downwarc^ pro- 

 longation of the lower border of the nuchal-plate, which 

 is deeply bisinuate. 



a'. Anterior border of second tergal plate strongly 

 produced on a level with the eye ; smooth, 

 polished, marbled black and yellow ^...versicolor 



(White). 



b . Anterior border of 2nd tergite not produced ; 



densely punctured, not poHshed, dull greenish 



tint noticeps (Butl.). 



K'. Ridge on head continued from side to side without 



interruption ; lower edge of nuchal-plate scarcely 



bisinuate. 



a*. Anal tergite with a small tuberculiform inner 



crest ; tergal plates including the second 



punctured and roughened to the very maro-in 



rugulosa (Butl.). 



