140 ^Ir, 1\. I. Pocock 071 the 



(liiced beliind into a short caudal process wliicli scarcely covers 

 the tops of the valves; valves with their margins widely 

 compressed ; sfenu'tc large, rounded, obtuse-angled. 



Lerjs with a single seta on the lower surface of each 

 segment ; none of the segments padded ; the coxa? of the 

 third, fourth, and fifth legs produced, and the inferior surface 

 of these legs, as well as of the sixth and seventh, iuHated 

 beneath. 



Cop}iIatory feet with the anterior median lamina wide, half- 

 moon-like above, bearing a median, downwardly directed, 

 slender, pointed linguiform process, which projects far below 

 the level of the anterior lateral lamina and also below that of 

 the posterior lateral lamina. 



Number of somites 46— i8. 



Length 83 millim. 



Two male examples from Ki Dulau, one of the islands of 

 the Ki or Kei group, in the Banda Sea, off the coast of New 

 Guinea. 



Spirohohis jlavo-collan'sj sp. n. 

 (PI. IX. fig. 11,11a). 



Closely allied to the preceding species. 



Colour dark greenish black, with the legs, antenna3, labial 

 border, and posterior border of the somites ochraceous ; the 

 coUum entirely bordered with ochraceous, the anterior stripe 

 wider than the posterior. The somites smooth, striate below, 

 the sulcus very feeble, obsolete above ; scohina large and 

 extending to about the thirty-sixth segment. 



The anal somite small, the hinder end of the body being 

 narrowed from above downwards and from side to side ; the 

 posterior border of the tergite produced into an angle of about 

 90°; the valves prominent, very lightly compressed behind. 



Number of somites 52. 



Length about 50 millim., width Q'b. 



A single example from Wokan Dobbo, Aru Island. 



Spirololus dorsalis (Le Guillou). 

 (PI. IX. fig. 8.) 



lultis dorsalis, Le Guillou, Bull. Soc. Pliil. Paris, 1841, p. ^ ; Gervais, 

 ins. Apt. iv. p. 175. 



Colour. — The posterior borders of the segments fusco- 

 ferruginous, the anterior part testaceous ; a large anteriorly 

 narrowed black spot in the middle line of the back, the series 

 of sjwts constituting a continuous longitudinal dorsal band 

 from the collum to the end ot the anal tergite ; a fuscous 

 patch marking the pore ; the collum widely flavous along ils 



