142 JOURNAL, BOMBAY NATURAL HISTORY SOCIETY, 1892. 



Orphnceus hrevilahiatus, (Newport.) 

 Op. cit., p. 439 ; for synonymy, Pocock, op. cit., p. 425. 

 One specimen sent by Mr. Green from Ceylon. Witli the exception 

 of the preceding this species is more abundant in the East than any 

 other member of the family. 



The British Museum has examples from Burma, Madras, and 

 Ceylon. 



CLASS, DIPLOPODA. 



SUB-CLASS, PSELAPHOGNATHA. 

 Family, Polyxenidce. 

 Polyxenus ceylonicus, sp. n. 

 • Colour (in alcohol) entirely ochraceous. 



Of large size. 



Lower half of head perfectly smooth, labrum defined by a sulcus 

 and angularly excised in the middle ; a deep sulcus between the 

 antennae ; upper surface of head lightly hollowed in the middle, 

 furnished along its anterior margin with two tufts of long hairs ; 

 eyes composed of about 8 ocelli on each side ; antennae long and 

 slender, projecting far beyond the sides of the head. Body com- 

 posed of 11 segments, the terga indistinctly divided longitudinally in 

 the middle line ; each tergite furnished on each side of its posterior 

 border with a transverse tuft of hairs ; the pleura on each side 

 produced into a prominence which is adorned with a large tuft of 

 hairs; the terminal segment bearing an elongate funnel-shaped 

 tuft of hairs. 



Length 3 mm. 



Punduloya. Mr. Green informs me that he obtained this species 

 by beating the bushes. 



Unfortunately the immersion in alcohol of these specimens has 

 removed nearly all the hairs that adorn the body when living. I have 

 consequently been obliged to judge of their position by the scars 

 which mark their points of attachment. Fortunately Mr. Green 

 made a sketch of the lower surface of one of these animals before 

 the destruction of the hairs, and this sketch shows clearly that the 

 plumes were arranged very much as they are in P. lagurus. The 

 hairs, judging from a few that remain on the dorsal surface, were 

 very much finer than in our European species. 



