339 



Number of segments up to 51. 



Length of large specimen 14 mm., width 1.5 mm. 



36. Siphonotus elegans sp. n. 



Java: Tjibodas; a single example. 



Colour (in alcohol), terga pale above and irregularly clowded with 

 purplish-brown, which laterally passes into a conspicuous patch of 

 the same colour; legs, pleurae, anal somite and head testaceous; an- 

 tennae pale purplish. 



Head conical sparsely hairy , with two large eyes ; antennae of normal 

 form , but somewhat short appearing to be about as long as the head. 



Body slender nearly smooth evenly convex above , flat beneath ; the 

 sulcus which separates the posterior from the anterior half of each 

 tergite distinctly crenulate. Pores as in P. formosum. 



Number of somites 38, 



Length about 6 mm., width 5 mm. 



I subjoin the description of the following species of Siphonotus. 



Siphonotus hicksoni sp. n. 



Celebes: 2 examples (S. J. Hickson). 



Colour a uniform reddish brown, with paler head and legs, and 

 fuscous antennae. 



Head long, about as long as the antennae. 



Body very long and slender, smooth and polished; the suture be- 

 tween the halves of the segments crenulate; the penultimate tergite 

 larger than the one that precedes it. 



Legs as in S. formosus. 



Number of segments 90. 



Length about 22 mm., width 1 mm. 



Sub-family Siphonocryptini nov. 



Body shorter and very wide. 



The line of union between the pleurae and the terga obliterated or 

 almost obliterated and situated on the under surface of the body ; the 

 edge of the body formed by the outgrowth of distinct cariniform 

 processes which bear the pores upon their lateral margins; the terga 

 with a distinct median dorsal suture. 



Head and anal valves covered respectively by expansions of the 

 1 st and last terga. 



Legs long and separated by a distinct sternal area. 



