335 



present or absent. Antennae composed of 7 segments. Mouth more 

 or less suctorial, the jaws partially or almost wholly degenerate, 

 labral region narrowed. 



Segments with free , coalesced or membranous pleurae. Pedal laminae 

 always free. Repugnatorial pores present and beginning on the 5 th 

 segment. 



Legs articulated to the pedal laminae , composed of 6 segments , upon 

 the basal of which a coxal gland (?) opens. 



The first six segments furnished with 8 pairs of legs (? i. e. the 

 1st and 2 nd with a pair each, the 3 rd apodous, the i^, 5 th and 

 6 th with two pairs each). 



The last two segments apodous. The copulatory feet of the tf re- 

 latively simple and external. 



Family SIPHONOPHORIDAE. 



Newport, Tr. Linn. Soc. XIX, p. 278 (1845). 



Read piriform, subglobular above, produced below into a longer or 

 shorter beak. Eyes absent. 



Antennae large, clavate, the 6 th segment the thickest and longest, 

 the 7 th minute ; situated completely at the sides of the head , with a 

 wide frontal area between them, 



Mandibles atrophied (?); Gnathochilarium without traces of its 

 component pieces, composed of a single triangular sclerite. 



Segments composed of a vaulted tergite which bears the pores, and 

 a distinct free pleura on each side, densely hairy; the posterior pore- 

 bearing half of the tergite elevated. The first tergite larger than the 

 2na, closely embracing the sides of the head, its pleurae obsolete. 



Siphonorhinus nov. 



Head furnished with a very short rostrum. The lateral portions 

 of the tergites produced into tuberculiform keels which bear the pores. 

 Type S. pallipes nov. 



This genus also contains in all probability S. picteti of Humbert 

 (Mem. Soc. Phys. Genève XVIII, p. 59, pi. V, fig. 26) from Ceylon. 



31. Siphonorhinus pallipes, sp. n. PI. XX, fig. 3 — 3a. 

 Java: Buitenzorg; several specimens (cf, Q). 

 Colour greyish-black above, often with a dark median dorsal line 



