116 On new Species of New Zealand My riopoda. 



and longer than the 4th and 5th, the 7th very small. Top of 

 the head pentagonal ; face with a few scattered hairs, smooth. 

 Segments smooth, the sides of each produced into a strong- 

 keel, which extends backward on each side in an acute curved 

 angle. Prseanal segment terminating in a blunt point, with 

 scattered white hairs; the inferior semicircular, slightly toothed. 

 Dirty white, with a more or less distinct brown doi'sal stripe ; 

 under surface white. Length "4 inch. 

 hoc. Dunedin. 



Polydesmus [Oxyurus] WortMngtoni ^ s^.noY. 



Antennse tomeutose, 7-jointed ; the 2nd joint much longer 

 than the 3rd or 4th, which are subequal. Segments 18 or 19, 

 the same as in the last ; but the angles on each side spring more 

 sudijenly from the posterior margin. Prseanal plates as in the 

 last. Dark reddish brown. Length '65 inch. 



Loc. Queenstown. 



Polydesmus {Sfrongyhsoma) macrocephalus, sp. nov. 



Antennae 7-jointed, all the joints finely pubescent ; 4th and 

 5th the shortest. First segment smaller than the head ; lateral 

 margins rounded. Segments smooth, very slightly keeled on 

 each side. Prseanal segment terminating in a blunt point 

 without any hairs ; the inferior semicircular with a longitu- 

 dinal keel. White with pale brown spots and vermiculations. 

 Length '6 inch. ^ 



Loc. Dunedin. 



Oraspedoso7na trisetosum, sp. nov. 



Antennae 7-jointed, reaching back to the 7th segment ; 

 first and last joints short, the 3rd longest. Eye-patch pyri- 

 form, with the eyes in four rows. Segments 32, finely granu- 

 lated on the back, and with a depressed longitudinal line down 

 the centre ; the lateral margins straight ; each segment with 

 three long bristles on each side, springing from tubercles, of 

 which the lowest is the largest. Antennaj and legs with short 

 hairs. Head yellowish, with a dark band between the an- 

 tennae ; eyes and antennae dark brown ; segments blackish 

 brown, each with oblique bands of olive before and behind the 

 setiferous papillte ; legs pale yellow, marked with dark 

 brown on the last two ov three joints. Length 1 inch. 



Loc. Dunedin. 



Spharotkertmn leiosonium, sp. nov. 

 Head sparingly, coarsely, irregularly punctured, with a 



