CHAMBERLIX: MYRIOPODA OF THE AUSTRALIAN REGION. 33 



AzYGETHUS, gen. no^■. 



Differing from the known genera of Gonibregmatidae in having the coxae 

 of tlie first maxillae wholh* discrete; both branches set oiT by sutures; lappets 

 present (subcaudal). Co.xae of second maxillae united at the middle; claw 

 of palpus pectinate. Labrum rather long from side to side, bulging caudad 

 evenly convexly at middle, densely finely toothed or pectinate throughout 

 its width. Antennae short, strongly flattened, narrowing distad. A single 

 row of suprascuteUa, none anteriorly. No ventral pores. Last coxae normally 

 not at all enlarged, without pores. A small spiracle present on this segment. 

 Anal legs seven-jointed, without claws. 



Genotype. — Azygrthus atopus, sp. nov. 



83. Azygethus atopus, sp. nov. 



Type.— M. C. Z. 1,915. Paratype.— M. C. Z. 1,916. Fijis: 

 Levuka (W. M. ISIann). 



In general color fulvous, a geminate dark stripe showing along the dorsum. 

 Head and antennae hght fen-uginous. 



Head short and broad, the anterior portion triangular, the apical angle 

 being a little greater than a right angle. 



Prehensors covered by cephahc plate excepting a httle at base. 



No prebasal plate. 



Basal plate very wide, of equal width anteriorly and posteriorly, three and a 

 third times wider than median length. 



Prehensors and prosternum short, wholly unarmed, no cliitinous Unes. 



Dorsal plates smooth, not distinctly sulcate. 



Spiracles large, subelUptic or oblong, obUquely placed, the last one abruptly 

 smaller and subcircular. 



A single row of suprascuteUa excepting in anterior region and last segment. 



Last ventral plate large, unmodified, trapeziform or somewhat pentagonal, 

 the anterior margin forming a low angle at middle. 



No anal pores. 



Pairs of legs, seventy-one. 



Length, 51 mm. 



Gonibregmatidae. 

 84. G0NIBREGM.A.TUS PLURiMiPEs, sp. nov. 



Type.— M. C. Z. 1,988. Fijis: Lomati (W. M. Mann). 



Color, fulvous. 



Antennae proximally rather broad, flattened, gradually narrowing distad 

 to middle, beyond which nearly uniform and cylindrical. 



