chamberlin: myriopoda of the Australian region. •>•"> 



TUOBA, ^'< v n. DOV. 



Labium of one piece, I><>\\<'<1 I'niivcxlv :is in Gonibregmatus but the teeth 



coarser ami shorter, BOme of the median ones d.-uker and more strongly chi- 

 tinons than the others. First maxillae with outer branch OT palpus distinct, 

 and well developed, Inarticulate, with no lappets; coxae fused; inner branches 

 of good size, not set off by suture. Coxae of second maxillae united, claws 



smooth. Antennae filiform. Prosternum with chitinous lines; claws short, not 



extending beyond anterior margin of head. No frontal suture. Prebasal 

 plate not exposed. Dorsal plates bisulcate. No suprascutella. Last ven- 

 tral plate wide. Coxopleural pores small, of moderate Dumber. Anal 

 legs composed <>f six joints beyond coxoplcurae, armed with a claw. 



Genotype. — T. curticeps, sp. nov. 



88. Tuoba curticeps, sp. nov. 



Type.— M. C, Z. 2,166. Paratype .— M. C. Z. 2,167. Solomons: 

 Pamua, Wainoni Bay (W. M. Mann). 



Color yellowish to light ferruginous. 



Cephalic plate short, as wide as long, sides only weakly curved; slightly 

 narrower caudally than anteriorly; anterior margin very obtusely angular, 

 each side straight; caudal margin more slightly angulate at middle. 



Teeth of labrum coarser and correspondingly fewer than in other gonibreg- 

 matids; five teeth of median region dark, more strongly chitinized than the 

 lateral ones. 



Basal plate relatively short, posteriorly much exceeding the cephalic plate 

 in width. 



Chitinous lines of prosternum fine. 



Claws of prehensors when closed nearly on a level with anterior margin of 

 head. Each claw armed at base with a minute denticle, the other joints and 

 the prosternum unarmed. 



Spiracles all circular, small, the first larger than the second and the latter 

 a little larger than the third. 



Dorsal plates deeply bisulcate. 



Ventral plates with a median longitudinal impression. Ventral pores in a 

 band across caudal border. Last ventral plate very wide, strongly narrowed 

 caudad, the caudal margin straight. 



Anal legs of male moderately crassate proximally but tarsal joints slender. 



Pairs of legs, in male forty-seven, in female forty-nine. 



Length, 21 mm. 



