220 Mr. R. I. Pocock on new Geophilidge 



AnfenncB slender, nearly parallel- sided, the segments a 

 little narrowed at the base ; the apical segment ovate, nearly 

 twice as long as the preceding one. 



Prehasal plate invisible; hasal plate large, wide, but not 

 four times as wide as long, its sides distinctly converging, as 

 wide posteriorly as the first tergite and wider than tlie head. 



Maxillary coxce long, convex, narrowed posteriorly, 

 chitinous lines distinct and long, the anterior margin straight 

 and not toothed ; pleuroi large ; feet stout, short, when closed 

 not overlapping the head in front, posteriorly overlapping it 

 at the sides, all the segments unarmed. 



Tergites bisulcate ; prescuta long and about as wide as the 

 tergites. 



Pleural prescuta large, much larger than the tracheal 

 sclerites, which are in contact with the tergites. 



Sternites mesially impressed, without distinct porous area. 



Anal somite. — Tergite wider than long, much narrowed 

 posteriorly, not covering the pleurae ; 'pleurm moderately 

 large, entirely smooth ; sternite very wide, twice as wide as 

 long, its sides strongly converging posteriorly ; prosternal 

 plates distinct ; legs short, about as long as the preceding 

 pair, composed of six segments and armed with a claw ; in 

 the male very much thicker than in the female. Anal pores 

 indistinct. 



Number of pairs of legs 43. 



Length 18 millim. 



Three specimens (2 J* and 1 ? ) from Inner Double Bay, 

 Port Jackson, Australia, collected by ]Mr. J. Brazier. 



This species is from the same locality as G. concolor, but 

 differs from it in having a much smaller number of legs, in 

 having short, unarmed maxillipedes, smooth pleura:-, &c. 



Geophilus (?) laticeps, sp. n. (PI. XII. figs. 6, 6 a.) 



Colour pale testaceous throughout. 



Body wide and flat, a little narrowed posteriorly, but more 

 narrowed anteriorly. 



Head about as wide as long, convex, with lightly rounded 

 sides, a little narrower anteriorly. 



Antenme about twice the length of the head, thick, very 

 slightly incrassate, the segments a little narrowed at the 

 base, in the distal half of the appendage a little wider than 

 long, the apical segment large, ovate, as long as the two that 

 precede it 



Prehasal plate invisible ; ha.^al plait wide, about four times 



