Urquhart. — On new Species of Araneidea. 123 



moderately hairy ; basal § of bulb convex, yellowish, fore- 

 third depressed, concave, pointed, reddish colour. 



Abdomen in form, colouration, and pattern resembles female. 



Port Waikato, A.T.U. 



Marpissa arenaria, sp. nov. 



Female. — Ceph. th., long, 2; broad, 1. — Abd., long, 2-8; 

 broad, 1-5. — Legs, 4, 1, 2, 3. 



Cephalothorax light olive-brown, two brown median streaks 

 terminate at black spots, in line with second row of eyes ; 

 margins of pars cephalica fairly clothed with adpressed white 

 hairs, few erect black ; from median indentation two bands of 

 white hairs curve obliquely across pars thoracica to marginal 

 zone, which is furnished with similar hairs ; sides moderately 

 dilated, caput aplanate ; profile line rises rather abruptly 

 from thoracic junction, slight slope across occiput ; clypeus 

 furnished with rather strong white hairs, directed towards each 

 other ; slopes sensibly inwards, height less than radius of a fore- 

 central eye. 



Anterior row of eyes sensibly recurved ; irides pale-yellow 

 hairs ; eyes nearly equidistant, space between a central and 

 lateral nearly equal to diameter of latter ; posterior eyes not on 

 eminences ; eye-area one-fourth broader than long. 



Legs clear brownish straw-colour ; sparse white hairs, few 

 erect black bristles ; legs moderately long and strong, do not 

 differ greatly in length or strength ; genual and tibial joints 

 about equal in length ; curved spines on femora ; tibial and 

 metatarsal spines of 1-2, 3-3, 2-2 ; few spines on 3-4 ; tarsal 

 claws — 1st pair, inner claw, 9 short even teeth, 1 strong termi- 

 nal tooth ; outer claw, 2 moderately stout teeth. 



Palpi resemble legs in colour, sparse white hairs. 



l-'<(lces short, stout, directed somewhat inwards ; straw-colour. 



Maxilla strong, rounded and dilated at extremity ; labium 

 oval, less than one-half length of maxillae ; organs yellowish. 



Sternum oval, yellowish. 



Abdomen elongate-oviform, somewhat depressed above, pro- 

 jects moderately over cephalothorax; rather sparsely clothed 

 with light-yellow and white hairs; light olive-brown, a dark- 

 brown linear-lanceolate mark, enclosing a pale -streak, furnished 

 with white hairs, extends the length of dorsal line; this mark 

 is bordered by a wide band of close white hairs ; lateral margins 

 somewhat clouded with brown ; ventral surface paler than 

 dorsal; spinners moderately long, yellow-brown. Vulva some- 

 what reniform, moderately concave, margins dark - brown, 

 centrally produced on superior side into a long, vermiform 

 process, directed backwards; margins incurved on inferior side. 



I am indebted to R. Glasson, Esq., for this example, which 

 was captured on the sand-hills at Port Waikato. 



