ARACHNIDA FEOM NORTHERN QUEENSLAND RAINBOW. 53 



Argyrodes FLAVIPES, sjt. nor. 



(Plate XV., figs. 29 and 30.) 



J Ceplialotliorax, 0.9 mm. long, 0.7 mm. broad ; abdomen, 

 1.5 mm. long, 1.2 mm broad. 



Cepiialothorax. — Ovate, dark-brown, smooth, arched, rurs 

 cephalica narrow, ascending ; ocidar area broader than long ; 

 clypeas excavated, upper portion projecting further than the 

 lower. Pars thoracica furnished with a few fine ciliate hairs ; 

 lateral grooves present, but very indistinct; marginal band 

 narrow. Eyes. — Normal. Legs. — Long, tapering, straw- 

 yellow, clothed with fine j'ellow hairs, and armed with short 

 weak spines ; each femur and tibia, except of leg iii., 

 has a dark-brown annulatiou at apex ; all metatarsi 

 similarly annulated at apex. Relative lengths : 1, 2, 4, 3. 

 Fidpi. — Short, straw-yellow, with exception of genital bulb, 

 which latter is dark-brown, short, broad, and clothed with 

 long hairs, t'alees. — Short, concolorous with cephalothorax. 

 Maxillte a)ul Labiiiin. — Normal, concolorous also. Steruuni. — 

 Normal ; also concolorous. Abdomen. — Elongate, triangular, 

 arched, slightly overhanging base of cephalothorax ; near the 

 front there ai'e two large humeral humps ; apex accuniinate 

 (Fig. 29) ; upper surface dark-brown, streaked with yellow ; 

 sides and inferior surface concolorous. 



$ Cephalothorax 1.1 mm. long, 0.9 mm. broad ; abdomen, 

 2.5 mm. long, 2.5 mm. broad. 



Except that the 9 i^ larger and darker than the (J, and 

 that the abdomen (Fig. 30) is broadly triangular, and as long 

 as it is broad, both sexes are remarkably similar in appearance. 



Hah. — Gordonvale, jungle, May and June. 



Genus Theridion, Walck. 



Theridion pyramidale, L. Koch. 



Theridiiini pyraniidode, L. Koch, Verb. K.K. Zool.-bot. Ges. 

 Wien, 1867, p. 190; Die Arach. Austr., i., 1872, p. 266, 

 pi. xxii., fig. 5. 



