790 



furnished with a large number of long, fine, parallel teeth. 

 Palpi not long, similar in colour, clothing, and armature to 

 legs. Falces yellow, moderately long, coniform, hairy ; fang 

 short and weak. Maxillae long, yellow, arched, moderately 

 hairy, apices truncated, inner angles acuminate, inclining 

 inwards and fringed with dark hairs; heel rounded (fig. 19). 

 Lahium concolorous, long, coniform moderately hairy (fig. 19), 

 Sternum concolorous also, elongate, truncated in front, arched, 

 moderately hairy, apex obtusely acuminate and terminating 

 between fourth pair of coxae. Abdomen ovate, slightly over- 

 hanging base of cephalothorax, strongly arched, pubescent, 

 and, when not rubbed, clothed with numerous white elliptical 

 scales ; the general colour of the superior surface is yellow, with 

 dark markings, but the latter vary in size, form, and 

 distribution in different individuals ; inferior surface yellow, 

 with more or less intense dark markings, the surface pilose, 

 and carrying scales similar to those already described (fig. 20). 

 E pigynum : This organ consists of two circular depressions 

 (fig. 21), but the latter are so densely clothed with hairs and 

 scales that they are exceedingly difficult to locate. Spinnerets 

 yellow, hairy, compactly grouped, uniarticulate, cylindro- 

 conical ; in front of inferior mammilae there is a small, obtuse 

 coliihis. 



//r/^.— Mcorilyanna Native Well, July 28, 29, 30; Flat 

 Rock Hole, Musgrave Ranges, July 30, 1914. The series 

 collected embraces individuals of different ages and different 

 stages of growth, and these display considerable colour 

 variation. 



Family SALTICIDAE. 



Of this family five species were collected, and the majority 

 of these were immature or more or less damaged. Two of the 

 five species are apparently new, and so are herewith described. 

 None call for special comment. 



COSMOPHASIS ( ?) BITAENIATUS, KcyS, 



Sohara. h'lfaenidfa, Kevs, in L. Koch: Die Arach. des Aust., 

 ii., 1882, p. 1365, pi. ex v., "figs. 8, Sa to 8(L 9. 



Hab. — Flat Rock Hole, Musgrave Ranges, July, 1914. 

 An immature male of what may in all probability prove to 

 iDe the above species. 



Pystira orbiculata, L. Koch. 



Tlnsari'is nrJ)icAil((tus, L. Koch: Die Arach. des Aiist., ii., 

 1881, p. 1285, pi. ex., figs. 1, la, 16, 2, 2a to 2r. 



Hab. — Flat Rock Hole, Musgrave Ranges, July, 1914. 

 Two specimens, both immature. 



