264 Records of the S.A. Museum 



short, almost white, l-'alces yellow, and armed on the inferior ridge of the 

 furrow of each falx with three subcontiguous teeth. Maxillae yellowish, 

 ;irched, a])ices broad, not inclined inwards. Labium concolorous, arched, 

 lather longer than broad, apex rounded. .Sternum dark brown, shining, arched, 

 clli])tical. Abdomen oblong, oval, arched, not overhanging base of cephalo- 

 thorax; smoky-brown. Epigynum a slightly raised plaque with elli])tical 

 lateral depressions, between and at the base of which there is a slightly raised 

 transversely elliptical tubercle. Tvpe. 1. 11540. 



SAITIS NIGRICEPS Keys (L.H.I.) 



SAITIS TAENIATA Keys (\.l.) 



SAITIS INSULANUS sp. nov. (L.H.I.) 



(I'l. .xxxi. tigs. 10,?-106.) 



6 Cephalothorax, 1 v mm. li>ng. 1 -5 mm. broad : abdcjuu-n, 2 mm. long, 

 1 •! mm. broad. 



Cephalothorax obm-ate. reddish-brown, clothed with white scale-like 

 hairs, which latter are clearly distinct when the animal is dry, and only partly 

 visible when submerged in alcohol. Pars cephalica high, sloping genth' for- 

 ward, sides declivous ; clypeus fringed with long white hairs. Pars thoracica 

 sloping towards posterior angle, sides declivous. Front row of eyes slightly 

 recurved, large with lirilliant green reflections; anterior median pair largest: 

 tlie pair constituting the second row minute, and placed much closer to rear 

 eyes (which latter are as large as the anterior laterals) than to those <.if the 

 front row ; all eyes ringed with black, and surrounded by hoary hairs. Legs 

 yellowish, robust, and armed with strong spines ; anterior pair stoutest. 

 Relative lengths, 1, 4, 2, 3. Palpi concolorous. short, hairy: tibia furnished 

 with a small apophysis; genital bull) large, obliquely truncated at base, 

 attenuated a])icalh'. and furnished with a short style. Falces, maxillae, and 

 labium yellow. Sternum elliptical, l)rown, shining, arched, broadest at the 

 middle. Abdomen ovate, hair\-, arched, not overhanging base of cephalo- 

 thorax. yellow with dark brown markings. 



9 In ])oint of coloration and clothing the two sexes are much alike. 

 The cephalothorax of the female is rather narrower than that of the male, 

 and more parallel-sided. The anterior pair of legs are not nearly so robust 

 as those of the male. The abdomen is oblong-ovate, and slightly overhanging 

 base of cephalothorax, and its epigynum is ratlier horse-shoe shaped. 



Examples of both sexes show some little variation in size. Type. I. ll.-^41 



