512 MR. n. I. pococK ON thf. arachnids collected [June 21, 



subequal in size ; the anterior eyes a diameter apart, the posterior 

 half a diameter. Mandible with 4 teeth in front and 3 behind. 



Abdomen widely rounded in fi'ont, narrowly ovate behind, longer 

 than bi'oad, ^nthout distinct shoulder-points, but prominent in 

 this region. V^dva formed on the same general plan as in the 

 preceding species, though differing in structural details. 



Measurements in miUi..:etres. — Total length 11*5 : length of 

 carapace 5, of abdomen 8 ; width 7. 



Loe. Taru. A single adult female. 



Also allied to A. nauticvs, but differing in the form of the vulva 

 and in colour. 



Genus Cyrtophoba Simon. 



Ctrtophora citricola (Forsk.). 



Aranea citricola, Forsk. Descr. Anim. p. 86 (1775) (and all recent 

 authors). 

 Loc. Taru. 

 Common throughout the tropics of the Eastern hemisphere. 



Genus Argiope Aud. 



ARGIOPE NIGROTITTATA Thor. 



Anjiope nic/rovittata, Thor. (Efv. K.Yet.-Akad. Forh. 1860, p. 300 ; 

 Eug. Eesa, Arachn. p. 31 (= candata Blackw., and suavissima 

 Gerst.). 



Loe. Samburu, Taru. 



Argiope lobata (Pallas). 



Aranea lobata, Pallas, Spicil. Zool. i. pt. 9, p. 46, pi. iii. 

 figs. 14-15 (1772). 



Loc. Samburu. A single immature female referable either to 

 this species or to the closely allied A. clathrata C. Koch. 



Argiope atjhocincta, sp. n. (Plate XLI. figs. 6, 6 a, and 

 Plate XLII. fig. 11.) 



Colour. Carapace ochre-yellow, with radially arranged fuscous 

 spots, covered ^nth silver- white hairs; mandibles and palpi flavous; 

 maxillae and labium flavous, black at the base ; sternum \^ith a 

 broad median flavous band with radiating yellow spots, black at 

 the sides ; legs j-ellow, strongly ringed with black ; coxse with two 

 black spots, femora with three broad black bands, patelhe with a 

 dark distal band, tibise with a basal, a median, and an apical black 

 band, protarsi also with three bands, tarsi dark, basally flavous. 

 Abdomen ferruginous along the anterior border, with three trans- 

 verse silvery bands with straight anterior and sinuous posterior 

 border — the anterior just behind the shoulder-points, the median 

 in front of the middle of the upper surface, the posterior behind 

 the middle, the bands scarcely extend on to the sides, the median 

 and posterior ending in a slight enlargement ; the median and 

 posterior are defined in front by a narrow dai'k border and behind 



