1901.] REV. O. PICKARD-CAMBRIDGE ON EXOTIC SPIBEES. 15 



The legs have a longitudinal red-brown streak on the outer 

 side of the femora of the first pair, and a blackish one on 

 the inner side of those of the fourth pair, a white line also runs 

 along the side of the tibiae and metatarsi ; the tarsi of the first 

 and second pairs are white ; the general colour of the legs is dull 

 orange-yellow. 



The ahdomen is joined to the thorax by a distinct jointed pedicle ; 

 it is of an oval form, broadest behind and pointed in front, and 

 without any lateral transverse constriction. It is of a dull 

 yellowish hue tinged with reddish ; on either side towards the hinder 

 extremity is a large black spot ; along the middle of the uppei-side 

 on the hinder half are tvs-o converging rows of small white spots, 

 with some other white ones towards the fore extremity ; on each 

 side also of the fore half are two broadish, but not very strongly 

 defined, oblique brownish stripes, the hinder ones meeting at an 

 angle in the middle and continued in the median line to the fore 

 end. The genital aperture is Avell marked and of a very chai'ac- 

 teristic form. 



Hah. Singapore. Sent to Mr. Shelf ord by Mr. H. N. Ridley, 

 Director of the Botanic Gardens, Singapore. 



The type of the genus, A. forticeps Cambi-. (Ceylon), has two 

 similar spots on the abdomen. 



This Spider was found in company with the ant (Ecophylhi 

 smarar/dina, the habits of which have been described by Mr. Ridley 

 ( Journ. Asiat. Soc. Straits Branch, 1890, No. 42, p. 345). 



Fam. Salticid-e. . 

 Grenus Salticvs Latr. (sensu restricto). 



Salticus attenuatus, sp. n. (Plate V. figs. 6-60.) 



Female (immature), length (including falces) 3g lines = 7 mm. 



Geplicdothora.v oblong, narrowing gradually to the posterior end, 

 which is truncate. Caput flat, rather longer than the thorax and 

 rather longer than broad, divided from the thorax by a deep inden- 

 tation or constriction. Colour deep black-brown on the thorax ; 

 caput black ; in the constriction are three short lines or j^atches of 

 white hairs, one on each side and one in the middle. 



Eyes normal, ocular area longer than broad. 



Legs rather short, fui'nished with short hairs, and a few fine 

 spines in pairs beneath the tibiae of the first and second paii's : 

 these are of a pale yellow colour ; the outer side of the tibi£e, meta- 

 tarsi, and tarsi of the first pair, and of the tibia? and metatarsi of the 

 second, mai'ked with a longitudinal black stripe; the coxae, femora, 

 tibiae, and base of the metatarsi of the third pair black, the rest 

 pale yellow ; the fourth pair have the coxte pale yellow, with an 

 exterior longitudinal black line on the outer side, and the femora 

 and tibiae black, the metatarsi and tarsi being yellow. 



Pcdpi yellowish ; radial joint blackish : digital joint large, oval, 

 flattish and tumid. 



