568 



SALTICUS FORMICARIUS. 



Attus pormicarius, Walck., Blackw., I.e., p. 64, pi. iii., fig. 36. 

 Salticus formioarius, Cambr., Trans. Linn. Soc. xxviii., p. 435, 

 and Ann. and Mag. N. H. 54, vol. 16, 

 p. 259. 



Length of the male (to the base of the falees) rather over 2£ 

 lines ; to the extremity of the falees 3 J. Female 3 lines to the 

 base of falees. 



Cephalo-thorax (of the male) yellowish red-brown; caput 

 rather elevated, flat at the top, black, thinly clothed with grey- 

 ish-yellow hairs, and strongly constricted on each side below the 

 occiput. 



Legs moderately long, slender, 4.1.2.3, armed with long strong 

 spines beneath the tibife and metatarsi ; colour yellow, tinged 

 with reddish brown ; the fore half of the femora of the first pair 

 blackish, with violet metallic reflections, and the metatarsi of 

 the same pair are also blackish ; the genua of the fourth pair are 

 marked with blackish rod-brown, and the tibiae of the third pair 

 have a longitudinal, dark, black-brown, slightly oblique line on 

 the outer side. Falees as long as the cephalo-thorax, of a slightly 

 curved form, projected horizontally, flat, sharp edged, and 

 regulosely striated above in a transverse direction, of a dark 

 reddish brown colour, with metallic reflections, and armed with 

 strong teeth on their inner edge. Fang long, strong, with a 

 strong prominence on its inner side. 



Palpi short, dark yellow-brown ; radial stronger than the cubital 

 joint, and a little produced at its extremity on the outer side . 

 digital joint rather large, oblong-oval, and flattened ; palpal 

 organs neither prominent nor complex. 



Abdomon oblong-oval ; fore half yellow-brown, reddish at the 

 anterior extremity, and with a large oblique whitish yellow band 

 on each side near the middle ; this band is edged both before 

 and behind with a shorter and somewhat diffused blackish patch, 

 and is continued along the under side to the spinners. The hinde 



