Mr. Black wall's Descriptions of new Species of Spiders. 669 



Length of the female -^^ths of an inch ; lengtli of cephalo-thorax -3% ; breadth 

 ^ ; breadth of abdomen ^ ; length of an anterioi* leg f ; length of a leg 

 of the third pair -^. 



Anterior part of the cephalo-thorax compressed ; sides marked with sliglit 

 furrows diverging from the upper part to the margins ; there is a large 

 indentation in the medial line of the posterior region ; colour pale brown, 

 with Ijlack margins, a few transverse, black streaks on the sides, and a 

 band of tlie same hue extending along the middle, and increasing in 

 breadth as it approaches the eyes, where it comprises several pale brown 

 spots. Eyes disposed in two transverse rows on the anterior part of the 

 cephalo-thorax ; the four intermediate ones form a square, and those of 

 each lateral pair, which are nearly contiguous, together with the eyes of 

 the anterior intermediate pair, are seated on small eminences. Mandi- 

 bles powerful, conical, convex in front, armed with two rows of teeth on 

 the inner surface, and inclined towards the sternum ; their colour is very 

 dark brown, tinged with red. Maxillae straight, enlarged and rounded 

 at the extremity, and dark reddish brown. Lip semicircular and brownish 

 black, having a faint tinge of red at the tip, which is prominent. Ster- 

 num heart-shaped, with prominences on the margins, opposite to the 

 insertion of the legs ; its colour is brownish black. Legs and palpi long; 

 their colour is yellowish brown, with black spots and rings ; the tarsi are 

 reddish. First pair of legs the longest, then the second, third pair the 

 shortest. Abdomen oviform, thickly covered with hairs, convex above, 

 projecting over the base of the cephalo-thorax ; it is mottled with black 

 and brown, having an obscure, yellowish, curved line on each side of the 

 anterior part, and a broad, dentated, yellow band extending along the 

 middle of the upper part ; this band, which comprises a fine, longitudinal, 

 branched line of a darker hue, is narrowest at its anterior extremity, 

 near which a short, yellow line crosses it at right angles ; on each side of 

 the middle of tiie under part is a longitudinal, yellow line. Plates of the 

 spiracles pale brown. 



The male is smaller than the female, but resembles her in colour, and 

 in the relative length of his legs. Third and fourth joints of the palpi 

 short ; the latter is the stronger, and has a pointed apophysis at the extre- 



4 s 2 



