some ohbcure British Spiders. 75 



Length of male 1^ line. 



Cephalothorax, legs, and paJpi clear or ange-i/ellow. 

 Abdomen hearing a dorsal longitudinal series of black V- 

 shaped bars {the anterior ones broad^ the posterior ones fine and 

 moi-e distinct), standing out conspicuously upon a dull white 

 ground, the latter speckled with cretaceous spots. 



A white, icavy, longitudinal line runs along the lateral area. 



Open the whole dorsal area is dull white, the bars being 

 barely indicated. Occasionally the prevailing tint is black, 

 when the white Y-shaped intervals become more conspicuous. 



Sternum dark brown, convex, its surface cover edwith scattered 

 granulations, each bearing an erect black hair. 



Caput rather prominent, owing to the concavity of the 

 clypeus {vide PI. II. fig. I. 4). 



Eyes conspicuously situated upon black spots. Those of 

 the posterior row equal and equidistant (though they do not 

 at first sight appear so). Anterior centrals much smaller than 

 the laterals, separated by less than half the diameter of one of 

 them. 



Clypeus viewed in profile very concave, higher than the 

 ividth of the ocular area, bearing a single upcurved bristle 

 immediately beneath the central anterior eyes. 



Falces attenuated at the apex and very slightly divergent 

 in the male sex. The outer surface is transversely furrowed 

 with a row of deep striations in both sexes. 



The inner margin has three small teeth. 



Legs slender; femora of the first pair bearing a single stout 

 spine on the upperside, the others bearing no spines. Genual 

 joints each with one spine. Tibiae of all four pairs with two 

 erect spines on the upperside, those of the first two pairs 

 having in addition two lateral spines near the apex. M ta- 

 tarsi of all four pairs bearing one fine bristle near tlie base on 

 the upperside. 



Palp)us oj Male. — Humeral joint having on the inner side 

 near the base a small spine-bearing tubercle, probably working 

 upon the transverse stria? on the outside of the falces. 



Cubital joint as broad as long, convex above, bearing a 

 single curving bristle near its apex. Radial joint broader in 

 front, bearing a group of fine hairs, having amongst them a 

 single, long, curving bristle. Digital joint with the palpal 

 organs large, orange-red, and rather elongate, exhibiting on 

 the outer side near the base a falcijorm process curving upfront 

 beneath ; its apex is bifid, the anterior branch long, strongly 

 kneed, and aculeate at the apex (t*l. II. fig. I. 1, A, b). 



The lateral stylum curves up from beneath, alongside of the 

 Jalcijorm process, taking a somewhat iS-shapcd form, termina- 



