from the Lower Amazons d:c. 97 



Females. 



A. Carapace dark fulvous brown, with broad 



lateral margin white. 



1. Size larger, 35 mm. Central tongue of 



vulva with median groove, rounded ante- 

 riorly, obtuseh' pointed behind ; in profile 

 not abruptly inclined posteriorly L. brunneiis, sp. n. 



2. Size smaller, 27 mm. Central tongue of 



vulva with median carina, squarely trun- 

 cate anteriorly, sharply pointed behind ; in 

 profile abruptly inclined posteriorly L, bogotensis, Keys. 



B. Carapace pale straw-yellow (or dull orange), 



with a broad lateral brown band on each side 



of a broad central pale band. 5 juv L. Hewitsoni, sp. n. 



Lycoctenus brunneus, .sp. n., (J $ . 



Sab. Forest, Santarem. 



Type in coll. Brit. Mus. l^Tat. Hist. London. 



2 - Length (including mandibles) 32 ram., ^ 20 mm. 



Colour. Carapace, mandibles, pedipalps, legs, and sternum 

 dull red-brown, clothed with short brown pubescence. Abdo- 

 men brown, clothed with short brown pubescence, with a 

 double dorsal series of two distinct small pale spots, and two 

 much larger ones just above the spinners. Anterior shoulders 

 of abdomen black. Sides marked with a few pale spots. 

 Underside with a broad, central, pale wedge-shaped band, 

 indistinct; no stigmata near vulva. Legs mottled verj 

 indistinctly with dark brown. 



(J . Similar, except carapace with broad grey band on 

 each side. 



Carapace. Central stria distinct. Cephalic area not raised 

 at all ; profile line of thoracic and cephalic regions hori- 

 zontal ; abruptly and precipitously inclined at the base. 



Eyes. Laterals not on a distinct tubercle ; posteriors 

 prominent, diameter twice that of anteriors, the latter distant 

 more than one diameter from the former. Four centrals in a 

 quadrangle a little longer than broad. Posteriors slightly 

 larger. 



Legs. Femora i., ii., iii., and iv. spinose above. Tibiae i. 

 and ii. with four pairs. Protarsi i. and ii. with three pairs 

 of spines beneath, and a single apical central spine beneath ; 

 iii. and iv. with two apical spines beneath. Tibiag and pro- 

 tarsi iii. and iv. with numerous spines above and below. 



Tarsal dates 3, superiors armed with 5 or 6 long broad 

 denticulcs. No claw-tuft. 



A thick scopula beneath protarsi and tarsi i. and ii., be- 

 neath tarsus and apical half of protarsus iii., and beneath tarsus 



Ann. dc Mag. N. Hist. Ser. 6. Vol. xix. 7 



