chamberlin: new spiders of the family aviculariidae. 35 



Lechrictenus lamprus,^ sp. nov. 

 Plate 1, fig. 9, 10; Plate 2, fig. 1. 



Type — M. C. Z. S. 9 . Florida? 



Carapace and sternum shining chestnut; legs similar; the distal 

 articles darkest, in part mahogany or black, the femora paler ventrally. 

 Chelicerae black, the hairs of the oral fringe and that in a transverse 

 band above the rastellmn rufous. Abdomen fuscous. 



Pars ccphalica strongly elevated, highest midway between eyes and 

 fovea thoracica immediately in front of the posterior declivity; ante- 

 rior border elevated, there being a pronounced transverse furrow on a 

 level immediately caudad of eye-area. Fovea thoracica strongly 

 lunate; less than one third the width of the carapace. 



Eye-area between 1.5 and 1.7 times wider than long. Anterior 

 row of eyes strongly procurved; eyes equal or very nearly so. Poste- 

 rior row straight or slightly recurved shorter than the anterior row: 

 the median eyes larger than the lateral ones. 



Sternum distinctly longer than wide. Relatively broader caudally 

 and more strongly narrowed cephalad than, e. g., in Pachylomcrus 

 audouini. A conspicuous transverse furrow tangent to anterior edges 

 of foveolae, the furrow extending nearly half way from median line 

 to margin on each side. Foveolae not far apart. 



Labium broad at base but strongly narrowed and rounded distad. 

 Spinules at distal end in three transverse series, these in the type 8 

 in mmiber (3, 3, 2). 



Spinules on the coxae of the pedipalps in a subtriangular patch 

 with apex distad toward middle of article, none occurring on distal 

 portion. 



Rastellum composed of numerous stout teeth arranged in a trans- 

 verse band across entire width of chelicera above base of claw, but 

 not at all extending proximad along the inner edge as it does, e. g. 

 in species of Pachylomcrus and with no trace of a rounded lobe or 

 process at distal end on inner side of claw. 



Spinules of lateral bands of tibiae, metatarsi, and tarsi of legs I 

 and II dense and short. Metatarsus of leg III dorsally with a band 

 of short spinules across distal end, the dorsal surface elsewhere free of 

 spines but a few on anterior and posterior surface in a single series 

 extending proximad to middle. Tibia III with numerous similar 



' Xdnirpoi, distinct, manifest. 



