252 bulletin: museum of comparative zoology. 



Aranea compsa/ sp. nov. 

 Plate 19, fig. 6. 



Carapace black excepting the anterior region of the head about the 

 eye-area which is abruptly lighter, pale brown; the pale color extend- 

 ing farther caudad on lower side of head clothed with long grey or 

 white hair. Sternum black with a bright yellow median longitudinal 

 stripe which is interrupted across its anterior portion. Labium and 

 endites black, pale across tips. Legs with femora pale yellow-brown 

 proximally, the distal half blackish; patellae black; tibiae black 

 excepting for a light annulus at the middle; metatarsi and tarsi pale 

 with no distinct black annuli or metatarsus black at extreme distal 

 end. Abdomen brownish grey; venter, anterior face and a broad 

 band reaching back across each anterolateral corner and along side 

 black. A series of yellow dots and marks on each side between black 

 of venter and that of side ; dorsum covered with a broad folium-mark 

 a little darker than adjacent parts, the folium embracing a narrow 

 median stripe limited by whitish marks and extending over entire 

 length and marked with light colored paired transverse lines each side 

 of this middle stripe, especially caudad. 



Posterior row of eyes decidedly recurved; median eyes three fourths 

 their diameter apart and two and a half or a little more their diameter 

 from the laterals. Lateral eyes on each side contiguous, moderately 

 elevated. Anterior row of eyes clearly recurved; median eyes a 

 little smaller than the posterior medians, more than their diameter 

 apart (once and a half), nearly two and a half times their diameter 

 from the laterals. Area of median eyes nearly equal in length and 

 breadth or slightly wider; wider in front than behind in ratio 11 : 10. 



Thorax of typical form, smooth, without processes; head narrow; 

 groove transverse, not profound. 



Labium with distal end triangular. 



Sternum about six sevenths as wide as long, constricted to a narrow, 

 distally rounded tongue behind. 



Upper margin of furrow of chelicera with four teeth ; lower margin 

 with three. 



Legs strongly aculeate, the spines long and slender, all joints ex- 

 cepting the tarsi being well armed. 



■ KoiJ.4'CK, pretty. 



