BY A. T. UEQUHAET. 127 



and tarsi spotted ; hairs white and yellow, fine, erect, black, 

 sparse ; about 6 black spines project from femora ; tibial 

 joints of first and second legs have 2, 2, 2 beneath ; metatarsi 

 2 ; spine armature of hind pairs more numerous and irregular. 



Palpi dull gamboge colour, marked with olive -green and 

 lake spots or broken annuli ; hairs whitish, sparse ; black, 

 bristle-like spines on all joints ; pars humeralis of even width ; 

 cubital joint sub-campanulate ; radial shorter and stouter 

 than digital. 



Abdomen oviform ; hairs white, tolerably thick, erect, black, 

 sparse ; gamboge colour, brownish tone obtains on posterior 

 incline ; sparingly spotted with reddish dots ; medial figure 

 broad, gradually dilated from base, abruptly truncated, uni- 

 crenate at termination of second third ; encroaches into 

 second half of dorsum ; of a soft fuscous black, laterally 

 bordered by a dense, narrow fringe of whitish-yellow hairs ; 

 indications of brownish, longitudinal streaks on hind slope ; 

 lateral margins exhibit two dusky longitudinal stripes ; 

 ventral region bounded by brown dots ; spinners brown-pink. 

 Vulva normal shade, represents a simple longitudinal eleva- 

 tion, bounded below the genital aperture by a moderately 

 developed, transverse ridge. 



Single example. 



Fam.— ATTIDJi]. 



Gen. — Plexippus, C. Koch. 



Plexippus valiclus, sp. nov. 



Mas. — Ceph. th., long, 5; broad, 4; height, 2-2. Abd., 

 long, 45 ; broad, 4. Legs, 1, 4, 2, 3=13, 11-4, 11, 10'8 mm. 



Cejphalotliorax lake-brown, densely suffused with black ; 

 hairs sparse, black, orange-red, and white, two latter fine, 

 not very perceptible ; iredics orange ; clypeus fringe yellowishl 

 sparse ; rugulose ; pars cephalica plane, limited by a toler- 

 ably deep transverse indentation, sides rather abrupt ; depth 

 of clypeus about equal to interval separating anterior centre 

 eyes ; pars thoracica moderately dilated, one-third longer than 

 cephalic part. 



Anterior row of eyes moderately recurved, laterals fully 

 one-third size of centrals, removed from them by an interval 

 scarcely equalling their own diameter ; median pair about 

 half that distance apart ; eyes of second row visibly closer to 

 fore laterals ; dorsal eyes rather smaller than laterals, 

 equidistant from a row shorter than cephalothorax at that 

 place, square of ocular area one-third wider than long. 



Falces blackish-lake ; transversely rugose ; vertical, flatly 

 convex, of somewhat even breadth, divided by a rather wide 



