42 Mr. A. G. Butler on a Collection of 



P. Lucasii (Sfrfiasus Lucasn, Vinson, Aran, des iles de la 

 Reum, Maur. et Madag. pi. xiii. fig. 3) ; but the differences in 

 the coloration of the abdomen and legs are so well marked, 

 that it seems probable that it is distinct. 



3. Attus Bewsheri, n. sp. (PI. I. fig. 2.) 



<$ . Cephalothorax shining blackish piceous ; a transverse 

 subcruciform marking just beyond the middle; three unequal 

 oblique white lines (only visible when the spider is dry) just 

 behind the posterior lateral pairs of eyes ; abdomen brassy 

 brown, crossed in the centre and towards the posterior extre- 

 mity by two slightly arched white lines interrupted in the 

 middle ; two white spots close to the posterior margin ; legs 

 piceous, with the terminal tarsal joints fulvous ; metatarsi of 

 posterior pair of legs indistinctly banded with fulvous ; palpi 

 piceous, clothed with silky whitish hairs, terminal joint ful- 

 vous below ; falces piceous ; pectoral shield and coxae fulvous ; 

 venter grey. 



Cephalothorax square to the middle, thence slightly and 

 gradually contracted, and with its posterior margin convex ; 

 superior surface smooth, its highest point being in the centre, 

 which is bounded by the posterior lateral oculiferous tubercles ; 

 on each side of this central ridge the surface is oblique ; 

 abdomen subcylindrical, truncated at each end, slightly wider 

 in front than behind ; relative size of eyes as follows — ante- 

 rior central, anterior lateral, posterior lateral, intermediate 

 lateral, the a c* pair being about six times the size of the 

 a I pair, the i I being situated at about the centre of the 

 interval between the two other lateral pairs ; relative length 

 of legs 1, 2, 4, 3; length of cephalothorax and abdomen 

 6 millims. 



4. Attus Johannce, n. sp. (PI. I. fig. 3.) 



d $ . Cephalothorax blackish piceous, dull, crossed behind 

 the middle by a bisinuate fulvous band (obscured by white 

 pile when dry) ; the lateral margins, borders of anterior oculi- 

 ferous tubercles, and a spot on the caput white; abdomen 

 blackish, with the margins and an ornamental longitudinal 

 sceptre-like central stripe white ; legs and palpi piceous, banded 

 with white ; under surface of terminal joint of palpi, coxal 

 joints of legs, and pectoral shield fulvous ; venter whitish, with 

 central and lateral longitudinal blackish lines. 



Cephalothorax inverted-bell-shaped, its superior surface 



* For brevity I should propose to indicate these by letters thus — a c, 

 a /, p I, i I. 



