PAL/EONTOGRAPHICAL SOCI ETY. ! 910. 



Poeock, British Carboniferous Arachnida. 



4a. x 2/2 



*£■ 



I Iff 



2a. x 4. 



2. x3 



1. nat.size . 



PI. I. 



■-Sv 



4d. x 4 



4c. x3 

 G.M.Woodwapd del.et libh. 



4b. x2/2 



West, Newman imp. 



