PAL/EONTOGRAPHICAL SOCIETY, 1913. 



Spencee, Pai.eozoic Asterozoa. 



Plate I. 



A/A./^ 



/.rji. 



A4-^_ MAP^ 7 



Jd. A. 



A. H. Searle, del. 



Adlard and Suiif Impr. 



