7/ 



Hd\{.. A GUIDE 



TO THE 



SHELL AND STAKFISH 



GALLERIES^ 



(MOLLUSCA, POLYZOA, BEACHIOPODA, TUNICATA, 

 ECHINODEEMA, AND WOPtMS), 



'depaetment of zoology, 



^BRITISH MUSEUM (NATURAL HIS 



CEOMWELL EOAD, LONDON, 

 FIFTH EDITION. 



WITR NUMEROUS ILLUSTRATIONS 



LONDON: 



PEINTED BY OEDEE OF THE TEUSTEES 

 OF THE BEITISH MUSEUM. 



1908. 

 (All rights reserved.) 



