®)' The Same oyfuthor 



A MANUAL OF THE 



COMMON INVERTEBRATE 



ANIMALS 



{Exclusive of Insects) 



REVISED EDITION 



138 Entirely New Illustrations 

 100 Former Illustrations Redrawn 



WITH A GLOSSARY 

 974 ILLUSTRATIONS 



854 PAGES 

 CLOTH $7.50 



This Revision 



Brings up to date the nomenclature of the species 

 introduced and revises the larger subdivisions of 

 the animal kingdom. '*' 



Introduces other representative species. 



Increases representation from the fauna of the 

 Pacific Coast Region. 



Corrects errors of fact in descriptions. 



P. BLAKISTON'S SON & CO., INC. 



PHILADELPHIA 



