VI 
CONTENTS. 
I. COMPREHENSIVE and GENERAL ZOOLOGY. 
II. 
PROTOZOA. 
III. 
PORIFERA or SPONGIAE. 
IY. 
COELENTERATA. 
Y. 
ECHINODERMATA. 
YI. 
VERMIDEA : including Gephyrea 
and Pterobranchiata 
VII. 
BRACHIOPODA and BRYOZOA or POLYZOA. 
VIII. 
MOLLUSCA. 
IX. 
ARTHROPODA (General). 
X. 
CRUSTACEA. 
XI. 
ARACIINIDA and MYRIOPODA; including also 
ohtraca, Eurypterida, Prototraciieata. 
Gigant- 
XII. 
INSECTA. 
XIII. 
PROCHORDATA = Tunicata, Cephalochordata, 
PNEUSTA. 
Entero- 
XIV. 
VERTEBRATA (General). 
XV. 
PISCES. 
XVI. 
REPTILIA and BATRACIIIA. 
XVII. 
AVES. 
XVIII. 
MAMMALIA. 
Alphabetical Index of New Names of Genera and Subgenera 
Abbreviations; New Journals. 
