IV 
CONTENTS. 
I. COMPREHENSIVE and GENERAL ZOOLOGY, 
II. PROTOZOA. 
III. PORIFERA or SPONGIAE. 
IV. OOELENTERATA. 
V. ECHINODERMATA. 
VI, VERMIDEA: including 1 Gephyrea and Pterobranchiata. 
VII. BRACIIIOPODA and BRYOZOA or POLYZOA. 
VIII. MOLLUSOA. 
IX. ARTHROPOD A (General). 
. X. CRUSTACEA. 
XI. ARACHNIDA and MYRIOPODA; including also Gigant- 
ostraca, Eurypterida, Prototracheata. 
XII. INSECTA. 
XIII PROCHORDATA = Tunicata, Cephalochordata, Entero- 
PNEUSTA. 
XIV, VERTEBIiATA (General). 
XV. PISCES. 
XVI. REPTILIA and BATRACHIA. 
XVII. AVES. 
XVIII. MAMMALIA. 
Alphabetical Index of New Names of Genera and Subgenera. 
