XI) 
CONTENTS. 
I. COMPREHENSIVE and GENERAL ZOOLOGY. 
II. PROTOZOA. 
III. PORI PER A on SPONGIAE. 
IV. COELENTERATA. 
V. ECHINODERMATA. 
VI. VERMIDEA: including Gephyrea and Pterobuanchiata. 
VII, BRACIIIOPODA and BRYOZOA or POLYZOA. 
VIII. MOLLUSOA. 
IX. ARTHROPODA (General). 
X. CRUSTACEA. 
XI. ARAOHNIDA and MYRIOPODA; including also Gigant- 
ostraca, Eurypterida, Prototracheata. 
XII. INSECTA. 
XIII. PROCHORDATA = Tunicata, Cepiialociiordata, Entero- 
PNEUSTA. 
XIV. VERTEBRATA (General). 
XV. PISCES. 
s • . 
XVI. REPTILIA AND BATRACHIA. 
XVII. AVES. 
XVIII. MAMMALIA. 
Alphabetical Index of New Names of Genera and Subgenera. 
List of Abbreviations and of Titles of Journals. 
