XU 
CONTENTS. 
I. COMPREHENSIVE and GENERAL ZOOLOGY. 
II. PROTOZOA. 
III. PORIFERA ob SPONGIAE. 
IV. COELENTERATA. 
V. EC HINODERM AT A. 
VI. VERMIDEA: including Gephyrea and Pterobranciiiata. 
VII. BRACIIIOPODA and BRYOZOA oh POLYZOA. 
VIII. M'OLLUSOA. 
IX. ARTHROPODA (General). 
X. CRUSTACEA. 
XI. ARACHNIDA and MYRIOPODA; including also Gigant- 
OSTRACA, ElJRYPTERIDA, P It OTOTR AC H E AT A . 
XII. INSECTA. 
XIII. PROCHORDATA = Tunicata, Cephalochordata, Entero- 
PNEUSTA. 
XIV. VERTEBRATA (General). 
XV. PISCES. 
XVI. REPTILIA AND BATRACHIA. 
XVII. AVES. 
XVIII. MAMMALIA. 
Alphabetical Index of New Names of Genera and Scbcenera. 
List of Abbreviations and of Titles of Journals. 
