XII 
CONTENTS. 
I. COMPREHENSIVE and GENERAL ZOOLOGY. 
II. PROTOZOA. 
III. PORIFERA or SPONGIAE. 
IV. COELENTERATA. 
V. ECHINODERMATA. 
VI. VERMIDEA: including' Gepiiyrea and Pterobranciiiata. 
VII. BRACII IOPODA and BRYOZOA or POLYZOA. 
VIII. MOLLUSCA. 
IX. ARTHROPODA (General). 
X. CRUSTACEA. 
XI. ARACHNIDA and MYRIOPODA; including also Gigant- 
ostraca, Eurypterida, Prototraciieata. 
XII. IN SECT A. 
XIII. PROCHORDATA = Tunicata, Cepiialociiordata, Entero- 
PNEUSTA. 
XIV. VERTEBRATA (General). 
XV. PISCES. 
XVI. REPT1LIA and BATRACHIA. 
XVII. AVES. 
XVIII. MAMMALIA. 
Alphabetical Index of New Names of Genera and Subgenera. 
List of Abbreviations and of Titles of Journals. 
