CONTENTS. 
INTRODUCTION. 
Definition of Biology and Zoology—Characters of dead and un- 
organised bodies—Characters of living and organised bodies 
—Differences between animals and plants—Principles of 
Zoological classification—The great Physiological Func- 
tions—Homology and Analogy—General divisions of the 
Animal King¢dom—lInvertebrata and Vertebrata, 
CHAPTER I, 
General characters of the Protozoa—Classification of the Proto- 
zoa—Gregarinide, ; : 
CHAPTER II; 
General characters and orders of the Rhizopoda—Monera— 
Anatomy of the Amcebea—Foraminifera—A ffinities—Dis- 
tribution of the Foraminifera in space and in time—Radio- 
laria — Acanthometree — Polycystina — Thallassicollida— 
Spongida—Structure of a Sponge—Reproduction of Spon- 
gilla—Distribution of Sponges in space, ‘ . 
CHAPTER III. 
General characters of the Infusoria—Anatomy of Paramcecium 
—Structure of Epistylis—Orders of Infusoria—Distribu- 
tion of Infusoria in space—Tabular view of the divisions of 
the Protozoa, : : 
CHAPTER IV. 
General characters of the Coelenterata—Divisions of the Ccelen- 
terata—General characters of the Hydrozoa—General ter- 
minology of the Hydrozoa, ; : ‘ 
CHAPTER V. 
Divisions of the Hydrozoa—Hydroida— Hydrida—Anatomy of 
Hydra—Corynida—Reproduction in the Corynida and in 
the Hydroid Zoophytes generally—Alternation of genera- 
tions—Sertularida—Campanularida, 
1-25 
26-29 
30-46 
47-53 
54-61 
62-74 
