PART II. ANIMAL BIOLOGY

I. INTRODUCTION A 1

II. PROTOZOANS A 10

III. SPONGES A 17

IV. POLYPS A 22

V. ECHINODERMS A 34

VI. WORMS A 42

VII. CRUSTACEANS A 51

VIII. INSECTS A 63

IX. MOLLUSKS A 97

X. FISHES A 109

XI. BATRACHIANS A 126

XII. REPTILES A 139

XIII. BIRDS A 150

XIV. MAMMALS A 184