CONTENTS. 



PAGE 



INTRODUCTION To the Student; Use of the Microscope . . vii 



CHAPTER 



I. COLLECTION AND PRESERVATION OF INSECTS i 



II. THE GRASSHOPPER 10 



III. OTHER INSECTA 17 



Cricket, Dragon Fly, Squash Bug, Butterfly, House Fly, 

 Beetle, Bumblebee, Ant-lion. 



IV. ARACHNIDA AND MYRIAPODA 30 



Centiped, Milliped. 



V. CRUSTACEA . . . 33 



Crayfish, Sow Bug, Cyclops. 



VI. ANNULATA 47 



Earthworm. 



VII. MOLLUSCA 54 



Fresh-water Clam, Snail. 



VIII. PISCES 66 



Perch. 



IX. AMPHIBIA 82 



Frog. 



X. REPTILIA 95 



Snake, Turtle. 



XI. AVES 104 



Pigeon, Hen's Egg. 



XII. MAMMALIA c 123 



Rabbit. 



XIII. MAMMALIA (continued} 133 



Rabbit, Dissection of Heart, Head, and Kidneys; Arteries 

 and Veins. 



