CONTENTS. 



PRELIMINARY DIRECTIONS. 



PAGE. 



I. Directions for Preparing a Laboratory Note-book in Zoology i 



II. Individual Equipment Furnished by the Laboratory 5 



III. General Directions for Dissecting 6 



IV. Use of the Dissecting Lens 7 



V. Preliminary Exercise on the Use of the Compound Microscope 9 



VI. Animal Cells ; Mitosis 13 



THE FROG. 



I. Attitudes and Movements 15 



II. External Characters 16 



III. The Mouth Cavity 18 



IV. The Ccelomic Cavity 21 



V. The Digestive System 27 



VI. The Urogenital System 29 



VII. The Circulatory System 31 



VIII. The Respiratory System 43 



IX. The Thyroid Glands 45 



X. The Integument 45 



XL The Skeleton 49 



XII. The Muscular System 64' 



XIII. The Nervous System 71 



XIV. The Eye 81 



XV. The Ear 83 



APPENDIX. 



I. Text and Reference Books 85 



II. Purchase of Material and Equipment 85 



III. Care of Living Material 86 



IV. Killing and Preserving Material 87 



V. Anatomical Preparations 89 



VI. Histological Preparations 99 



vn 



