154 APPENDIX. 



68. Twine. 



69. Watch-crystals. 



70. Water-bath. 



71. Weights of different sizes. 



72. Wire, fine. 



73. Wire-gauze. 



74. Wooden pail. 



75. Wooden rods for levers. 



76. Dr. Fitz's lever apparatus. 



NOTE 1. References as to the kind of apparatus are to the catalogues 

 of Bausch and Lomb Optical Company. 



NOTE 2. When time permits there are other more difficult experi- 

 ments that may be introduced as class exercises. The apparatus for 

 such experiments may be obtained of the Waltham Clock Co., Waltham, 

 Mass. 



REFERENCE BOOKS. 



An American Text-Book of Physiology. W. H. Howell. W. B. 



Saunders, Philadelphia. 



A Text-Book of Physiology. M. Foster. The Macmillan Company. 

 The Human Body. The Advanced Course and the Briefer Course. 



H. N. Martin. Henry Holt & Co. 



Lessons in Elementary Physiology. T. H. Huxley. The Macmil- 

 lan Company. 



Human Physiology. J. C. Dalton. Lea Brothers & Co. 

 Anatomy. Henry Gray. (Latest revision.) Lea Brothers & Co. 

 The Essentials of Histology. E. A. Schafer. Lea Brothers & Co. 

 Hints for Teachers of Physiology. Guides for Science Teaching, 



No. XIV. H. P. Bowditch. D. C. Heath & Co. 

 Foods: Nutritive Value and Cost. Department of Agriculture, 



Washington, D. C. 

 Food as a Factor in Student Life. Mrs. Ellen H. Richards and 



Marion Talbot. The University of Chicago Press. 

 Prize-Essay. The Five Food Principles. Mrs. M. H. Abel. Henry 



Lomb, Rochester, N. Y. 



