INDEX 
Historical Review- 
The Problem- 
Time Required for Food to Pass Through the Entire Intestinal Tract 
of Fowls- 
Experimental Feeding Methods- 
Care of the Excrement- 
Analyses of Feeds-*- 
Moisture- 
Ether Extract- 
Crude Fiber- 
Crude Protein- 
Ash- 
Nitrogen-Free-Extract- 
Gross and Chemical Analyses of the Excreta- 
Chemical Analyses of Excreta- 
Determination of Free Ammonia- 
Determination of Uric Acid- 
The Preparation of Piperidine- 
The Ash Intake and Ash Outgo and its Effect Upon the Question of 
Coefficients of Feeding Stuffs With Poultry- 
The Fate of Grit in the Fowl- 
Behavior of Birds on Single Feeds-— 
Summary of the Digestive Coefficient Studies- 
Feeding Data- 
Excrement Analysis- 
Digestive Coefficients- 
Monographic Tables of Digestive Coefficients With Poultry- 
3 
5 
5 
11 
11 
11 
11 
12 
12 
12 
12 
12 
19 
20 
20 
20 
21 
22 
27 
35 
36 
41 
92 
104 
141 
