ILLUSTRATIONS xv 



Fig. Page 



97. Front elevation 16-foot house 138 



98. Commercial floclc Leghorns 140 



99. Elevated walk in front of house 141 



100. Slatted openings for ventilation 142 



loi. Diagram arrangement roosts and nests 145 



102. Roosting compartment 146 



103. Floor plan well-arranged house 147 



104. Perches hinged upward 148 



105. Shelf for water fountain 149 



106. Plans for dry mash hopper 151 



107. Indoor mash hopper 152 



108. "In for the night " 154 



109. Plans for "self-rising door" 156 



I ID. Maryland poultry farm building 157 



, III. Inexpensive colony house. . 158 



112. Details "self-closing door" •. 161 



113. Hook for catching fowls 162 



114. Device for securing open door 163 



115. Stake for securing open door 164 



116. Home-made trap nest 167 



117. Plans Storrs' trap nest 168 



118. Corner of well-designed laying house 169 



119. Plans of Maine trap nest 170 



120. Single-compartment trap nest 172 



121. Two-compartment trap nest 173 



122. Feed house in center of laying house 176 



123. Feed carrier suspended from track 178 



124. Automatic feed hopper 180 



125. Outdoor feed hopper on skids 182 



126. Overhead rail system for feed 185 



127. Designs for feed hoppers 188 



128. Outdoor feed hopper 190 



129. Low-wheeled truck for feeding range 191 



130. Growing stock on alfalfa pasture 195 



131. Fowls scratching 197 



132. Chick fountains 199 



133. Feeding time in a fattening station 201 



134. Feeding battery 202 



135. Poor feeder 203 



136. Good type of feeder 203 



137. Farm flock on range 204 



138. Chickens in feeding batteries 209 



139. Grading poultry in packing house 213 



140. Spading over soil in poultry runs 216 



141. Milk-feeding experiments 219 



142. Equipment for chicks' range 222 



143. Gathering greenstuffs 224 



144. Feed oats and sprouted oats 226 



145. Commercial fattening plant 228 



146. Home-made rack for sprouting oats 230 



147. Killing room in a Western packing house 233 



148. Small single-tray incubator : 236 



149. Double-tray lamp incubator 237 



