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ILLUSTRATIONS 
Strong and Weak Males............ 00. c cece ee ene e et eeeeees 255 
Wedge or Angular Shape Common in Good Layers..............- 257 
Belle of Jersey and Lady Cornell, Two Phenomenal Hens......... 258 
A: Light Brahma Parts ..4.scsi gcc acetia.d e GRb Db A Re acdeelss Wena ce ele 260 
An Example of Sexual Dimorphism..................-.. 00000000 261 
A Prize-winning Pair of Columbian Wyandottes................. 262 
Relation Between Yield, Temperature and Selling Price of Eggs.. 266 
White éghorns ysis: canescens wavy gto bua Sie laa etNe syneeden oe 267 
Ideal Individuals of the Single-comb White Leghorn Breed........ 268 
A Large-unit Laying Flock ..........00..0.00 00.0. e cece eee eens 271 
A Simple and Efficient Disinfecting Outfit....................... 273 
The Egg-collecting Pail .......000 0.00000 c cece eee 287 
Desirable and Undesirable Types of Hatching Eggs............... 288 
Skeleton of the Fowl........... 0... e cece ec ect eeee ee 293 
The: Digestive “LRaCt soso ede na ee gealavnaeens diate seed ednave cosehiouacs acts ox 296 
Circulatory System of the Fowl............... 02.00 cece eee eee 297 
Male Reproductive System.............. 000 cece cece eens 298 
Female Reproductive Organs........... 0.0002 e eee cece eee ee eee 301 
Parts of the Completed Egg............ 0.0... cece cece eens 303 
Abnormal Eggs Compared with Normal One..................... 306 
Chick Embryo Thirty-six Hours Old..................... ree 308 
Chick Embryo Three Days Old................0 ccc cece cee eee 308 
Hatching: Times sic ¢ ciiecd eee cas oa 6 sow steed Sean) Fk Sena’ dada cobasanein das 311 
Two Common Types of Sitting Coops.......:..........0..0004. 316 
Manner of Toe Punching for Baby Chicks...................... 321 
A Good, Yet Simple, Chick Leg Band.........................0. 322 
An Average-sized Flock by Natural Incubation.................. 324 
Working Plans for Incubator Cellar....................0000.00. 328 
Views Showing Construction of Hollow-tile Incubator Cellar ...... 329 
A Common Type of Hot-air Incubator ...............0.....0004. 331 
Modern Mammoth Incubators................0.000 00000 cece 332 
A Complete Self-regulating Device for Incubators ............... 333 
Interior View of Incubator Cellar................0.00.000000 00 -ee 340 
A Useful, Home-made Egg Tester .............2..00 0000 cece uae 343 
Eggs Seven Days in Incubator as Seen When Tested.............. 344 
Three Different Types of Long Brooder Houses.................. 349 
Mammoth Hot-water Brooders...........000 0000 c cc eee eece eevee 351 
Portable Indoor Hovers............. 000 ce cece eee c eee eee eees 352 
Small Portable Outdoor Brooders.................000000 cece eee 352 
Colony Brooder Houses... ..........00 000 e eee eee cece cee ev nes 353 
Portable Gasoline Brooder Houses..................00000 cece ee 355 
Chicks Showing Pronounced Symptoms of White Diarrhoa........ 364 
Growing Poultry on Free Range...............0000 ccc cece eeeee 369 
Rearing Chickens under Intensive Conditions .................... 370 
A Desirable Rotation of Crops for Poultry Runs................. 372 
Four Types of Summer Developing Houses..................00- 373 
