Muscles of the Eye 124 Muscles of the Ear 128 FUNCTIONS OF MUSCLES 128 SPLANCHNOLOGY DIGESTIVE APPARATUS 135 Mouth 135 Tongue 139 Pharynx 141 Glands Adjacent to Mouth and Pharynx 141 Esophagus 142 Crop 142 Stomach 143 Proventriculus 143 Gizzard 145 Small Intestine 147 Large Intestine 150 Cæca 151 Cloaca 151 COURSE OF THE FOOD 152 ACCESSORY ORGANS OF DIGESTION 152 Liver 153 Pancreas 155 Spleen 155 ABDOMINAL AND PELVIC CAVITIES 156 PERITONEUM AND MESENTERY 156 RELATIONS OF THE VISCERAL ORGANS OF THE DOMESTIC FOWL 158 RELATIONS OF THE VISCERAL ORGANS OF THE BABY CHICK 165 URO-GENITAL SYSTEM 169 Urinary Apparatus 169 Kidneys 169 Ureter 174 Male Generative Organs 175 Testicles 175 Vas Deferens 178 Female Generative Organs 178 Egg 180 Oviduct 182 Parts of the Oviduct 183 Ligaments of the Oviduct 188 DUCTLESS GLANDS 190 Thyroid Gland 190 Thymus Gland 190 Adrenal Gland 191