Spinal muscles, 131 
nerves, 161 
Spiracle, 238 
Spiral valve, 228 
Splanchnic layer, ro 
wall, 121 
Splanchnoceele, r2r 
Splanchnopleure, 15, 221 
Spleen, 307 
Splenial bone, 71 
Splenic artery, 284 
Squamosal bone, 70 
Squamous epithelium, 18 
Squatina, genus of sharks. 
Stapes, 73, 186 
Steapsin, 234 
Stenon’s duct, 221 
Stenson’s gland, 197 
Sternal rib, 54 
Sternebre, 57 
Sternocleidomastoid muscle, 130 
Sternohyoid muscle, 130 
Sternum, 56 
abdominal, 57 
Stomach, 223 
Stomata of lymph system, 302 
Stomodeum, 12, 205 
Stratified epithelium, 18 
Stratum corneum, 25 
germinativum, 25 
Streptostylic, 87 
Striped muscles, 20, 125 
Styloid process, 100 
Subarachnoid space, 152 
Subcardinal veins, 279 
Subclavian artery, 288 
vein, 289 
Subcutis, 26 
Subdural space, 152 
Subintestinal vein, 276 
Sublingua, 219 
Sublingual gland, 221 
Submaxillary ganglion, 171 
gland, 221 
Suboperculum, 77 
Subspinal muscles, 133 
Subunguis, 27 
Sulci, 160 
Sulcus of Monro, 141 
Superficial petrosal nerve, 173 
Superior intercostal vein, 302 
jugular vein, 279 
mesenteric artery, 284 
oblique muscle, 128 
INDEX, 
Suprascapula, 105, 107 
Suprasternalia, 58 | 
Supratemporal bone, 69, 106 
fossa, 71 
Suspensor, 63, 69, 73 
Sutures, 38 
Sweetbreads, 246 
Swim bladder, 247 
Sylvian fissure, 155 
Sympathetic ganglia, 165 
system, 163 
trunk, 163 
Symplectic, 73, 80 
Synarthrosis, 38 
Synotic tectum, 61 
Synovial membrane, 38 
Synsacrum, 53 
Syrinx, 254 
Systemic circulation, 282 
Systole, 272 
Tabulare, 69 
Tactile corpuscles, 179 
Tenia marginalis, 98 
Tails of fishes, 50“ 
Talon, 214 
Talus, 117 
Tapetum lucidum, 202 
Tarsale, 117 
Tarsal glands, 205 
Tarso-metatarsus, 119 
Tarsus, 116° 
Taste buds, 189 
organs of, 189 
Tear gland, 204 
Tectorial membrane, 186 
Teeth, 208 
development of, 209 
epidermal, 215 
phylogeny, 215 
Tegmen cranii, 61 
Tela subjunctiva, 26 
Telencephalon, 141, 148 
brain, 153 
breathing valves, 241 
excretory organs, 327 
girdles, 105 
skull, 77 
reproductive organs, 332 
Temnospondylous, 48 
Temporal fossa, 71 
lobes, 159 
Temporalis muscle, 133 
Tenaculum, 203 
399 
