730 



INDEX 



Segmentation, 76, 91, 92, 92, 94, 95, 611, 



612, 613, 616, 619, 620 

 Selection, xi 

 Self-fertilization, 36 

 Sella turcica, 227, 462 

 Semen, 412 

 Semicircular canals, 513, 594, 596, 600 



duct, 603 

 Semilunar notch, 249 



valves, 389 

 Semimembranosus m., 283 

 "Seminal" groove, 412, 414 



ridge, 412 



vesicles, 7, 427, 428 

 Seminiferous tubules, loi, 426, 440, 448, 



449 

 Semipermeable membranes, 164, 328 



Semispinalis m., 276 

 Semitendinosus m., 283 

 Semnopiths, 33 

 Semon, loi 

 Semper, 630, 631 

 Sense(s), 563 



buds, 572 



cells, 563, 578 



cutaneous, 566 



exterior, 563 



interior, 563 



major, 563 



minor, 563 



organs, 6, 12, 22, 85, 563, 564, 565 



567 

 Sensory cells, 563, 565, 579 



ganglion, 515, 516 



cells, 472, 482, 515, 516 



nerve, 516 

 Seps, 57 

 Septula, 426 



Septum(a), 9, 30, 83, 371, 384, 49°, 49i> 

 502, 516, 551 



pellucidum, 547 



transversum, 107, 325, 343, 353 

 Serosa, 309, 340, 343 

 Serous, 388 



gland, 303 



membrane, 387 

 Serpent, 240 

 Serranus, 36 

 Serratus anterior m., 281 



posterior m., 280 

 Sertoli (sustentacular) cells, 37, 427 

 Serum, 159, 34S 



Sessile, 5, 9 

 Setae (bristles), 10, 11 

 SewertzofT, 18, 235, 332 

 Sex(es), 5, 9, 10, 11, 35, 464, 563 

 characters, 448 

 differences, 449 

 glands, 448 

 traits, 449, 450 

 Sexual maturity, 51 



reproduction, 407 

 Shaft, 173 

 Shagreen, 183 

 Shank, 250 



Shark, 25, 31, 38, 45, 57, 89, 241 

 Sheath cells, 557 



of Schwann, 146, 149 

 Sheep, 28 



Shell, 9, 12, 38, 40, 41, 51, 52, 53, 55 

 gland, 45 



membrane, 38, 40, 41 

 Sherlock Holmes, xv 

 Shipley, 28 

 Shoulder, 247 



Shoulder blade {see Scapula) 

 Shrew, 27 

 Shrimp, 14 

 Siamang, 33 

 Sight, 479, 563 



Sigmoid(al) flexure, 205, 246, 358 

 SUica (siliceous), 3, 5 

 Silurian, 34 

 Sinanthropus, 32, 33 

 Sino-auricular node, 357 

 Sinus(es), 226 



pocularis, 445 



urogenital, 318, 411, 413, 437 

 venosus, 351, 352, 353, 357, 358, 371, 

 376, 379 

 Sinusoid, 323 

 Siphon, 13, 19 

 Sirenians, 28, 32 

 Sivapithecus, 33 

 Skate, 25, 31, 38, 45, 57, 236 

 Skeletal evolution, summary of, 244 

 Skeletal muscles, 261, 523 



system, 201 

 Skeleton, 3, 5, 24, 103, 201-258, 650, 656 

 appendicular, 202 

 axial, 84, 202 

 bony, 31 

 human, 211, 213 



