440 



INDEX 



Sacrum, 55 

 Salamanders, 6 

 Salivary gland, 235 

 Santorini's duct, 350 

 Sarcolemma, 36 

 Saurognathous, 107 

 Sauropsida, 6 

 Savi's ampullae, 197 

 Scalae of ear, 199, 3oi 

 Scalene muscles, 135 

 Scales, 43 



horny, 30 

 Scaphoid, 126 

 Scapula, 114 

 Scent glands, 34, 39 

 Schizocoele, ii 

 Schizognathous, 107 

 Schizorhinal, 105 

 Schwann's sheath, 24 

 Sciatic artery, 306 



vein, 314 

 Sclera, 69, 217 

 Scleroblasts, 43 

 Sclerotic bones, 76, 218 



coat, 69 

 Sclerotomes, 16, 20, 51 

 Scrotum, 348, 373 

 Sebaceous glands, 39 

 Seessel's pocket, 221 

 Segmentation cavity, 9 



of egg, 9 

 Sella turcica, 68 

 Semicircular canals, 199 

 Semilunar ganglion, 186 

 Seminal vesicles, 376 

 Seminiferous tubules, 348 

 Semiplacenta, 384 

 Sense hillocks, 181 

 Sensory nerves, 1 74 



organs, 192 

 Septum pellucidum, i6o 



transversum, 18, 294 

 Serosa, 380 

 Sertoli's cells, 348 

 Serratus muscle, 137 

 Serum, 286 

 Sesamoid bones, 134 

 Sexual glands, 335 

 Shagreen, 44 

 Sheath of notochord, 51 

 Shell gland, 358, 366 

 Shoulder girdle, 114 



Sinus impar, 269 

 Sinus of Morgagni, 273 



terminalis, 309 



urogenitalis, 349 



venosus, 290, 295 

 Sinuses of nose, 213 

 Sinusoids, 287 

 Sirenia, 7 



Skeletogenous tissues, 41, 51 

 Skeleton, 41 

 Skin, 29 

 Skull, 67 

 Smell, 204 

 Smooth muscle, 25 

 Solar plexus, 177 

 Somatic arteries, 291 



layer, 11 



nerves, 175 

 Somatopleure, 16 

 Spermatic artery, 307 

 Spermatozoon, 9, 348 

 Sphenethmoid, 93 

 Sphenodon, 6 

 Sphenoid bone, 76 

 Sphenoidalia, 74 

 Sphenoidal fissure, 74 



sinus, 212 



turbinal, 109 

 Sphenopalatine ganglion, 1 78 

 Sphenotic, 75 

 Sphincter muscles, 134, 239 



pupillae, 217 

 Spina scapulae, 118 

 Spinal artery, 305 



cord, 144 



muscles, 136 



nerves, 174 

 Spiracle, 254 

 Spiracular gills, 259 

 Spiral valve, 244 

 Splanchnic layer, 11 

 Splanchnocoele, 18 

 Splanchnopleure, 16 

 Spleen, 333 

 Splenial bone, 79 

 Splenic artery, 303 

 Squamata, 7 

 Squamosal bone, 77 

 Stannius' corpuscles, 362 

 Stapes, 81, 82 

 Stegocephali, 6 

 Stenon's duct, 237 



1 



