484 



INDEX. 



Serous envelope of chick, 107 ; 



of mammals, 346 

 Seventh nerve of chick, 127 129, 



203 



Shell-membrane of chick, i 

 Shell of hen's egg, i ; formation 



of, 16 



Shield, embryonic, of chick, 49 

 Sinus rhomboidalis : of embryo 



chick, 71, 81 ; of rabbit, 329 

 Sinus terminalis, of chick of 



second day, 91, 104; in rabbit, 



343 



Sinus venosus of chick, 169, 226, 



285 290 



Skeleton of limb, chick, 234 

 Skull of chick, 235 251 ; cartilage 

 and membrane bones of, 246 ; 

 of mammalia, 401 405 

 Sloth, placenta, histology of, 360 

 Somatic stalk of chick, 29 42 ; 



of mammals, 351 

 Somatopleure of chick, 29 33; 



formation of, 4041, 68 

 Spermatozoa of chick, 223 

 Spinal nerves : of chick, 123; de- 

 velopment of, 129132 ; of 

 mammalia, 400 



Spinal cord of chick: develop- 

 ment of, 251 256 ; white mat- 

 ter of, 252; grey matter of, 

 253; canal of, 252 256; epi- 

 thelium of, 251, 252; anterior 

 grey commissure of, 256 ; an- 

 terior fissure of, 254 256; 

 dorsal fissure of, 255 256; 

 posterior grey commissure of, 

 256; sinus rhomboidalis of, 

 256; anterior columns of, 256; 

 posterior columns of, 256 ; 

 lateral columns of, 256; an- 

 terior white commissure of, 

 256; posterior white commis- 

 sure of, 256 

 Splanchnic stalk of chick, 29 



42, 232 

 Splanchnopleure of chick, 29 



33 ; formation of, 40 42, 68 

 Spleen of chick, 182 

 Splint bones of chick, 246 

 Squamosal bones of chick, 246 



Staining reagents, 428 432; has- 

 matoxylin, 429 ; borax carmine, 

 430; carmine, 431; picro-car- 

 mine, 431 ; alum carmine, 431 



Stapes, of chick, 245 ; mammalia, 

 398, 404 



Sternum of chick, 235 ; of mam- 

 malia, 405 



Stomach of chick, r 73 ; mam- 

 malia, 418 



Stomodaeum, of chick, 119, 203; 

 mammalia, 420 



Stria vascularis, mammalia, 397 



Subclavian arteries of chick, 296 

 298. of mammalia, 409 



Subclavian veins, mammalia, 409 



413 



Sulcus of Monro, 373 



Superior maxilla of chick, 165 ; 

 maxillary processes of chick, 

 202; of rabbit, 334 



Superior cardinal veins of chick, 

 228 



Supra-renal bodies, mammalia, 

 structure of, 413; relation of, 

 with sympathetic nervous sys- 

 tem, 414 



Subzonal membrane of mammal, 



34 6 



Sylvian fissure, mammalia, 384, 



385 

 Sympathetic nervous system of 



mammalia, 400 

 Sweat-glands, 366 



T. 



Tail-fold of chick, 29 37, 196; 

 of second day, 96 ; of mammal, 



3 2 9 



Tail-swelling of chick, 74 



Tarsus of chick, 234 



Teeth, mammalia, 421 



Tela choroidea, 375 



Tenth nerve of chick, 125, 127 



129, 203 ^ 



Testis of chick, 222, 371 

 Thalamencephalon : of chick, 



117; of mammalia, 371 376; 



ventricle of, 372; floor of, 372, 



