852 



INDEX. 



55 

 55 

 55 

 5 5 



11 

 11 



Skin of Vertebrates 

 Skull .... 

 Skull of- 



Crocodiha 



frog 



haddock 



Hatteria 



Lizard . 



Mammals 



pigeon . 



rabbit . 



skate 

 ,, snakes . 

 Skunk .... 

 Sleeping-sickness parasite 

 Sloth animalcules . 

 Sloths .... 



,, vertebrse of . 

 Slow-worm . 

 Slug .... 

 Smynthurus . 

 Snail (see Helix) . 

 Snails .... 

 Snakes .... 

 Solaster 



Solen .... 

 Solenia 

 Solenomya . 

 Solenostoma . 

 Solpuga 



Solpugidas or Solifugre . 

 Somatic cells 

 Somatopleure 

 Somites = Segments 

 Sorex .... 

 Spadella 

 Spatangus 

 Spatularia 

 Species 

 Spermathecae 

 Spermatophores . 

 Spermatozoa . 

 Sphaeridia 

 Sphrerozoum 

 Sphaerularia . 

 Sphargidie 

 Sphenethmoid 

 Sphenodon . 

 Sphenotic 

 Sphincter muscles . 



PAGE 



457 

 459-461 



. 614 



. 562 



597 

 . 600 

 . 670 

 . 636 

 . 676 

 . 512 



609 



755 

 . 118 



358 

 . 727 

 . 727 

 . 606 



402 



. 322 



366-376 



400 



. 607 



242, 247 



. 408 



1 60 



406 



97 

 . 706 



199, 461 



. 758 

 . 232 



254 



55 1 



14 



200, 374 



373 

 . 60 



237 

 106 

 192 



596 

 . 562 



597 



532 



154 



Spicules (of sponge) 

 Spider Monkeys . 

 Spiders 



,, classification of 

 Spinal cord . 



55 g an g na 



nerves 



Spinning glands of Insects 

 ,, ,, of Spiders 

 Spiracles of skate . 

 Spiracular cartilage 

 Spiral valve . 

 Spirochsete . 

 Spirula 



Splanchnopleure . 

 Spleen .... 



, , of frog 



, , of pigeon . 



,, of rabbit 



,, of skate 



Splenial . . . 

 Sponge, development of a 

 Sponges 

 Spongilla 

 Sporocyst 

 Sporozoa 

 Sporozoite 

 Spring-tails . 

 Squalus 

 Squamosal . 

 Squilla . 

 Squirrels 

 Stapes of ear 

 Starfish 

 Stegocephali 

 Stelechotokea 

 Steller's sea-cow . 

 Stephanoceros 

 Sterno-tracheal muscles 

 Sternum of Crustacean seg- 

 ment 



,5 of pigeon 



Stickleback .... 

 Stigmata .... 

 Sting of scorpion . 

 Stinging animals . 



,, cells 

 Stipes ..... 



Stoat 



Stolonifera .... 



I'AGE 



125 



766 



351 

 356 

 471 

 474 

 473 

 329 

 354 

 523 



523 



522 



118 



413 

 706 



488 

 576 

 646 

 686 



525 

 615 



127 



121 

 130 

 I 7 6 



103 

 IOI 



322 



547 

 , 677 



. 284 



749 

 . 476 



241-247 



587 

 . 161 

 . 729 



234 

 646 



462 



270 

 635 



330 

 348 

 133 

 138 

 324 



755 

 1 60 



