INDEX. 



849 



5 5 



5 J 



PAGE 



Respiratory system of 



Helix . . 372 



,, Holothurian . . 255 

 ,, Insects. . 330 



,, Limulus . -361 

 ,, Lizards . . 604 



Myxine . 499 



,, Peripatus . . 304 

 ,, Petromyzon . . 504 

 pigeon . . 646 



,, rabbit . . . 689 

 ,, scorpion . -35 

 sea-urchin . . 253 

 Sepia . . . 390 

 skate . . . 523 

 spider . . 353 



starfish . . 246 



Tracheata . -33 

 ,, Vertebrates . . 488 

 Retia mirabilia of Cetacea . 744 

 ,, ,, of Sirenia . 728 



Reticulum .... 735 



Retina 477 



Reversion .... 86 

 Rhabdoccelida . . -171 

 Rhabdonema . . .192 

 Rhabdopleura . . . 423 

 Rhamphorhynchus . . 624 

 Rhea . . . . 662 



Rhinoceros .... 739 

 Rhinoderma .... 589 

 Khinolophus . . .761 



Rhizocrinus .... 260 

 Rhizopoda .... 89 

 Rhizostoma . . . .164 

 Rhomboidal sinus . . . 640 

 Rhopalura . . . .132 

 Rhynchobdellidse . . . 232 

 Rhynchocephalia . . . 597 

 Rhynchoflagellat . . . 107 

 Rhynchota .... 323 

 Rhytina .... 729 

 Ribs of Vertebrates . . 464 

 Rock-dove .... 629 

 Rodentia .... 748 

 Roe-deer .... 735 

 Rorqual .... 747 

 Rostrum of crayfish . . 270 

 Rotatoria= Rotifers . . 233 

 Rudimentary organs . . 39 



54 



Rudistse 

 Rumen 

 Ruminants . 

 Rumination . 



SABELLARIA 



Sable .... 



Saccocirrus . 



Sacculina 



Sacculus of ear 

 , , rotundus . 



Sacrum 



Sagitta 



Salamander . 



Salinella 



Saliva .... 



Salivary glands of ant-eaters 

 ,, ,, of cockroach 



of Collocalia 

 of Helix 

 of Hirudo 

 of Insects 

 of Molluscs 



PAGE 



. 408 



735 



734 



735 



. 221 



755 



212 

 289, 290 



475 

 685 



6355 

 232, 



675 

 233 



586 



132 



27 



727 



J5 



55 

 55 



5 5 



of rabbit 



654 

 370 

 225 



329 

 783 

 685 

 538, 541 

 434, 438 

 . 287 

 . 42 

 356 



55 55 



55 5 > 



Salmon 



Salpa . 



Sapphirina 



Sarcolemma 



Sarcoptes 



Sarsia . . . . .162 



Sauropsida, Ichthyopsida and 



Mammalia . . -591 



Saururae .... 662 



Saw-flies .... 344 



Scales of Birds . . . 633 



,, of Fishes . . . 543 



, , of Mammals . . 695 



,, of Reptiles . . . 607 



Scallop 407 



Scalpellum .... 289 

 Scaphirhynchus . . . 550 

 Scaphopoda .... 405 

 Scapula .... 464 

 Schizocardium . . .416 

 Schizocoele . . . .186 

 Schizognathse . . . . 620 

 Schizont . . . .102 

 Schizopoda .... 292 

 Sciuromorpha . . . 749 

 Sciurus .... 749 



