502 



INDEX. 



Quag;ga, i. 456 



Quail, i. 514 



Quills, i. 103 



Quills of porcupine, i. 108 



Rabbit, i. 440; ii. 169, 396 



Racoon, i. 98 



Radiata, i. 148 



Radicle, ii. 541 



Radius, i. 360 



Ranunculus aquaticus, i. 69 



Rapp, ii. 427 



Rat, ii. 132 



Rathke, ii. 567 



Rattle-snake, i. 400, 402 



JRaT/, i. 9 



Ray, i. 95, 375, 377; ii. 196, 



393, 449, 511 

 Rays of fishes, i. 378 

 Reaction not a moving force, i. 



513 

 Reaumur, i. 184, 212, 213, 



262; ii. 102, 163, 152, 440 

 Recti muscles of the eye, ii. 



415 

 Receptacles of food, ii. 63 

 Receplaculum chyli, ii. 97, 202 

 Red snow, i. 12 

 Reed of ruminants, ii. 175 

 Reflex functions, ii. 477 

 Reflex nerves, ii. 323 

 Refraction of light, ii. 405 

 Regeneration of parts, ii. 527 

 Remora, i. 410 

 Renal system, ii. 209 

 Rennet, ii. 175 

 Renovation of materials, ii. 8 

 Reparation, ii. 527 

 Repetition, law of, i. 48 

 Reproduction, i. 36; ii. 521 

 Reptiles, i. 387; ii. 288, 343, 



353, 445, 547 

 Respiration, ii. 10, 263 

 Respiration, aquatic, ii. 266 

 Respiration, atmospheric, ii. 279 

 Respiration, vegetable, ii. 27 

 Respiration, chemical effects of, 



ii. 300 

 Respiratory circulation, ii. 209 



Resinous secretions, ii. 41 

 Rete mirabile, ii. 258 

 Rete mucosum, i. 100 

 Reticule, ii. 173 

 Retina, ii. 336, 401, 413 

 Retina, general, ii. 438 

 Return of sap, ii. 31 

 Retzius, ii. 135 

 Reversed shells, i. 217 

 Reviviscence, i. 53 

 Reviviscence of snails, i. 228 

 Rhea, i. 518 

 Rhinoceros,!. 105,456; ii. 121, 



135, 343, 351,4.50 

 Rhipiptera, i. 313 

 Rhizostoma, ii. 77 

 Rhynchops, ii. 118 

 Ribs, i. 357 

 Ricinius, i. 266 

 Right arm, ii. 256 

 Rings of annelida, i. 243 

 Rodentia, i. 462; ii. 132, 145, 



156, 169, 256, 450, 510 

 Roesel, ii. 427 

 Rof/et, ii. 168, 466, 473, 507, 



521 

 Rolando, ii. 545, 550 

 Roosting, i. 519 

 Roots of plants, i. 55 

 Ross, i. 12 

 Rostrum, ii. Ill 

 Rotation in vegetables, ii. 43 

 Rotation of crops, ii. 50 

 Rotatoria, i. 172; ii. 427, 484 

 Rotifer, i. 52 ; ii. 82, 86, 532 

 Rotifera, ii. 216 

 Rousseau, ii. 143 

 Roux, ii. 511 



Rudimental conditions, i. 46 

 Rudolphi, i. 66 

 Runiford, i. QQ 



Ruminants, i. 442 ; ii. 450, 510 

 Rumination, ii. 174 

 Rusconi, ii. 249 



Sabella, i. 248 



Sacculus of the ear, ii. 384, 392 



Sacrum, i. 360 



Sagra, i. 304 



