INDEX. 



433 



Protopterus, 335 



Protozoa, 144 



Proventriculus, 50, 351 



Pseudoneuroptera, 246 



Pseudopodia, 132, 147 



Pseudopleuronectes, 330 



Pterodactyls, 350 



Pteropods, 201 



Pterygoid bone, 39, 294 



Pterygoquadrate, 294 



Pubis, 296 



Pulmonary artery, 35, 59, 313 



Pulmonary vein, 59 



Pulmonata, 201 



Pupa, 241, 262 



Pupa of beetles, 250 



Pupil, 304 



Pygostyle, .353 



Pyloric cseca, 25, 307 



Pyloric part of stomach of star- 



fish, 276 

 Pythons, 347 



Quadrate, 39, 51, 294 

 Quadratojugal bone, 39 

 Quahog, 203 

 Quaternary, 414 



Rabbits, 375 

 Raccoon, 388 

 Racemose vesicles, 113 

 Radial, 110, 113, 127, 174 

 Radial nerve, 114 

 Radial symmetry, 404 

 Radiata; 162, 273 

 Radii, 275 

 Radiolaria, 149 

 Radio-ulna, 38 

 Radius, 45, 297 

 Radula, 106, 195 

 Raia, 323 

 Raise, 324 

 Ranida?, 341 

 Raptores, 359 

 Rasores, 357 

 Rat, dissection of, 53 

 Rats, 375 

 Rattlesnake, 347 

 Rays of fins, 23 



Recent period, 414 



Rectal gland, 17 



Rectum, 34, 54 



Red coral, 172 



Reference-books, 10 



Regularia, 281 



Remora, 331 



Renal artery, 56 



Renal vein, 56 



Reproduction, 403 



Reproductive organ of dogfish, 



18 



Reproductive organs of fish, 26 

 Reproductive organs of frog, 34 

 Reptilia, 342 

 Reptiles, age of, 414 

 Respiration, 398 

 Retina, 107, 304 

 Retractors, 112 

 Rhea, 357 

 Rhinoceros, 383 

 Rhizopoda, 147 

 Rhynchophora, 250 

 Ribs, 291 



Ring-canal, 127, 166, 274 

 Ring-nerve, 113 

 Rodentia, 374 

 Roots of nerve, 36 

 Rose-beetle, 251 

 Round worms, 182 

 Ruminants, 385 

 Rytina, 380 



Sable, 388 

 Sacral region, 292 

 Salamanders, 340 

 Salivary gland, 60 

 Salmo, 328 

 Salmon, 328 

 Sand-cakes, 281 

 Sand-dollars, 281 

 Sand-wasp, 256 

 Sapajous, 391 

 Sauropsida, 342 

 Saururse, 355 

 Savigny's law, C8, 78 

 Sawfish, 323, 324 

 Sawflies, 254 

 Scale-bugs, 261 



