INDEX 



437 



Primitive groove, 206 



streak, 206 

 Proglottides, 333 

 Pronucleus, 191, 192 

 Proskauer, 87 

 Protandrism, 181 

 Protandry, 185 

 Protein, 83 

 Prothallium, 184 

 Protogyny, 186 

 Protophyta, 92 

 Protoplasm, 19, 31, 83 



electric stimulation of, 61 



elements of, 87 



of the cell, 94 



thermal irritability of, 40 

 Protozoa, 92 

 Pseudopodia, 75 

 Pseudopods, 124 

 Psychology, 154 

 Pyrenin, 97 



Q 



QUARTER evil, vaccine for, 366 

 R 



RABIES, Pasteur treatment of, 



366 



Radiolaria, structure of, 110 

 Rauber on fertilization, 233 

 Raulin, 87 

 Receptors, 352 

 Recessive characters, 244 

 Redi, 22 



Reduction of chromosomes, 189 

 Reflex action, 46 



mechanism of, 151, 152 

 Regeneration, 371 



in plants, 387 



influences governing, 379 



of blood-vessels, 382 



Regeneration, of bone, 383 

 of epithelial tissue, 381 

 of muscular tissue, 384 

 of nervous tissue, 384 

 of viscera, 385 



Reichert and Brown on blood 

 relationship, 293 



Relapsing fever, 320 



Repair. See Regeneration. 



Reproduction, 90, 167 

 in animals, 186 

 in ferns, 184 

 in plants, 185 

 in sponges, 183 



Reproductive cells, 169 



system, development of, 121 



Respiratory system, develop- 

 ment of, 142 



Rhizopoda, parasitism of, 308 



Ribbert on transplantation, 

 398, 402 



Rigidity, 36 



Rigor mortis, 423 



Ripicephalus bovis, 332 



Romanes, 216 



Ross in malarial parasite, 328 



Rotifer, cilia of, 78 



mechanical stimulation of, 45 



Rotifera, 311 



Round worms, 310 



Rusts, 305 



S 



SARCOCYSTIS, 309 



Sarcopsylla penetrans, 315 



Sarcoptes scabei, 303 



Scabies, 321 



Scar, 382 



Schistosoma hematobium 324 



Schleiden, 92 



Schroeder, 25 



Schultze, 25 



