492 



INDEX 



Perspiration, 354 



Pesto, fighting insect, 180 



Phagocytes, 316 



Pharynx, of man, 308 



Philampelus achemon, *93 



Phoebe, black, nest and eggs, *219 



Pholas, *174 



Phosphorus, as a cell element, 291; 

 properties, 294 



Physiology, definition, 1; animal, 

 49; human, defined, 287; pur- 

 pose of study, 288 



Pia mater, 3S8 



Picture writing, Indian, *38S 



Pigeons, races of, *260; 270 



Pill-bug, 1S4 



Pinnotheres, 153 



Pithecanthropus erectus, remains, 

 *391 



Pituophis bellona, *208 



Plants, as proteid manufacturers, 

 296; as source of proteids, 296; 

 as starch manufacturers, 297 



Plants, fertilization of, 451 



Plasmodium, malarial, *126; *127 



Pleclrophenax nivalis, *234 



Plesiosaur, fossil skeleton, ' *279 



PoUicipes polynemus, *1S2 



Pollination of flowers, *450 



Polygonia interrogationis, larviE, *94; 

 pupa, *96 



Pons varolii, in man, 360 



Porcupines, 246 



Porpoise, 249 



Primates, 256 



Protection, special means, 403 



Proteids, composition, 291-297; as 

 nitrogenous compounds, 291; as 

 food nutrient, 295; as flesh-pro- 

 ducers, 296; as tissue-formers, 

 295; tests for, 296 



Protoplasm, described, 48 



Protozoa, 118; form of body, 118; 

 marine, 120; causing human dis- 

 ease, 124 



Pseudopleuronectes americanus, *197 



Ptyalin, 307 



Pulse, 325; 326 



Puma, 256 



Pupation of caterpillars, 95 



Pigmy, *397 



Piroplasma, germ of Texas cattle 

 fever, 130 



Quarantine, 381 

 Quohog, 171 



Rabbits, 246 



Rats, 246 



Reflex action, 364; inhibition, 364; 

 simple arc, diagram, *362 



Reindeer, drawing by ancient man, 

 *388 



Remedies for injurious insects, 183 



Rennin, 310; action of, 310 



Reptiles, 203; how to preserve, 482 



Resemblances, protective, 442; spe- 

 cial protective, 444 



Respiration, character and organs, 

 56; essential act of, 343; effect of 

 exercise on, 347; effects of tight 

 clothing on, 348; artificial, 348 



Respiratory organs of mouse, *58; 

 system, 290 



Rest, 342 



Retina, 372; formation of image on, 

 diagram, *372 



Robin, western, *229 



Rodents, 245 



Rosalina varians, *122 



Roundworm, 146 



Ruminants, 250 



