INDEX 



553 



Blastula, 286 



Bleeders. See Haemophilia 



Blood, arterial, 144 ; a tissue, 87, 146 ; 

 circulation of, 143, 153-161 ; clotting 

 of, 148 ; composition of, 145 ; corpuscles 

 of, 87-88, 147-148 ; count, 147 ; course 

 of, 159-161 ; early drawing of circula- 

 tion of, 151 ; functions of, 145-146, 



150, 162 ; grouping of, 148-149 ; heat 

 of, 150 ; importance of, 143-150 ; lab- 

 oratory problems on study of, 87, 

 143-144 ; laboratory study of cor- 

 puscles of, 144-145; laboratory study 

 of serum of, 144 ; necessity of circu- 

 lation of, 149-150 ; need of water to, 

 167 ; of frog, 89 ; of man, 88 ; oxygen- 

 ated in lungs, 179 ; properties of, 145- 

 146 ; serum of, 144 ; transfusion of, 

 149 ; venous, 144 



Blood plasma, composition of, 145 

 Blood platelets, function of, 148 ; struc- 

 ture of, 148 

 Blood serum, laboratory study of, 144 

 Blood vessels, 143 ; laboratory study of, 



151. Sec also Arteries, Capillaries, 

 and Veins 



Bone, formation of, 79 ; laboratory 

 problems on microscopic structure of, 

 78 ; laboratory study of cross struc- 

 ture of, 77-78 ; proper growth of, 80 



••me cell, diagram of, 80 



Brain, parts of, 206-207 ; structure of, 

 206-207 



Breathing, control by carbon dioxide, 

 183 ; control by oxygen, 183 ; labora- 

 tory problem of modifications of, 183 ; 

 laboratory problem on mechanics of, 

 181 ; movements of, 181-182 



Breeding, aims of, 345-351 ; artificial 

 selection in, 352 ; for improved quality, 

 350 ; for increased production, 351 ; 

 for points, 349-350 ; hybridization, 

 351 ; importance of animal, 344-345 ; 

 353 ; importance of plant, 343-345 ; 

 Mendel's experiments in, 322 ; methods 

 of animal, 353-354 ; methods of plant 

 propagation in, 351-353 ; results of 

 close, 353-354 



Breeding experiments, of plants, by 

 Mendel, 322 



Bronchi, 178, 179 



Bronchial tubes, 179 



Bronchitis, 474 



Broncho-pneumonia, predisposing fac- 

 tors, 474 



Brontosaurus, restoration of, 372. See 

 Dinosaur 



Brown, Robert, described movement of 

 molecules, 35-36 ; observed nucleus of 

 cells, 27-28 



Brownian motion, 36 



WH. PITZ. AD. BIO. — 36 



Bruise, cause of, 168 



Bryophyta, 519 



Budding, laboratory problem in yeast 

 cells, 248-249 ; method of reproduc- 

 tion, 248-250; of hydra, 249-250; 

 of sponges, 253 



Bulbs, propagation by, 262-263 



Burbank, Luther, experimental methods 

 of, 14 ; fruit improved by, 347-349 ; 

 on potato blight, 344 



Calcarea, 521 



Calcium, need for, 111 



Calkins, Dr., experiments on regenera- 

 tion, 56 



Calorie, defined, 93 ; needs, 105 



Calorimeter, measurement of human 

 energy by, 189 



Calyx, of flower, function of, 274 



Canning, 400 



Capillaries, broken, 168 ; function of, 

 157 ; in lungs, 179 ; pressure in, 157 ; 

 structure of, 157 



Carbohydrates, manufacture of, 36-37 ; 

 metabolism of, 188 ; constituents of, 

 36-37 



Carbon cycle, 409 



Cardiac opening. See Stomach, parts of 



Carnivora, animals of Order, 527 



Carrell, Alexis, cultivation of cells, 54- • 

 55 ; preparation of Dakin solution, 55 



Cartilage, functions of, 79-80 ; kinds, 79 



Catalytic agents, in digestion, 38 



Catarrh, cause of, 474 



Cebidae, 527 



Cell, absorption in green, 34-35 ; amitosis 

 in, 60 ; assimilation in, 39-40 ; cviltiva- 

 tion of, 54-55 ; digestion in green, 38 ; 

 direct division of, 41, 60; discovery 

 of nucleus, of, 27-28; division of, 41 ; 

 excretion in green, 40 ; food manufac- 

 ture of studies of, 36-38 ; functions 

 of green, 34-40 ; history of, 27-33 ; 

 growth and division, 40, 41, 53-64; 

 inclusions in, 37 ; indirect division of, 

 60-63 ; irritability in green, 40-41 ; 

 key to all biological problems, 29-30 ; 

 laboratory study of Elodea, 28-29 ; 

 laboratory study of onion, 25-26 ; 

 laboratory study of narcissus leaf, 30- 

 31 ; laboratory study of Spirogyra, 

 31-33 ; mitosis of, 60-63 ; named and 

 described by Hooke, 27-28 ; nature 

 and composition of, 53-55 ; primary, 

 269, 285 ; relation to heredity, 55 ; 

 respiration in green, 38-39 ; resting 

 and dividing, 53-64 ; sex, 269 ; somatic, 

 269 ; structure of, 30 ; theory, 28, 30, 

 52, 64 ; typical animal, 42-52 ; unit of 

 function of organism, 30 ; imit of 

 structure of organism, 30, 53 ; 73 ; 



