114 



INDEX 



Diffusion, of colloids, 20 



of NH4OH and NaOH in agar, 68 



patterns, 28 

 Digestion of starch by amylase, 24 

 Dragon-fly nymph, rectal respiration of, 106 

 Dyspnea, 104 



Earthworm, heart of, 92 

 Electrical charge and surface tension, 12 

 stimulation, of amoeba, 32 



of cilia, 38 



of human nerves, 50 



of Spirogyra, 32 

 Electrocardiogram of frog, 86 

 Electrodes, non-polarizable, 4, 40 

 Emulsion, reversal, 20 

 Engelmann's incisions in heart, 84 

 Enzymes, 22-26 

 Epithelium, model of, 32 

 Eriocyanin, for perfusion of liver, 76 

 Erythrocytes, permeability of, 68 

 Erythrodextrin, 24 



Fatigue, 48, 52 



Fenn respirometer, 108 



Ferrocyanide membrane, 66 



Films, experiments on, 10-12 



Flagellum, model of, 36 



Foraminifera, shells, model of, 26 



Friedlander's experiment on earthworm, 2 



Fungus, model of, 30 



Hardy's rule, 20 

 Heart, 78-96 



mammalian, model of, 90 



Ostwald's physical, 26 

 Homostrophic reflex, in earthworm, 6 

 Human muscle, contraction of, 48 



respiratory movements, 104 

 Hydrogen ion concentration of blood, 100 



ions, 16-18 



effect on amylase, 26 



peroxide decomposition by catalase, 22 

 Hyoglossal muscle in frog, 52 



I 



Imbibition, 18 



Indicator method for determination of pH, 16 



Indigo carmine, injection of, in frog's kidney, 



74 

 Induction coil, 40 

 Inhibition, in crustacean limb, 54 

 in frog's heart, 84 

 in reflex action, 60 

 in turtle's heart, 88 

 Insects, accessory hearts in, 92 

 Iodine test for amylase digestion, 24 

 Ions, 14-18 



effect on cilia, 34 



crustacean heart, 94 

 molluscan heart, 94, 96 

 muscle, 58 

 turtle's heart, 88 

 stimulation of frog skin by, 60 

 Iron wire model of nerve, 64 

 Irradiation of reflexes, 60 

 Irritability changes in cardiac cycle, 80, 82 



Galvani's experiment, 46 

 Galvanotropism, in artificial plants, 30 



in earthworm, 4 



in Paramecium, 38 

 Gaskell's clamp, 84 

 Gastrocnemius-sciatic preparation, 42 

 Geotropism, in ants, 8 

 Gerris, support of, on water film, 12 

 Goldfish, opercular movements of, 78 

 Gravity, effect on orientation of ants, 8 



H 



Haemocyanin, function in Limulus blood, 104 

 Haemoglobin, O2 transport by, 102 



Kidney, perfusion in frog, 70 



Leech, circulation in, 92 

 Liesegang rings, 32 

 Limulus, blood of, 104 

 Lipoid-protein membrane, 66 

 Liver, perfusion of frog's, 76 

 Lobster, heart of, 94 



neuromuscular mechanism in claw, 54 

 Locomotion, of earthworm, 2 

 Lung, model of, 106 



