92 



INDEX 



INTUSSUSC^TIO J v 15 . 



Irritability, 33 



KARYOKINBSIS, 21 

 Kinetic energy, 48 

 Knight, 37 



LAMELUE, 45 

 Larva, 69 

 Latency of life, 16 

 Leduc, 12 

 Leucocytes, 43 

 Lignin, 20 

 Linin, 19 

 Lipase, 50 

 Liver, 49 



Looomotory organs, 44 

 Loeb, 12, 38 

 Lungs, 30 



MALTASE, 50 

 Maturation, 58 

 Ma upas, 69 

 Meckel, 63 

 Mesoblast, 61 

 Mesoderm, 61 

 Metchnikoff, 85, 88 

 Mimosa, 35, 39 

 Minot, 85, 88 

 Mitotic, 21 

 Molecule, 47 

 Morphology, x 

 Morula, 60 



NEGATIVE heliotropism, 39 

 Nervous system, 31 

 Nucleus, 18 

 Number of nuclei, 19 



OBELIA, 56 

 Ontogeny, x 

 Ovum, 54, 59 

 Oxalates, 18 

 Oxidation, 14 

 Oxytropism, 40 



PALEONTOLOGY, 78 

 Pancreas, 49 

 Paramoecium, 18, 24, 26 

 Parenchyma, 62 

 Parthenogenesis, 67 

 Peneeus, life history, 64 



I 'Pepsin-, 49 



rhaiierogams, 56 

 Photosynthesis, 51 

 Phylogeny, x 

 Physiology, x 

 Potential energy, 47 

 Powers of increase, 75 

 Preformationist creed, 59 

 Protein, 14, 53 

 Protoplasm, 14, 35 

 Pseudopodia, 27 

 Ptyalin, 49 



REINTEGRATION, 14 

 Reversion, 81 



SCOPE of Biology, ix, x 

 Segmentation, 60 

 Self-fertilisation, 56 

 Senescence, 86 

 Setae, 28 



Seton, E Thompson, 77 

 Sexual differentiation, 57 

 Shape of nucleus, 19 

 Size of cells, 17 

 Skeleton, 24, 26, 44 

 Soma, 25 

 Sperm, 54, 59 

 Spindle, 22 

 Spireme, 22 

 Stimuli, 34 

 Stomata, 51 

 Structure of cells, 17 

 Suberin, 20 



THEORIES of natural death, 85 

 Thigmotropism, 34 

 Thomson, J. Arthur, ix 

 Trehalase, 50 

 Tropisms, 34 



VACUOLES, 20 

 Vascular bundles, 29 

 Venation of leaves, 44 

 Volvox, 24 



WALLACE, Alfred Russell, 77 

 Weismann, 82 

 Wolff, 59 



YUNG, 69 

 ZOOLOGY, ix 



7/13 



Printed by BALLANTYNE, HANSON & Co. 

 Edinburgh 6* London 



