INDEX 



Leprosy, 65 



Life: created by life, 4, 37; 

 destroys life, 113; not 

 physico-chemical in or- 

 igin or nature, 35, 131, 

 186; origin of, unknown, 

 89 



Limestone formed by fora- 

 minifera, 81-84 



Loeb, Prof., experiments 

 on living embryos, 38-39 



McBride, E. W., on nat- 

 ural selection, 14 



MacCallum, Prof. W. G., 

 fever a protective reac- 

 tion, 142 



Metchnikoff's theory of 

 immunity, 128 



Microbes the beginning 

 and the end of life, 74 



Milton's conception of cre- 

 ation, 2 



Mind: back of all nat- 

 ural laws, 152; can be 

 felt, 195 



Multicellular antagonistic 

 to unicellular forms, 103- 

 105 



Nageli, Prof. Carl W., on 



the Darwinian theory, 11 

 Natural selection, 7, 11-12; 



opponents of the theory, 



14^19 

 Nucleus, 24, 42; in foraml- 



nifera, 83 

 Nuttall, Prof. George H. 



F., on blood tests, 51 



Opinions, how formed, 187- 

 188 



Opsonins, bacteria de- 

 stroyers, 105 



Orthogenesis, or predeter- 

 mination, 28 



Osborn, Prof. H. F., on the 

 Darwinian theory, 15 



Pangenesis, 101 



Pearson, Prof. Karl, on the 



Darwinian theory, 10 

 Pituitary gland, 144; acro- 



megaly caused by disease 



of, 144 

 Protoplasm the physical 



basis of life, 22 

 Protozoa, 77-78 

 Pyrrhonists, 180 



Repair, power of, in an- 

 imals, 46-48 



Reproduction and hered- 

 itary descent inseparable 

 from life, 44 



Responsibility is of per- 

 sons, not of things, 191- 

 193 



Roux, Prof. Wilhelm, on 

 the Darwinian theory, 14 



Salamander, power of re- 

 pair, 46-47 

 Sarcode, 82-83 

 Sarcoma, 31, 113-117 

 Skepticism, definition of, 

 180; contrasted with in- 

 credulity, 181 

 Skin grafting, 114-115 

 Sleeping sickness, 78 

 Smallpox an ancient dis- 

 ease, 65; germs contrast- 

 ed with yellow-fever 

 germs, 66-67 



205 



