312 



INDEX 



KNOWLEDGE, value of, 150, 229, 

 242 



LAW, Divine, 245 



Locomotion and nervous develop- 

 ment, 61. See also Muscular 

 System 



Love, 139, 180, 243 



MAGOSPH^ERA, 40 



Mammals, 85, 92 ; oviparous, 86 ; 

 marsupial, 87 ; placental, 88 ; 

 temporarily surpassed by rep- 

 tiles, 195 



Man, 210, 219 ; anatomical char- 

 acteristics, 92 ; mental and 

 moral characteristics, 99, 112, 

 147, 150, 219, 242 ; relation to 

 nature, 210 ; animal, 213 ; 

 moral, 220; religious, 224; 

 hero, 227 ; future, 228, 231 



Materialism, 165 



Mesoderm, 45 



Mind, 115, 144 ; amoeba, 33 



Mollusks, 58, 106 



Motives, 136, 148 ; sequence of, 



143 

 Muscular system, 309 ; hydra, 



38 ; worms, 62 ; insects, 68 ; 

 vertebrates, 73, 108, 216 



NAGELT, 288 



Natural selection, 12, 152, 278 



Nature, 9, 28 



Neo-Darwinians and Neo-Lam- 

 arckians, 296 



Nervous system, 102 ; hydra, 38 ; 

 turbellaria, 48 ; mollusks, 59 ; 

 annelids, 63 ; insects, 69 ; ver- 

 tebrates, 74 



Notochord, 74, 79 



ONTOGENESIS, 26 



PHYLOGENESIS, 26, 100, 310 

 Placenta, 88 



Prayer, 259 

 Primates, 91 



Productiveness and prospective- 

 ness, 193, 200, 202 

 Protoplasm, 32, 34 

 Protozoa, 39 



REFLEX action, 125, 135, 146 



Religion, 166, 224, 262 



Reproduction, 309; amoeba, 32, 

 35 ; hydra, 38; magosphsera, 

 40 ; volvox, 41 ; turbellaria, 

 50; annelids, 62; insects, 66; 

 vertebrates, 73. See also Size 

 and Surface and Mass 



Respiration, amoeba, 35 ; worms, 

 48, 63 ; insects, 66 ; verte- 

 brates, 77, 84 



SEQUENCE of functions, 80, 109, 

 174, 309 ; condensed history of, 

 100, 152, 221 ; reversal of, 154, 

 205 



Sexual reproduction, 33, 37, 41 



Sin, 245 



Size, 35, 51, 72, 76, 89, 214 



Skeleton, 58, 74 ; mollusks, 59 ; 

 insects, 65, 67, 71 ; vertebrates, 

 74, 82 



Social life, 182, 217 



Socrates.. 161, 189, 200 



Specialization, 236, 239 



Struggle for existence, 11, 158, 

 277 ; mitigation of, 217 



Surface and mass, 35, 50 



TISSUES, 42 

 Turbellaria, 46, 102 



VERTEBRATES, 73, 81, 107 ; 



primitive, 77 

 Volvox, 40 



WEISMANN, 290 



Will, 136 



Worms, 56 ; schematic, 52 



