550 



INDEX 



Mallophaga ; Book lice ; see Cor- 

 rodentia; Plant lice; see Rhyn- 

 chota ; True lice (on man) ; see 

 Siphunculata. 



Life, 2-4, 5-12, 94-100, 144-156, 

 442-478 ; colonization of, 95 ; 

 continuity of, 16; cooperation of, 

 94; death vs., 17; distribution 

 of, 442-446; energy of, 11-12; 

 evolution of, 15-16, 43, 92; 

 geographical conditions vs., 447- 

 453; happiness in, 537; harmony 

 of, ' 536; history of, 144-156; 

 influences on, 442-446; laws of, 

 i, 48, 535; leadership in, 98; 



manifestations of, 3-4; origin of, 

 3 ; protoplasm the vital element 

 of, 5-6; rhythm of, 12; socialism 

 of, 94-100; specialization of, 99; 

 symbiosis, 94; uniqueness of, 2; 

 zones of, 454-478 ; see also Evolu- 

 tion; Man; Protozoa; etc. 



Light, 33. 



Lilium canadense, 63, 69. 



Lillie, Frank R., 87. 



Limax, 246. 



Limbs, of vertebrates, 329, 332-334. 



Limulus polyphemus, 260. 



Lineus, 233. 



Lingula, 227, 228. 



Linkage, 69, 70. 



Linnsea borealis, 168. 



Linnsean classification, 169-173. 



Linnaeus, Carolus (Carl v. Linne), 

 164-174, 422, 435; boyhood, 164- 

 165; college life, 166; "privat 

 decent," 167; explorer, 167; 

 physician, 169; professor of 

 botany, 169; system of classi- 

 fication, 169-173 ; death, 173-174. 



Lions, tigers (cat family) ; see 

 Felidse. 



Lister, Joseph, 485. 



Litchfield, Henrietta, 114. 



Littoral Zone, 473, 474, 477. 



Liver, 30. 



Lizards (Reptilia), 39, 364. 



Llama (Camelidae), 142. 



Locusts (Orthoptera), 313-319. 



Loeb, Jacques, 37, 75, 76. 

 Longfellow, H. W., 516. 

 Lowell, J. R., 516. 

 Loxodonta, 428. 

 Lucilia, 278. 

 Lull, R. S., 418. 

 Luna, 289. 

 Lungs, 36. 

 Lutz, F. E., 279. 

 Lycaon, 404. 

 Lydekker, Richard, 416. 

 Lyell, Sir Charles, in. 

 Lymnaea, 231, 247. 

 Lysophiuroida, 222. 



Macropus giganteus, 398. 



Maistro, Xavier de, 281. 



Malacostraca, 259. 



Malaria, parasite of, 191, 203. 



Mallophaga, 272. 



Malthus, "On Population," 107. 



Mammals (Mammalia), 182, 340, 



34i, 373, 396-4i 6 > 432, 435; 

 characteristics, 396; see Eutheria; 

 'Prototheria. 



Mammoth, 426. 



Man (Homo sapiens europseus), 175, 

 176, 341; ancestry, 429; char- 

 acters of, 435-438; diseases vs. 

 development of, 489-491 ; eu- 

 genics vs., 500-509; evolution of 

 (protozoan to hominideean stages), 

 429-434; history vs., 492-499 ; 

 relatives of, 438-441; sociology 

 vs. biological viewpoint, 530-534. 



Mandible, 329-330. 



Mangold, G. B., 534. 



Mantidse, 318; mantis religiosus, 

 281, 318. 



Marcou, Jules, 519. 



Marmosa, 432. 



Marmota, 407. 



Marriage vs. eugenics, 500-507; set 

 Eugenics. 



Marsh, 155. 



Marshall, A., 363. 



Marsupials, 397-398, 433- 



Mason, Dr. O. T., 526. 



Mastax, 235. 



