892 Index 



Theories — Cont'd 



Creation, 735 



Darwin's, 726, 746 



demonic, 517 



de Vries', 747 



Eimer's, 747 



gene {see Genes) 



germ, 518 

 plasm, 706 



humoral, 518 



hybridization, 748 



Lamarck's, 746 



membrane (nerve), 498,* 498-502 



Moore's, 734 



mutation, 747 {see also Mutation) 



natural selection, 729, 746 



organicism, 847 



organismal, 847 



orthogenesis, 847 



Osborn's, 735 



parallelism, 738* 



Pfliiger's, 734 



pythogenic, 518 



recapitulation, 442 



species specificity, 88 



"struggle for existence," 729, 747 



surface tension, 345 



"survival of fittest," 747 



transcendental (Creation), 735 



Troland's, 735 



viscosity, 345 



Weismann's, 706, 747 

 Thermophile, 122, 170 

 Thermotropism, 243, 348 

 Thigmotropism, 243, 346,* 348* 

 Thorax (thoracic), 318, 319, 329, 340, 



490* 

 Thrips, 557* {see also Insects) 

 Thrombin, 486, 487 

 Thromboplastin, 486, 487 

 Thrombus, 487, 659 

 Thumps, 539 

 Thymus, 507,* 509, 512 

 Thyroid, 507, 507,* 511 

 Thyroxin, 511 {see also Endocrine 



glands) 

 Thysanura {see Insects, orders of) 

 Tibia, 394, 394,* 400, 401,* 423,* 425, 

 462,* 466 



Ticks, 543 



Tiedemann's body, 302* 

 Time chart, 614-618 

 Tissues, 46-61, 647 



adipose, 49, 50* 



animal, 46-55, 48,* 50,* 51,* 52,* 

 54* 



areolar, 49, 50* 



bast, 214 



blood and lymph, 50, 51* 



Tissues — Cont'd 



bone (osseous), 49, 50,* 51* 

 cambium, 59, 141,* 143, 145,* 207, 

 214, 221, 222 



cartilage, 49, 50* 



chlorenchyma, 56, 229 



collenchyma, 55, 56 



companion cells, 56, 57,* 60, 192, 



209, 214, 216, 224 

 conducting, 57,* 59, 207-216 

 connective, 46, 49, 50* 

 cork (plant), 55, 56, 57,* 59 

 cortex (cortical), 214, 220, 222 

 endodermis, 197,* 216, 220, 223* 

 epidermal (epidermis), 55, 56, 57,* 



58,* 195, 197,* 209-216, 220- 



222, 223,* 224,* 368, 421, 

 422,* 459, 460* 



epithelial, 46, 48, 48,* 283,* 284,* 



459-461 

 fibrous, 49, 50* 

 germinal, 48, 48* 

 goblet, 48 

 mechanical (plant), 57,* 59, 220, 



223 



medullary (rays), 59, 60, 221 

 meristematic (growth), 55, 56, 57,* 



207, 214, 215 

 mesophyll, 224-229 

 muscular, 47, 52,* 53* 

 nervous, 47, 54, 54,* 55* 

 neuroepithelium, 47 

 pahsade, 215, 224 

 parenchyma, 55, 56, 57,* 59, 60, 



185, 197,* 209, 214, 216, 220- 



223, 223* 

 pericycle, 197,* 214, 216, 220 

 phloem, 56, 57,* 60, 191-198, 197,* 



209-216, 220-222, 223* 

 pith, 213, 214 



plant, 55, 56, 57,* 58,* 59, 60 

 plasma, 51 

 rays, 214 



reproductive, 48, 48* 

 reticular, 49, 50* 

 sclereid, 55, 57,* 59 

 sclerenchyma, 55, 57,* 59, 197,* 209 

 sieve plate, 57,* 60, 209, 214 

 spongy, 206-218, 224 

 stele, 214, 216 

 tracheal tube (vessel), 56, 57,* 59, 



207-216 

 tracheid, 56, 57,* 59, 207-216, 220, 



224 

 tube, 56, 57,* 60, 192, 209-216, 220, 



224 

 vascular bundle, 191-198, 197,* 200- 



205, 222, 223* 

 white fibrous, 49, 50* 



