Judex 



K): 



Taxonoinist, i, 213 



Terms, of oxygen, ii, 202; of life. 

 207 



'IVtaiiv, i, 117, 135 



'rclliciiii, ii, 123 



TlK'ory, of struclive of jn-oto- 

 })]asm, i, 138; wrong Ix-ttcr than 

 none, 292; Leil)nitzian. ii, 1.50; 

 of organisms, and of knowledge, 

 152; elemenlalist, 157; iropistic 

 and segmental, of nerve action, 

 185; of tropisms, 232; of aj)per- 

 eeption, 232; of knowledge, 29(); 

 of consciousness, 2})(> 



Tliomson, J. A., i, 30}) 



Threshold of excitability, ii, 1<>5 



'I'hynuis, ii. 111 



Thyroid, ii, 121; aj)])aratus, 111-; 

 effect of removing, 115, 117; 

 trij)le alliance with pituitary 

 and adrenal, 127; sul)stanc<-, 

 143; organ-transforming sul)- 

 stance from, 145 



Tissue, laboratories, i, s:i; mix- 

 tures, 143; cultures, 1()8; falla- 

 cious teaching about, 240; of 

 multicellular organisms, 28 1; 

 isolated, 294; of trees, specific- 

 ity of, ii, 58 



Toads, ii, 76 



Tonniges, C, i, 32(» 



Torrey, H. B., ii, 97 



T<)ti|)otence, theory of, i, 202 



Transformation, essence of evolu- 

 tion, i, 41 ; hereditv works by, i, 

 312, 322; of substances, ii, 72, 

 287 



Transmission, in ccumection with 

 heredity, i, 312 



Transmutation of metals, ii, 288 



Transcendentalism, ii, 233 



Treviranus, i, 5 



Trial and error, ii, 2>>2, 2M) 



.Trichocysts, i, 326 



'i'rij)ylea, i, 278 



'i'ropism theory, essentially an or- 

 ganismal theory, ii, 188; relation 

 to apj)erce})tion, 232 



Tropisms, explained l)\ organism, 

 ii, 190; organismal nature of, 

 239; automatic and anticipatory 

 character of, 241 ; higher ra- 



tional life and, ' 

 Tropistic and higiiri p^vmu «< - 



livity, ii, 22U 

 'iropistic mechanism, ii. !'''• 

 Trojjistic tlK'ories of nrrvr nrtion. 



ii, IH5 

 Truth, idtimatr, ii. i;,.». >89 

 Trypsin, i, loii 

 I'ype, i, 7 

 Tyranny, of the whole, ii. 15H 



ritimatr, proi»lini, i, 35; criterioi 

 of, ii, ! W», JO! ; |)artieles, ii, 151, 

 truth, 152. 175, 2H9; elements. 

 228 



ntramicroscopic organisms, i, .»«»5 



Inic-ellular, i, 290 



I'nits, representative, i, 30(j 



I'nity, tlu" organism the "only 

 real," i, 1 ,», 2i\, 205; physiolog- 

 i<al, 11; of th<- indi\idual, 'X\; 

 thought of, ii, 150 



I'ranium H., ii, 311 



rtility, racial, ii, 251; natural se- 

 lectionist meaning of, 261 



\'ariation, ii, 245 



N'ertebrates, man a, because moth- 

 ers were, ii, 43 



\'erworn, M., ii, J7f> 



N'etch, ii, IO<i 



N'irgin propagation, i, 352 



N'ital force, ii, I 1!) 



N'italism, i, 113; author's attitncK* 

 toward, ii, 207 



\iviparous bony fishes, mating 

 habits of, ii, 2<»5 



N'olition, ii, 161 



Wallace, A. |{., ii. 278 



Waller, H. K., ii, 126 



Warblers, ii, 264 



Wasps, instincts, variidiility of, ii. 



251; excessive action «»f, 2(»8 

 Wassermann, i, 258 

 Watasc, S.. i. 221 

 WCbber, 11. .1., i, :W() 

 Weismann, A., studies <»f srx-<TlU 



in hydroids, i, (»<»; («r!tr's rv- 



sults i*ontrar\ to. JiS; inrtapln s- 



ics of, 2.V., 3 IS 

 W hale, breaching of, ii, 257 

 \\ heeUr, W M. wiisr of snirll. 



