ANALYTICAL INDEX 



Syphilis, apparent hereditary 

 transmission of, explained by ' a 

 peculiar mode of infection' (1826), 

 184. 



Systematic work, provisional nature 

 of conclusions of, 76, 'j']. 



Systematist, continuity the diffi- 

 culty of the, XV, 59, 60, 67 : how 

 affected by views of the Origin, 46, 

 47, 59. 



Tae7iioca7npa populeti, 157 n. i. 



Tail of lizard and Lamarckism, 

 1 14 ; directive value of lizard's, dor- 

 mouse's, and squirrel's, 325 ; warning 

 sound made by vibration of snake's, 

 324 ; head of model resembled by 

 mimic's, 254, 368. 



Tails and ears, mutilation of, not 

 hereditary, 180, 181. 



' Tails ' of butterflies' wings, value 

 of, 281, 282, 325, 325 n. I, 351. 



Tait, Professor, on the age of the 

 earth, 2, 8, 15, 24 ; on the cooling of 

 the earth, 11, 12. 



Tardigrada in classification, 33. 



ta7'sata, PonerUy with ant-like bug, 



254, 255. 



Tarucus plinuis, 283, 284. 



Ta-tsien-lu, W. China, home of 

 mimics of male //. ?nisippus, 217: 

 see also 3S2-3. 



Taungyah Pass, Dawnat Range, 

 Burma, 287. 



Teeth, Lamarckian interpretation 

 of forms of, 114, 115. 



Tegetmeier, W. B., breeding ex- 

 periment suggested by Darwin to, 



79- 



Telegony, supposed example of, 



185. 



TelepJioridae mimicking Lycidae, 



276. 



telesiphe, Colaefiis, a mimic of a 

 rarer Heliconius, 334 n. 2. 



telesip/ie, Helico7iius, though rarer, 

 the model of C. telesiphe, 334 "• 2. 



te77i77ii7ickii, Macroclc77i77iys, with 

 worm-like lures, 378. 



Temperature (see also External 

 Causes) : increment of, with depth 

 into earth's crust, 10; a stimulus to 

 change in the pupae of moths, 311 ; 

 of Byblia, 341 ; of A7-asch7ua, 342 : 

 seasonal changes of Pieri/Kic effected 

 by moisture and, 311, 312. 



warning 



Tenacity of life and 

 colours, 316. 



Te7iaris, * eye-spots ' of, 326 ; much 

 mimicked (by Elynniiituu', Hypo- 

 li7)uiasy and Papilio), 326. 



Tenasserim, nests of Mic7ohierax 

 with insects' wings found in, 290, 291 , 

 291 n. I. 



TentJi7edi7ndae^ see Saw-flies, 238- 

 9j 320. 



Teracolus^ seasonal changes in, 

 311, 312, 341, 342; experiments on 

 physiological cause of seasonal 

 changes in, 311, 312; combination 

 of procryptic and mimetic colouring 



in, 341, 350- 



Teracoliis acJiine, 311, 342; — 

 a7iiig07ie, 342; — etrida, 231, 349; 

 — eve7ii7ia^ 342; — 077ip/ia/e, 311, 

 342; —regi7ia, 341. 



Teratology, the material of, valu- 

 able for study of individual develop- 

 ment, valueless for evolution, xxxix. 

 xl ; Prof. Windle on, 136 n. i. 



Ten'as, found in stomach of Fit/co 

 subbtiteo^ 284. 



Te7-ias hcc(dh\ 2S8. 



Ternate, Moluccas, Wallace dis- 

 covers Natural Selection at, 194-5. 



Te7'Psip]i07ie perspicillata, 2 S3. 



Terrapin, with worm-like lures, 



378. 



Terror, in man and animals, in- 

 spired by snake-like caterpillars, 367 

 367 n. 2, 368. 



Tertiary, brain of Secondary rej)- 

 tiles compared with, 29 : brain of 

 later mammals compared with early, 

 29 ; oldest Pteropoda not known 

 before, 42. 



tcssellaia^ Mtiui, carrying sea- 

 anemones, 357. 



Tettix^ mimicry of leaf-carrying 

 ant by, 260. 



Textularia, an existing i^cnus in 

 the Carboniferous, 27. 



Thabeitkyin, Upper Burma, 291 



n. I. 



Thayer, Criticism ok the 

 Statement that Animals are 

 Conspicuous hy, X. 321-3. 



Thayer, A. li., results obtained 

 by, quoted in Kssay X. 293: on 

 resemblances to dead leaves, 299 ; 

 on neutralization of shadow, 299, 

 300 : adjustable form of principle of, 

 300; on conspicuousness 



of the 



