INDEX 



ACIDASPIS 

 Acidaspis dujresnoyi, 267 

 Adaptation, some aspects of, 131 

 Adaptations to drought, 67 ; birds 



and insects, 132; not effected by 



use, 260 ; of plants, animals, and 



man, 305 

 sElusaitrus felintis, early reptile, 199 

 Agassiz, A., on deposition by 



Mississippi, 178 

 Allegory, a physiological, 296 

 Allotropy of elements, 387 

 Alpine floras not exceptionally rich, 



35. 37, 80 

 Amblypoda, a sub-order of Ungulata, 



219 

 America, flora of tropical, 55 

 American bison, former enormous 



population of, 115 

 Ammonites, eccentric forms of, 267 

 Amceba, description of, 335 

 Amphibia, earliest forms of, 195 

 Ancyloceras matkeronianum, 269 

 Andrews, Dr. C. W., discovers 



ancestral forms of elephants in 



Egypt, 228 

 Animals, numerical distribution of, 83 ; 



much less sensitive than man, 376 

 Anoplotherid.e, ancestral ruminants, 



227 

 Anoplotkeriiim commune, skeleton of, 



227 

 Antelopes, recognition-marks of, 160 

 Archaopteryx macntra, 214; siemensi, 



skull of, 215 

 Arctic lands a birds' paradise, 140 

 Argyll, Duke of, on humming-birds, 



165 

 Armstrong, Professor H. E., on 



importance of carbon, 364 ; on 



directive influences in growth, 390 

 Arrhenitjs, Professor, on an eternal 



universe, 352 



birds 

 Arsinoitheri it7)i zitteli, skull of, 223 

 Astropotheria, extinct ungulates, 



235 



Atlantosaurtis immanis, a huge dino- 

 saur, 204 



Atoms, early ideas of, 387 



Australia, extinct mammals of, 239 



Babirusa, tusks of, 275 

 Ballota nigra, local distribution of, 14 

 Balsams, dyes, oils, etc., variety of, 327 

 Bate-Hardy, Mr. W., on arrange- 

 ment of identical atoms in carbon 



compounds, 356 

 Beccari, Dr., on forest flora of 



Borneo, 47 ; on first and second 



grade species, 96 

 Beetle mimicking wasp, 157 

 Beetles, number known, 85 ; peculiar 



British, 125 

 Being, grades of between us and 



Deity, 393 

 Bird, earliest known, 287 

 Bird and insect co- adaptation, 132 ; 



teachings of, 152 

 Bird's wing, the ideal aimed at in, 



288 ; a feather, detailed structure of, 



289 ; its annual regrowth, 291 

 BiRD-CpLOUR, extreme diversity not of 



survival value to them, 319 

 Bird-migration, origin of, 148 

 Birds, of New Guinea and Borneo, 49 ; 

 species of, 86 ; of six geographical 

 regions, 89 ; peculiar to Britain, 

 125, 126; arrival of, in Arctic 

 regions, 140, 142 ; number of species 

 in Arctic regions, 145 ; recognition- 

 marks of, 162 ; the earliest, 213 ; 

 recently extinct, 243 ; loss of teetli 

 in modern, 270 

 Birds and insects, proofs of organising 

 mind, 286 



101 2 D 



