INDEX 



Acidaspis dufresnoyi, 288 

 Adaptation, some aspects of, 141 

 Adaptations to drou<j;ht, 72; binls 



and insects, 143 ; not eflected by 



use, 280; of plants, animals, ami 



man, 329 

 A^Jlusmtrufi felinus, early reptile, 215 

 Agassiz, a., on deposition by 



Mississippi, 192 

 Allegory, a physiological, 319 

 Allotropy of elements, 417 

 Alpine floras not exceptionally rich, 



38, 40, 8G 

 Amblypoda, a sub-order of Ungu- 



lata, 235 

 America, flora of tropical, 59 

 American bison, former enormous 



population of, 124 

 Ammonites, eccentric forms of, 288 

 Amceba, description of, 361 

 Amphibia, earliest forms of, 210 

 Ancyloceras matheronianum, 290 

 Andrews, Dr. C. W., discovers an- 

 cestral forms of elephants in 



Egj'pt, 245 

 AnimalSj numerical distribution of, 



89; much less sensitive than man, 



405 



Anoplotherid.^, ancestral rumi- 

 nants, 245 



Anoplotheriuin commune, skeleton 



of, 244 



recognition-marks of, 



Antelopes, 



172 



ArchcBopteryx macriira, 230; sie- 



mensi, skull of, 231 

 Arctic lands a birds' paradise, 151 

 Argyll, Duke of, on humming- 

 birds, 177 

 Armstrong, Professor H. E., on 

 importance of carbon, 393: on 

 directive influences in growth, 



420 

 Arrhenius, Professor, uu an eter- 

 nal universe, 379 

 Arsinoitherium zitteli, skull of. 240 

 ASTROPOTiiERiA, extinct uniiulatcs, 



251 



433 



Atlantomxirua immanis, a huge dino- 

 saur, 220 

 Atoms, early ideas of, 417 

 Al'STRALIA, extinct tnainniMls (if, 

 25C 



Babirusa, tusks of, 29G 



Ballota nigra, local distiiljiitioii of, 

 15 



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

 352 



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

 ment of identical atoms in carbon 

 compounds, 384 



Beccari, Dr., on forest flora of 

 Borneo, 56 



Beetle mimicking wasp, 169 



Beetles, number known, 91 ; pecul- 

 iar British, 135 



Being, grades of between us and 

 Deity, 423 



Bird, earliest known, 309 



Bird and insect co-adaptation, 142; 

 teachings of, 164 



Bird's wing, the ideal aimed at in, 

 308; a feather, detailed structure 

 of, 309; its anniuil regrowth, 311 



Bird-colour, extreme diversity not 

 of survival value to them, 344 



Bird-migRj\tion, origin of. 159 



Birds, of New CJuinea and Borneo, 

 53; species of, 93; of six geo- 

 graphical regions, 96; peculiar to 

 Britain, 13.'), 13t): arrival of. iti 

 Arctic regions. 151, 153: number 

 of species in Arctic region-^. l.")7: 

 recognition-marks of. 175: the 

 earliest, 229; recently extinct. 

 200: loss of teeth in m'odern. 2;il 



Birds and insects, proofs of or- 

 ganising mind, 309 



l?iKi)S OF Parauisk, new types of, 



2!)7 

 Bison, former great population of 



in America, 124 

 BoLis. Mr. II.. on flora of ( ape 



])eniii>^iila. 40: on orcliids of ('aj)e 



peninsula. 41 



