INDEX. 



Acorus calamus, 20. 



Acrogens, 27. 



Actinia, 32. 



Agassiz on constancy of specific 



forms, 193. 



Aire, Yorkshire river, 48. 

 Algae, 27. 



Alisma plantago, 20. 

 American Flora, richness of, 13. 

 Amiens and Abbeville, flint instru- 

 ments found at, 48. 

 Ammonites sublsevis, 100. 



distribution of, 102. 



Amorphozoa, 85. 



Animals collected in four great 



groups, 27. 

 Annelida, 89. 

 Anomia, 32. 

 Anonaceae, 145. 

 Anstice, Mr, discoveries at Coalbrook 



Dale, 116. 



Antiquity of the Earth, 119. 

 Aptenodytes, propulsive organs of,35. 

 Araceae, 27. 

 Araucariae, 144. 



Aristotle's classification of Nature, 25. 

 Articulata, 27 ; jointed feet, 33. 

 Astacidae distinct from Palinurus, 35. 

 Asterophyllites, 144. 

 Atmosphere supplies gaseous ele- 

 ments, 6; changes of, 163. 



Australian Life compared to the 



Stonesfield Fossils, 171. 

 Axis of earth, change of, 160. 



B. 



Barrande, species of fossils detected 

 in Bohemia, 71. 



Bat,affinity of the, 30 ; hooked finger, 

 43. 



Birds, Struthious, 23; fossil, 118. 



Boring into solid substances by ani- 

 mals, 36. 



Brachiopoda, 23, 91. 



Bray Fossils, 70. 



Brodie, Fossil Insects, 117. 



Brongniart on carboniferous Flora, 7. 



Bryozoa, 29. 



Buffon on the germs of life, 182. 



Butomus umbellatus, 20. 



C. 



Cacteacea?, 144. 



Cambro- Silurian Life, 212214. 



Caradoc formation, 73. 



Carnivora in relation to Herbivora, 



8. 

 Carpenter's description of Terebra- 



tula?, 92. 



Cassowary, the, 24. 

 Cataclysms, 178. 

 Catarhine Quadrumana, 14. 

 Jaulopteris, 144. 



