INDEX 



Absorption, 163. 



Accessory reproductive organs, 144. 



Achromatin, 50. 



Action of protoplasm, 26. 



Adventitious buds, 88. 



JEtiology, 7. 



Afferent nerves, 138. 



Agamogenesis, 88. 



Albumen, 37. 



Alimentary canal, 123, 125. 



Alimentary canal, histology of, 157-159. 



Alimentation, 124. 



Alternation of generations, 89. 



Amoeba, 26, 42. 



Anacharis, 29, 46. 



Analogy, 176. 



Anatomy, 8. 



Antheridium, 94. 



Aortic arches, 130. 



Apical bud, 69, 81. 



Apical cell, 81-83. 



Apogarny, 102. 



Apospory, 102. 



Appendages, of Pteris, 69. 



Archegonium, 96. 



Archenteron, 148. 



Arrangement of leaves, 70. 



Atwater, 106. 



Automatic action, 32, 129. 



Axis, of Pteris, 69. 



Bacteria, 165, 175. 



Balance sheet of nutrition of Pteris, 109. 



Bast-fibres, 75, 78. 

 Bilateral symmetry, 120. 

 Biological sciences, 7, 8. 

 Biology, 1, 6, 7, 8. 

 Bisexual, 89. 

 Blastopore, 148. 

 Blastula, blastosphere, 148. 



Blood, 17, 61, 127, 128. 

 Blood-vessels, of Lumbricm, 128-132. 

 Body-cavity, 123. 

 Bone, 18, 60. 

 Botany, 7, 8, 167. 

 Brake, the, 64. 

 Branches, in Pteris, 69. 

 Branchiae, 134. 

 Bundle-sheath, 78. 



Caesius, 90. 



Calciferous glands, 125. 

 Canal-cells, 97. 

 Capsules of cartilage, 60. 

 Carbohydrates, 38, 44. 



as a source of energy, 167. 



digestion of, 163. 



in food of Lumbricus, 162. 

 Cartilage, structure of, 17. 



development of, 60. 

 Casein, 37. 

 Cell, 15, 16, 48. 



typical, 49. 

 Cell-membrane, 28, 49, 50. 



in tissues, 58. 

 Cell-substance, 49, 54, 55. 

 Cell-theory, 48. 

 Cell-wall, 49. 

 Cellulose, 38. 



reaction for, 44. 

 Central nervous system, 136. 

 Cerebral ganglia, 136. 



nerves, 138. 

 Chalk, 56. 



Chara, rotation of protoplasm in, 24, 2S 

 Chemistry of living matter, 35-39. 

 Chloragogue-cells, 127. 

 Chlorophyll, 84. 



function of, 106, 109. 

 Chlorophyll-bodies, 84. 



