1III: ON SOME OF THE RESULTS OF THE EXPEDITION OF H.M.S. CHALLLENGER
6VIII: BIOGENESIS AND ABIOGENESIS
2IV: YEAST
7IX: GEOLOGICAL CONTEMPORANEITY AND PERSISTENT TYPES OF LIFE
3V: ON THE FORMATION OF COAL
8X: GEOLOGICAL REFORM
4VI: ON THE BORDER TERRITORY BETWEEN THE ANIMAL AND THE VEGETABLE KINGDOMS
9XI: PALAEONTOLOGY AND THE DOCTRINE OF EVOLUTION
5VII: A LOBSTER; OR, THE STUDY OF ZOOLOGY