The origin of life

Chapter: I-Theories of spontaneous generation of life

II-Theories of the continuity of life

III-Theories of the origen of life at some distant period of the eart`s existence

IV -Primary forms of carbon and nitrogen compounds

V-Origin of organic substances. Primary proteins

VI-The origin of primary colloidal systems

VII-Origin of primary organisms

VIII-Further evolution of primary organisms

IX-Conclusion

Bibliography

Index of names

Index of subjects