Band 117. Nr. 10. XXXII. Jahrgang. II. Bd. Nr. 10. 



Botanisches Centralblatt. 



Referirendes Organ 



der 



Association Internationale des Botanistes 

 für das Gesamtgebiet der Botanik. 



Herausgegeben unter der Leitung 

 des Präsidenten: des Vice- Präsidenten: des Secretärs: 



Prof. Dr. E. Warming. Prof. Dr. F. W. Oliver. Dr. J. P. Lotsy. 



und der Redactions-Commissions- Mitglieder : 



Prof. Dr. Wm. Trelease, Dr. R. Pampanini, Prof. Dr. F. W. Oliver, 



Prof. Dr. C. Wehmer und Dr. C. H, Ostenfeld. 



von zahlreichen Specialredacteuren in den verschiedenen Ländern 



Dr. J. P. Lotsy, Chefredacteur. 



i 



No. 36. 



Abonnement für das halbe Jahr 14 Mark 

 durch alle Buchhandlungen und Postanstalten. 



1911. 



Alle für die Redaction bestimmten Sendungen sind zu richten an: 

 Redaction des Botanischen Centralblattes, Haarlem (Holland), Spaarne 17. 



Hunter, G. W., Essentials of Biology. (Amer. Book Co. New 

 York, 1—448. illustrated 1911.) 



A book designed to cover the first years work in biology, con- 

 sidered primarily from the physiological Standpoint. The chapter 

 headings which indicate the scope of the work are as follows: 1. 

 Some reasons for the study of biology. 2. The surroundings or 

 environment of living things. 3. The functions and composition of 

 living things. 4. Flowers and their work. 5. Fruits and their uses. 

 6. Roots and their work. 7. The structure and work of stems. 8. 

 Seeds and seedlings. 9. Leaves and their work. 10. Our forests, 

 their uses and the necessity for their protection. 11. The various 

 forms of plants and how they reproduce themselves. 12. How plants 

 are modiiied by their surroundings. 13. How plants benefit and 

 härm mankind. 14. The relations of plants to animals. 15. The pro- 

 tozoa. 16. The metazoa. 17. The worms. 18. The crayfish. 19. The 

 insects. 20. General considerations from the study of insects. 21. 

 The molluscs. 22. The vertebrate animals. 23. Man, as a mammal. 

 24. Food and dietaries. 25. Digestion and absorption. 26. The blood 

 and its circulation. 27. Respiration and excretion. 28. The nervous 

 System and organs of sense. 29. Health and disease. A separate 

 laboratory manual to accompany this book has been prepared by 

 R. W. Sharpe. Moore. 



Mac Dougal, D. T., Alterations in heredity induced by 



Botan. Centralblatt. Band 117. 1911. 16 



