LAWS OF INTERNAL CHANGE 95 



ment. All of these papers are not equally ecolog- 

 ical, but all will be of much utility in ecological 

 work. 



(General works are listed first, followed by special papers 

 arranged alphabetically.) 



1. General Physiology and Development 



VERWORN, M. 



1899. General Physiology, pp. 615. New York. 



A very good general summary, but somewhat out of 

 date. There is a German edition of 1909 (fifth). 



ROSENTHAL, J. 



1901. Lehrbuch der Allgemeinen Physiologic, pp. 616. 



Leipzig. 

 FURTH, O. VON. 



1903. Vergleichende chemische Physiologic der niederen 



Tiere. pp. 670. Jena. 



An excellent general work. Indispensable. Full ref- 

 erences. 



PUTTER, A. 



1911. Vergleichende Physiologic, pp. 721. Jena. 

 WINTERSTEIN, H. (Editor). 



1910. Handbuch der vergleichenden Physiologic. (To be 



completed in four volumes.) Jena. 



HAMMARSTEN, O. (Trans, by J. A. MANDEL.) 



1911. A Text-Book of Physiological Chemistry. Sixth 



Edition, pp. 964. New York. 

 DAVENPORT, C. B. 



1908. Experimental Morphology, pp. 509. New York. 

 Excellent summaries and full references to the in- 

 fluence of various stimuli upon growth and upon 

 protoplasm. 



