A PHYSIOLC^I^AL STUDY 0^ ^H'^ OLIMA-^IC 

 CONDITIONS OF ilARYLMD AS I.^EASURED BY PLAN'^ OHO'^TH. 



( A second contribution from data obtained 



under the auspices of the Maryland State 



Weather Service, in 1914.) 



F. Merrill Hildebrandt. 



OUTLINE. 



Pages. 



I. Introduction 1 to 32 



A. Plan of exoeriment, location of 



stations etc. 1 to 4 



B. The use of standard plants 4 to 6 



C. Experimental methods. 6 to 9 



1. The plant used. 



2. The soil ani its preparation, 



3. The watering device. 



D. The climatic measurements. 9 to 26 



1. Introductory measurements 

 used etc. 



2. Treatment of climatic meas- 

 urements. 



a. Temperature - a general dis- 

 cussion of the methods of 

 handling temperature and a 

 description of the method used. 



b. Light - description of method 

 used in giving an index to light. 



