560 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 79 



UTEECHT— DE BILT, NETHERLANDS 



Lat. 52° 6' N. Long. 5° 11' E. Hb = 3 m., ht = 2.2 m. 



TEMPERATURE IN DEGREES C. 



Means of ^(8" + 14" + 19") 



(Continued) 



