388 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 79 



OMSK, SIBERIA 



Lat. 54° 58' N. Long. 73° 20' E. Hb = 87.3 in. 



PRESSURE AT STATION: COR. TO 0° C. AND TO GRAV. AT 45° LAT. 



Means of ^7" + 13- + 21") 



700 mm. + 



