22 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. IO5 



means of another station in the same place are given from 

 1931 to 1940. Its position is Lat. 53° 42' N., Long. 91° 42' 

 E., 11 = 250.7 m. 



NIKOLAYEVSK ON AMUR 



Pressure. 



The means have been reduced to the former height of 42.2 m. 

 indicated in Smithsonian Misc. Coll., vol. 90, by introducing 

 the correction of —0.4 m. in the values at the new height 

 of 37.9 m. 



NOVO-MARIINSKY POST 

 Pressure. 



The pressure in 1932 has been reduced to the former height of 

 23.0 m. indicated in Smithsonian Misc. Coll., vol. 90, by 

 introducing the correction of —0.5 mm. in the means ob- 

 tained at the new height of 17.8 m. 



OLEKMINSK 

 Pressure. 



In September 193 1 the barometer was transferred to the height 

 of 148.4 m. The pressure was reduced to the former height 

 of 152 m. indicated in Smithsonian Misc. Coll., vol. 90, by 

 introducing the correction of +1.7 mm. in the means of 

 1 93 1 at the height of 169 m. and by introducing the correc- 

 tion of —0.4 mm. in the means from 1935 to 1940 at the 

 height of 148 m. 



OMSK 



Station. 



The meteorological station at Omsk (Lat. 54° 58' N., Long. 



73° 23' E., 11 = 87.3 iT^-)» the means of which were published 



in Smithsonian Misc. Coll., vol. 79, stopped working in 1919. 



Its successor in Omsk is located at Lat. 55° i' N., Long. 



73° 20' E., H= 104.8 m. 

 The observations at this station (Experimental Station in forest) 



for the period from 1931 to 1940 are given in this volume; 



and for the period 1921 to 1930 are given in the list of errata 



to vol. 90, Smithsonian Misc. Coll. 

 Pressure. 



The means of pressure have been reduced to the height of 87.3 m. 



indicated in Smithsonian Misc. Coll.. vol. 79, by introducing 



