^-FmiutcE, APRIL ^0 TO MAY 3, \^ZH. 



GENERAL CHART 



CO V E.RING 



ICE PATROL 

 GRAND BAMKS 



isotheraas based on 1137 

 temperah;re reports. 



FiGUKE 2C.— Surface temperatures April 20 to M^y :, 1929. Sec remarks under Figure 25 



lt0277— 30. (Face p. 134.) No. 2 



