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NATURE-STUDY REVIEW 



[7:3 — Mar., 191 1 



day and of any one species through the season. The calendar 

 item "Last Seen" must be taken from the last entry in the diary, 

 and is of value as evidence bearing upon the spring date of leav- 

 ing for the north in the case of winter residents or migrants, or 

 of migration southward in the fall. 



FLOWER CALENDAR 



While the "Habitat is not strictly a calendar item, it serves 

 to reveal the significant fact that the earliest wild flowers are to 

 be found in the woods, those of the open fields coming later. In 

 fact, many interesting studies of genuine value grow out of the 

 calendar record when the data are scrutinized for the lessons 

 they carry. 



TREE CALENDAR 



It is of interest to note that a large number of forest trees 

 and familiar shade trees bloom before the foliage appears. Where 

 this is true, the pollination is usually by wind rather than by in- 

 sects. If a more complete record of the year with the trees is 

 desired, carrying over into the fall, the following form may be 

 used : 



