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NATURE STUDY REVIEW 



[8:1— Jan., 1912 



this trip should be the most valuable one of this season. Mr. Letterman 

 has kindly offered to pilot our party for the day. 



Rare wild flowers should not be pulled, nor should living twigs be 

 broken. If necessary, they may be cut. Breaking branches is always 

 harmful to the tree or shrub; cutting them may be beneficial. Do you 

 see why? 



The trip outlined above, a three-mile walk, was made by 

 110 members, nearly all nature lovers. The number attending 

 varies from 20 to 120, depending upon the season, the length of 

 the walk, the topics for study, the attractions offered for that 

 particular Saturday in the city. 



Having arrived at the field, the party divides itself on the 

 basis of topics to be studied. Among the members of the section 

 are individuals who have a fair working knowledge in one or two 

 of the following lines : physiography, geology, systematic botany, 

 mushrooms, trees, birds, and insects. Those having common in- 

 terests naturally seek out the one who can help them. In this 

 way the party, if it be a large one, is broken into six or eight 

 groups. The official photographer. Miss Crecelius, busies her- 



OUTCROP OF KiMMSWICK LiMESTONE AT FOX CREEK, ThIRTY 



Miles Southwest of St. Louis. — May G, 1911. 



