128 NATURE-STUDY REVIEW [11:3— Mar., 1915 



C. Departure of birds; comparison with bird life in the spring; 



Bird Clubs meet to report on experiences with bird 

 houses the previous summer. 



D. The long winter sleep of animals. 

 Hibernation of toad, frog, snakes, turtles. 



Problems — 



What does the tadpole do in the aquarium? 



What birds of the spring time are still here? 



How do animals like the toads and frogs spend the winter? 

 5. Plant preparation for winter; trees, grasses, flowers. 

 Problem — 



How do plants like trees, flowers and grasses get ready for winter? 



IV. Seasonal Changes. 



1 . The approach of autumn — first week ; written records. 



2. The approach of winter — last week; written records. 



3. Trip to Sibley Park; chart of trees in Park ; changes in river. 



4. Weather records for one month (November). Individual records 



in writing. 



Problems — 



Let us see who can write the longest list of things that show autumn 

 is coming, or that winter is coming. 



Winter 



Holiday Studies. 



1. Christmas dinner; products from abroad. 



Problems — 



What are some of the things for Christmas dinner that come from 



other parts of the world than Minnesota? 

 How do they get to us? 

 What nuts do we get that are raised outside of Minnesota? 



2. Christmas dinner for the birds. (Use old Christmas tree.) 



Problems — 



What kind of Christmas gifts do birds like? 

 What kind of birds will come to the feast? 



3. Christmas greens. 



A. Christmas trees — evergreens of Mankato. 



B. Holly and mistletoe. 



