352 NATURE-STUDY REVIEW [10:9— Dec, 1914 



SIXTH YEAR 

 September, October, November 

 Plant Life 

 Recognition of wild flowers, also common garden flowers. 

 Review of leaves taught in lower grades — Carolina poplar, chest- 

 nut, horsechestnut, oak, white maple, Norway maple, tulip, beech, 

 elm, linden, sycamore. Study of trees where possible. 



Bulb planting : study of garden catalogues ; home planting. 



Animal Life 



Insects: grasshopper or locust, fly, dragonfly, moth, butterfly. 

 Pupils should gain a clear notion of "an insect" from the study of 

 the grasshopper. They should know the life history of the grass- 

 hopper, dragon-fly, moth. 



The development of the silkworm should be reviewed and com- 

 pleted. 



Honey bee : study of observation hive ; reference to the bumble 

 bee. 



December, January, February 



Animal Life 



The oyster: study of shells, exterior and interior; the animal 

 studied from fresh opened oysters. This work should be accom- 

 panied by drawings made by pupils. 



The life history of the oyster; natural and artificial beds; the 

 location of the most important of these ; work of the United States 

 Fish Commission. 



Pearls : iresh and salt water forms. 



Comparison of other shells with oyster shells ; names of common 

 shells found on the Atlantic coast — clam, scallop, razor clam, 

 mussel, ark, gold and silver shells, boat shells. 



Teeth of various animals. 



Experimental 

 Starch: foods containing this substance; test. 

 Oil: foods containing this substance; test. 

 Proteids or nitrogenous substances: foods containing these; 

 test. 



