skilling] NATURE-STUDY IN SAN DIEGO NORMAL 149 



Fourth Grade. 



The work here is of a similar nature to that in the third grade, except 

 that different birds, animals, insects, etc., are taken. 



A study of the mosquito. Lessons upon its habitat, swampy places, their 

 causes, means of draining, swamp vegetation, malaria. Soil and soil 

 water, seeds. Work in school-garden. Birds — ostrich, pelican, sea gull, 

 etc. Stem and leaves. Cow and dairy products. Roots — The earth- 

 worm (being of use to roots). Flowers — Butterflies (or silk- worm). Seed 

 dispersal. Physiography of plants. 



Fifth Grade. 



This grade is devoted to life of the sea and desert, both animal and vege- 

 table. A good collection of preserved specimens is at hand to make the 

 instruction concrete. 



Coelenterates (Hydrozoa, sea-anemone, coral, jelly-fish, etc.). Starfish, 

 crabs and barnacles. Insects. Desert animals. Frog. Desert condi- 

 tions and desert vegetation. Adaptation to environment. 



Sixth Grade. 



Devoted to natural phenomena. Air, its composition, etc. Tempera- 

 ture. Winds. Water, its forms and uses. Combustion. Respiration. 

 Fermentation. Decay. Inertia. Gravitation. Centrifugal and centri- 

 petal forces. Work. Machines. Heat. Engine. Gas-engine. Sound. 

 Light. Magnetism. Electricity. 



Sevevth Grade. 



A thorough study of the soil based upon some elementary book on agri- 

 culture. Cereals and other important farm products. Forestry. Fruit 

 trees of California, including grafting, tree pests, etc. Work in the school- 

 garden. In connection with forestry a study is made of the building of 

 houses. This study is based upon excursions to the saw-mill and to a 

 house in course of construction. Names and habits of the ornamental 

 trees of the neighborhood. 



Eighth Grade. 



Physiology with special reference to hygiene. The skeleton. Muscles. 

 Digestion. Circulation. Respiration. Nervous system. Eye, ear, taste, 

 feeling, smell. First aid to injured. 



