SCHOOL COURSES. 33 



Aquarium Studies: 



Continuation with more precision of the Life Histories 

 of the commoner inmates, Frogs, Newts, Gnats, Water 

 Beetles, Water Bugs, Pond Snails, etc. Observational 

 exercises on their behaviour, accompanied by drawings 

 illustrative of typical habits, etc., e.g. 



The respiratory, locomotor, and feeding habits of 



Larval G-nat ; 



Stages in the life-history of the Gnat ; 

 Changes in the respiratory methods of the Tadpole. 

 Changes in size and external form of Tadpole ; 

 Larval and adult form of Newts ; 

 Carnivorous habits of Water Beetles ; 

 Adaptive features in Water Beetle for locomotion, 



and for respiration ; etc. 



The properties of the surface film and the animals which 

 use it. 



The conditions of life in an aquarium or fresh water 

 pool. 



III. WEATHER STUDIES: 



Practice should be given in the reading of instruments 

 and in the recording and charting of the readings. Distin- 

 guishing the various cloud forms, and direction of wind 

 should also be practised. Further work under this head 

 is included in the general scheme for Nature Calendars. 

 Pupils at this stage should be beginnm'g to show some 

 capacity for appreciating the connection between the 

 appearance, luxuriance, and decline of life upon the earth 

 and the seasons, i.e. the weather. See also Physical Study, 

 p. 39. It should also be borne in mind that one of the 

 chief interests in weather study lies in comparisons which 



N. 8, 3 



