54 BULLETIN 305, U. S. DEPARTMENT OF AGRICULTURE. 
Have the pupils collect the following information at their homes — 
and report to the class: 
(1) What fruit trees are being sprayed this month? 
(2) For what purpose are they sprayed? 
(3) What sprays are used? 
Record these facts in notebooks. 
Practical exercises —Preparing tables and collec cting the factall 
called for in the foregoing lessons supply ample work for the pupils — 
while out of the class. 4 
Correlations.—Language: Tabulate the facts with reference to 
rees and write up the observations in connection with spraying. 
List new words and learn to spell them. ! 
Drawing: Make drawings of leaves and flowers that appear this 
month. ¥ 
Geography: Note the locations of plants that are earliest in put-_ 
ting forth blooms and leaves. Are they on hilltops or in low places? — 
_ On the south side or the north side of hill or mountain? Give reasons. _ 
ANIMALS. 
Continued work.—Continue the studies with the special group of f 
birds. Note the coming and going of members of the group, their 
method of securing food, the places frequented, and whether they — 
are found in flocks or alone. 4 
What members of the special group of mammals are putting in 
their appearance? What are they eating? Are they providing 
summer homes? Where? What kind? 
Assigned work.—The chief reason for studying the mosquito in the — 
South is that one kind (genus) is the means of transmitting malaria, — 
This is quite a common disease and does much to incapacitate south- | 
ern people for efficient work. The idea that malaria originates in | 
swampy or marshy places is entirely erroneous. The disease is trans- | 
mitted solely through the anopheles mosquito. In most cases the 
disease may be controlled by the use of quinine under the direction — 
of a physician, but the best method is to control or destroy the 
mosquitoes. 
Have the pupils make a study of mosquitoes, at the same time 
emphasize the importance of keeping the home premises free frome 7 
them. ‘These pestiferous insects soon begin to put in their appear- 
ance if preventive measures are not taken. Instruct the pupils to 
rid their premises of all discarded tin cans, jars, buckets, and the 
like, drain pools of water, and fill wells that are no longer in use. 
Those places that can not be drained should have their surfaces coy- 
ered with oil. Let the following outline serve as a guide in the study 
of the mosquito: 
