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3. establish a productive colony of Lu. diabolica in the 

 laboratory, 



4. study the biology and life history of Lu. diabol ica under 

 laboratory conditions; 



5. investigate, under controlled laboratory conditions, the 

 vector capacity of Lu. diabol ica , as compared with Lu. shannoni , for 

 leishmaniasis; and 



6. examine by means of the electron microscope the morphology of 

 L. mexicana promastigotes found in the sand fly vector. 



