FIRST FLOOR 



dr^-O 



SOUTH 



SKETCH PLAN OF FLOOR. 



The scries of enlarged models (X 7") diameters) the construction of which 

 led to the studies upon which this Leaflet is based ill part were prepared at 

 the Museum by and under the direction of Dr. B. E. Dahlgren, the author 

 of the Leaflet. The models have been placed on exhibition in the middle 

 of the Synoptic Hall, No. 107, at the east end of the ground floor of the 

 building. 



Editor. 



TABLE OF CONTEXTS. 



Introduction 

 The Malaria Mosquito: 

 The Egg 



The Larva 



The Pupa 



The Adult 



The Internal ( Organs 

 Malaria 

 Yellow Fever 



Insects as Carriers of Disease 

 Mosquito Extermination 

 Literature on Mosquitoes 



Page 

 5 



10 

 12 



18 

 21 

 32 

 34 



40 

 43 

 45 



17 



