3 



45 



46 



53 



LIST OF ILLUSTRxVnONS 



Where Mosquitoes Breed by Millions, . . • Frontispiece 



PAGE 

 FIG. 



1. Culex tccniorhf/ncJms, Common Atlantic Coast "ring- 



legged ' ' Moscjuito, 



2. Section of Mosquito's Head showing poison gland, . 



3. Salivary Glands of Culex and Anopheles (after Christo- 



phers), ....••••'• 



4. Experimental House Occupied by Drs. Sambon and Low 



on the Campagna in the Summer of 1900 (from the 

 Journal of Tropical Medicine), 



5. Malaria House on the Campagna, seen from a distance 



(from the Journal of Tropical Medicine), 



6. Egg Mass of Culex pungens, 



7. Yonn^ hurx'^ oi Cule.r pmigens, . . . • 



8. Mouth -parts of Larva of C?^/e,^'i/?/w,yeM.s', . 



9. Full-grown Larva of Culex pungens, 

 10. Pupa of CiUex pungens, with Anal Segment below 



greatly enlarged, 



\\. Ki\v\\ilsii\\e oi Culex pungens, . • • • • 

 VI. A.i\\x\iYQnvA\eoi Culex pungens, . • • • 



13. Resting Position of Anopheles maculipennis, . 



14. Anopheles and Culex (after Watei-bouse), 



15. Anopheles niaculipetmis, Adult, . . • • 



16. Egg Mass of Anopheles maculipennis, 



00 



67 

 69 

 70 



71 



72 



74 

 75 

 95 

 95 

 9(') 

 97 



xiu 



