PLATE II. 



Fig. 1, Adult larva of Culex damnosus ; from Nature. 



2. Deflected pupa of Culex damnosus ; fi-om Nature. 



3. Natural attitude of pupa of Culex damnosus ; from Nature. 



4. Breathing attitude of larva of Culex damnosus; from 



Nature. 



5. Imago of ? Culex damnosus ; from Nature. 



6. Head of cf Culex damnosus ; from Nature. 



7. Head of ? Culex rufus ; X 20 ; after Dimmock. 



8. ^Median cross section of proboscis of d Culex rufus ; after 



Dimmock. 



9. IMedian cross section of proboscis of $ Culex rufus ; after 



Dimmock. 



Explanation op Lettering. 



a, six piercing members. d, hypopharynx. 



b, labium. e, mandibles. 



c, labrum epipharynx. 



f, maxillee. 



cf Male. 



? Female. 



(182) 



