REPORT ON MOSQUITOES. 



19 



.rotary moutn brosnes. 



dhten nal toft 

 d nt 6 n n a 



thoracic 

 nair tufts 



D domenai 

 ,n<iir tofts 



eve 



_.••■ tube or 

 dnal sij^non 



.JDqtch-'of scales. 

 coiTnos or bectens 



-sbines 

 Irackeal qiNs 



Figure 2. 



A mosquito larva with the parts that are used in classification named. (Original.) 



