EARLY WORK 5 



the exhaustive monograph on mosquitos which was 

 written at the instance of Sir E. Ray Lankester, 

 formerly Director of the British (Natural History) 

 Museum, the earliest attempts at a classification of 



these insects (which belong to the Diptera, and to the 

 family Culicidse) was made by the naturalist Linnaeus 

 in 1785, who described the genus Culex (which 

 contains the common domestic species), and upon 

 this genus, with its type Culex pipiens, the family 



