

T PI E 



J^UPAL STAGE OF CULEX, 



INAUGURAL DISSERTATION 



(toti the 



DEGREE OF Ph.D. IN THE UNIVERSITY OF LEIPZIG, 



/ 



C! HERBERT HURST, 



( LECTtEER I?f THE VICTORIA Uj!^IYERSITY, 



Assistant Lecturer in Zoology in the Oavens College, 

 Manchester. 1 



WITH ONE PLATE, 



MANCHESTER : 

 \ Guardian " Printing Works, Blackfriars Street. 



1890. 



