LEPTOCEPHALIDS 



IN THE 



UNIVERSITY ZOOLOGICAL MUSEUM 



AT UPSALA 



BEING A DISSERTATION 

 FOR THE ATTAINING OP THE DEGREE OF DOCTOR 



PRESENTED BY PERMISSION 



OF THE 



MATHEMATICAL AND NATUEAL SCIENCE SECTION 



OF THE PHILOSOPHICAL FACULTY OF THE 



UNIVEESITY AT UPSALA 



FOR PUBLIC DISCUSSION 



IN THE ZOOLOGICAL LECTURE-HALL 



ON 



WEDNESDAY MAY 2 7«i 1896 



AT 



IO o'clock A. M. 



BY 



PEHR HUGO STROMMAN 



LICENCIATE OF PHILOSOPHY 



UPSALA J896 



PRINTED BY ALMQVIST & WIKSELL. 



