STUDIES 



IN 



BIOLOGY 



FROM THE 



BIOLOGICAL DEPARTMENTS 



OF 



THE OWENS COLLEGE. 



VOLUME I"V. 



PUBLISHED BY THE COUNCIL OF THE COLLEGE 



AND EDITED BY 



PROFESSOR SYDNEY J. HICKSON 



MANCHESTER : 



J. E. Cornish. 



1899. 



PRICE TEN SHILLINGS. 



fr: 



