STUDIES 



FROM THE ^.OG^I.IXjQ; 



BIOLOGICAL LABORATORIES 



OF 



THE OWENS COLLEGE. 



"V^OLTTDVUIE] II. 



PUBLISHED BY THE COUNCIL OF THE COLLEGE 



AND EDITED BY 



PROFESSOR MILNES MARSHALL. 



MANCHESTER : 



J. E. Cornish. 



L890. 



PRICE TEN SHILLINGS. 



