FISHERY BOAED FOR SCOTLAND. 



SCIENTIFIC INVESTIGATIONS, 



1910. 



No. II. 



THE RETARDATION OF THE DEVELOPMENT OF 



THE OVA OF THE HERRING 



(with 1 Plate). 



BY 



H. C. WILLIAMSON, M.A., D.Sc, F.R.S.E. 



This Paper may he referred to as : 

 ''Fisheries, Scotland, So'. Invest., 1910, II. (Sept. 19 11)." 



L O N D O X : 

 PUBLISHED BY HIS MAJESTY'S STATIONERY OFFICE. 



To be purchased, either rlirectly or through any Bookseller, from 

 OLIVER & BOYD, Tweeddale Court, Edinburgh ; or 



WYMAN & SONS, Ltd., Fetter Lane, E.C. ; or 

 E. PONSONBY, Ltd., 116 Grafton Street, Dublin. 



Printed by 



JAMES HEDDERWICK & SONS, LTD., 



At "The Citizen Press," St. Vincent Place, Glasgow, 



1911. 



Price Fourpence. 



