63 



REPORT ON THE INVESTIGATIONS CARRIED 

 ON DURING 1914 IN CONNECTION WITH THE 

 LANCASHIRE SEA-FISHERIES LABORATORY AT THE 

 UNIVERSITY OF LIVERPOOL, AND THE SEA-FISH 

 HATCHERY AT PIEL, NEAR BARROW. 



EDITED BY 



Professor W. A. HERDMAN, F.R.S., 



Honorary Director of the Scientific Work. 



(With Plates, Charts and Text-Figures.) 



Contents. page 



119 

 171 



201 



1. Introduction. By W. A. Herdman 



2. Sea-Fish Hatching at Piel. By A. Scott ... 



3. Classes, Visitors, &c, at Piel. By A. Scott 



4. Report on the Periodic Cruises. By W. Riddell ... 



5. Diseased Conditions of Fishes. By J. Johnstone... 



6. The Bacteriology of Shellfish. By J. Johnstone ... 



7. Report on Herring Measurements. By W. Riddell 



8. Report on the Whitebait Fisheries. By A. Scott 



9. On the Fat-content of Irish Sea Herrings. By J. Johnstone ... 216 



10. The Spawning Period of the Shrimp. By T. Monaghan ... 224 



11. Photo-synthetic Phenomena in Sea- water. By B. Moore, 



E. B. R. Prideaux and G. A. Herdman 233 



12. Report on the Hydrographic Investigations. By H. Bassett ... 205 



13. Report on Fish Eggs during 1914. By A. Scott 274 



14. Intensive Study of Irish Sea Plankton — Part VIII. 



By W. A. Herdman, A. Scott, and H. Mabel Lewis ... 284 



INTRODUCTION. 



The year 1914 falls into two very distinct and diverse 

 parts. The first half, from January to July, was normal, 

 and our investigations and results for that period are fairly 

 comparable with those of other years ; but the second half, 

 from the beginning of August onwards, was in Sea-Fisheries, 

 as in most other human affairs throughout Europe, quite 



E 



