CONTENTS 



Foreword, by N. A. Mackintosh page 226 



Introduction 227 



Field methods and preliminary observations 228 



The first survey 230 



The second survey 234 



The third survey 236 



Topography of the shelf 238 



Hydrology 242 



Plankton 246 



Methods of presentation 250 



General account of the fish fauna 251 



Distribution and general notes on the species . ..... 259 



Petromyzonidae ........... 259 



Myxinidae 259 



Lamnidae 259 



Scyliorhinidae ........... 260 



Squalidae 260 



Squatinidae ............ 260 



Torpedinidac 260 



Rajidae ............. 260 



Chimaeridae ............ 272 



Summary of observations on Elasmobranchii ...... 274 



Clupeidae ............ 275 



Galaxiidae ............ 278 



Aplochitonidae ........... 279 



Syngnathidae 279 



Macruridae 279 



Merlucciidae . 280 



Merluccius hubbsi . 280 



Introduction: economic importance of allied species . . . 280 



The sizes of Patagonian and European hake compared . . . 284 

 The distribution and relative abundance of Merluccius hubbsi within 

 the area surveyed, and the effect of latitude on numbers, size and 



sex ratio . . : 289 



The relation between length and weight of Merluccius hubbsi, and its 



value as an indicator of the spawning season, and for other purposes 291 



Migrations ^00 



Conclusions on migration 106 



The food and feeding of Merluccius hubbsi 308 



Parasites ,jq 



Macruronus magellanicus ' . .312 



Comparison and contrast of the main features in the bionomics of 



Merluccius hubbsi and Macruronus magellanicus . . . . ^20 



Gadidae ^20 



Micromezistius australis ^20 



Salilota australis ~~. 



Physiculus marginatus ^24 



Muraenolepidae 



Carangidae 



Bovichthyidae ^ 



