WOODS 

 HOLE, 



CONTENTS x^^ASs. 



THE GUT OF NEBALIACEA (published 17th November, 1943) 



By Helen G. Q. Rowett page 3 



ON A SPECIMEN OF THE SOUTHERN BOTTLENOSED WHALE, HYPEROODON 

 PLANIFRONS (published 23rd March, 1945) 

 By F. C. Eraser, D.Sc page 21 



REPORT ON ROCKS FROM WEST ANTARCTICA AND THE SCOTIA ARC (published 

 27th June, 1945) 

 By G. W. Tyrrell, A.R.C.Sc, D.Sc, F.G.S., F.R.S.E. 



Foreword, by J. M. Wordie, M.A page 39 



I. Petrography of the South Shetland Islands, West Antarctica 41 



II. Petrography of Rocks From the Graham Land Peninsula and Adelaide Island, West 



Antarctica 66 



HI. Petrography of Rocks from the Elephant and Clarence Group 76 



IV. Petrography of Stones dredged from the .Vicinity of the Shag Rocks ... 89 



V. Petrography of the South Sandwich Islands 92 



THE DEVELOPMENT AND LIFE-HISTORY OF ADOLESCENT AND ADULT 

 KRILL, EUPHAUSIA superb a (published 20th July, 1945) 

 By Helene E. Bargmann, Ph.D. 



Introduction page 105 



Development 106 



Average Growth Rate 120 



Factors Influencing Growth Rate 1 28 



Conclusions 13° 



Bibliography 131 



Appendix 132 



THE ANTARCTIC CONVERGENCE AND THE DISTRIBUTION OF SURFACE 

 TEMPERATURES IN ANTARCTIC WATERS (published 28th January, 1946) 

 By N. A. Mackintosh, D.Sc. 



Part I. The Antarctic Convergence page 179 



Part II. The Distribution of Surface Temperature in Antarctic Waters . . . -194 



References 204 



Appendix. Table 9 205 



Notes on the Plates 211 



Plates I-XIV following page 212 



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