CONTENTS. 



PART I. THE ALCYONAIUANS OK THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. By 

 Professor J. ARTUUH THOMSON, M.A., and JAMES RITCHIE, M.A. (With Two 

 Plates) .......... 



(MS. received May 30, 1905. Read July 3, 1905. Issued separately January 18, 1906.) 



PART II. THE NUDIBRANCHIATA OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 

 By Sir CHARLES ELIOT, K.C.M.G. Communicated lj Sir JOHN MURRAY, K.C.B. 



(MS. received March 24, 1905. Read May 15, 1905. Issued separately June 9, 1905.) 



PART III. SCOTTISH NATIONAL ANTARCTIC EXPEDITION : TARDIGRADA OK THE SOUTH 

 ORKNEYS. By JAMES MURRAY. Communicated by W. S. BRUCE. (With Four Plates) 

 (MS. received May 11, 1906. Read May 28, 1906. Issued separately August 31, 1906.) 



PART IV. " SCOTIA" COLLECTIONS: ON ECHINOKHYNCHUS ANTARCTICUS, N. SP., AND 

 ITS ALLIES, liy JOHN RBNNIE, D.Sc., University of Aberdeen. Communicated by 

 W. S. BRUCE. (With a Plate) .... 



(MS. received January 21, 1906. Read March 5, 1906. Issued separately January 4, 1907.) 



PART V. NEMATODES OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION, 1902-1904. 

 By Dr V. LINSTOW, Giittingen. Communicated Inj W. S. BKUCE. (With Two 

 Plates) .... 



(MS. received March 19, 1906. Read May 7, 1906. Issued separately January 21, 1907.) 



PART VI. SCOTTISH NATIONAL ANTARCTIC EXPEDITION, "SCOTIA" COLLECTIONS: 



COLLEMBOLA FROM THE SOUTH ORKNEY ISLANDS. By GlSOlUiE H. CARPENTER, B.Sc., 



M.H.T.A., Professor of Zoology in the Royal College of Science, Dublin. Com- 

 municated by WILLIAM EVANS. (With Plate) .... 



(MS. received March 21, 1906. Read March 5, 1906. Issued separately January 14, 1907.) 



PART VII. THE HYDROIDS OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. By 

 JAMES RITCHIE, M.A., B.Sc., Fullerton Scholar, University of Aberdeen. Com- 

 municated ly W. S. BRUCE. (With Three Plates) 



(MS. received May 1, 1906. Read June 21, 190U. Issued separately March 16, 1907.) 



PART VIII. THE MARINE MOLLUSCA OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 

 By JAMES COSMO MELVILL, M.A., F.L.S., F.Z.S., and ROBERT STANDEN, Assistant 

 Keeper, Manchester Museum. Communicated bi/ Professor J. C. EWART, F.R.S. 

 (With a Plate) ....... 



(MS. received July '5, 1907. Read July 15, 1907. Issued separately December 21, 1P07 



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11-24 



25-36 



37-44 



45-52 



53-60 



61-88 



89-128 



