VI li CONTENTS. 



PART IX. TuiiBELLARIA OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. l>y 



Dr J. F. GEMMILL and Dr 11. T. LEIPEH. Communicated by Sir JOBN MUHEAY, 



K.C.B. (With a Plate) ' . 129-138 



(Read March 5, 1906. Issued separately August 7, 1907.) 



PART X. THE PYCNOGONIDA OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. By 

 T. B. HODGSON, F.L.S. Communicated by Dr R. H. TRAQUAIR, F.R.S. (With 

 Three Plates) ........ 139-168 



(MS. received July 12, 1907. Read July 15, 1907. Issued separately January 24, 1908.) 



PART XI. THE MEDUSJS OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. By 

 EDWARD T. BROWNE, Zoological Research Laboratory, University College, London. 

 Communicated by Dr W. S. BRUCE. (With Two Plates) .... 169-188 

 (MS. received November 27, 1907. Read December 16, 1907. Issued separately May 1, 1908.) 



PART XII. ANTIPATHARIANS OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. By 



Professor J. ARTHUR THOMSON, M.A., University of Aberdeen . . . 189-192 



(Read at Royal Physical Society of Edinburgh, March 27, 1905. Revised March 17, 1908.) 



PART XIII. ASTEHIES, OPHIURES ET ECHINIDES DE L'EXPEDITION ANTARCTIQUE 

 NATIONALS ECOSSAISU. Par R. KOEHLER, Professeur de Zoologie a 1'Universite 

 de Lyon. Presentee par Dr W. S. BRUCE. (Avec seize Planches) . . 193-313 



(MS. received September 5, 1907. Read June 15, 1908. Issued separately December 16, 1908.) 



