



OF TH 



UNIVERSITY 



v. UKNJ&. 



CCELENTEBA. 



V.- MEDUSA. 



By EDWARD T. BROWNE, 



Zoological Research Laboratory, University College, London. 



(7 Plates.) 



CONTENTS. 



PAGE 



INTRODUCTION .......... 2 



LIST OF MEDUSAE COLLECTED BY THE ' DISCOVERY ' AND ' SOUTHERN CROSS ' 



EXPEDITIONS .......... 4 



LIST OF MEDUS/E COLLECTED BY ' BELGICA,' ' SCOTIA,' ' FRANCAIS ' AND 



' GAUSS ' ANTARCTIC EXPEDITIONS . . . . . . 5, 6 



TABLE SHOWING THE DISTRIBUTION OF MEDUSA IN McMuRoo SOUND . . 7 

 GEOGRAPHICAL DISTRIBUTION ......... G 



PRIMITIVE CHARACTERS OF THE ANTARCTIC MEDUSAE . . . . . 8 



BATHYMETRICAL DISTRIBUTION ........ 9 



ANATOMICAL RESULTS . . . . . . . . . .10 



CLASSIFICATION . . . . . . . . . . .10 



I. HYDROMEDUS.E : 



Margelopsis australis, sp.n. ...... i \ 



Catablema. NOTE ON THE GENUS ..... 12 



Catablema weldoni, sp.n. ....... 13 



Perigonimus sp. ........ ig 



Bythotiaridse. NOTE ON THE FAMILY ..... 16 



Sibogita. NOTE ON THE GENUS ....... 15 



Sibogita borchgrevinki, sp.n. ...... 17 



Koellikeria and Rathkea. CRITICISM ON THE SPECIES ... 20 



Koellikeria maasi, sp.n. . ...... 22 



Cladommidse. CRITICISM ON THE CHARACTER OF THE FAMILY AND GENERA 24 



Eleutheria. NOTE ON THE SPECIES ...... 26 



Eleutheria charcoti (Bedot) ( Wandelia charcoti) . . . . .26 



Eleutheria hodgsoni, sp.n. ....... 28 



