CGELENTEBA. 



V.-MEDUS/E. 



By Edward T. Browne, 



Zoological Research Laboratory, Un'wersitij College, London. 



(7 Plates.) 



CONTENTS. 



I'AOI 



ixtroductiox ........... 2 



List of Medusa collected by the 'Discovery' and 'Southern Cross' 



Expeditions .......... 4 



List of Medus.e collected by ' Belgica,' ' Scotia,' ' Fran^ais ' and 



'Gauss' Antarctic Expeditions . . . . . .5,6 



Table showing the Distribution of ]\Ieuus.e in McMurdo Sound . . 7 

 Geographical Distribution ......... g 



Primitive Characters of the Antarctic Medusae ..... 8 



Bathymetrical Distribution ........ 9 



Anatomical Results . . . . . . . . .10 



Classification ........... 10 



L Hydromedus.^ : 



Margelopsis australis, sp.n. . . . . . . . .11 



Catablema. Note on the Genus . . . . . .12 



Catahlema weldoni, .sp.n. . . . . . . . . .13 



Perigonimus sp. . . . . . . . . . .10 



Bythotiaridse. Note on the Family . . 1 (5 



Sibogi/a. Note on the Genus . . . . . . . . 1 (; 



Sibogita borchgrevinki, a^.n. . . . . . . . .17 



Koellikeria and Rathkea. Criticism on thk Species . .20 



KoelUkeria maasi, sp.n. . . . . . . . . .22 



Cladoneniidse. Criticis.m on the Character of the Family and Genera 24 

 Eleutheria. Note on the Species ....... 2G 



JSleutheria Charcot i (Bcdot) {]\'andelia charcoti) . . . . .20 



Eleutheria hodgsoni, .sp.n. •■••••.. 28 



