CONTENTS. 



Tetrorchis ervthrogaster, sp. nov. . . 



Ainphogoua Browne 



Amphogona apsteini Vanhoffen . . 



Ehopaloiieina Gegeiibaur 



Rhopaloneiua velatum Gegeiibaur . 



Ehopalonema funerariuin Vanhoifen 



Coloboneraa Vanhoffen 



Colobonema sericeum Vanhoffen . . 



Pectyllidae 



Crossota Vanlioffen 



Crossota brunnea Vanhoffen . . . . 



Halicreasidae 



Halicreas Fewkes 



Halicreas papillosum Vanhoffen . . 



Honioeonema Maas 



Homoeonema alba Vanhoffen . . . 



Homoeonema racovitzae Maas . . 



Honioeonema species? 



Halitrephes, gen. nov 



Halitrephes maasi, sp. nov 



Leptomedusae 



Laodiceidae 



Ptychogena A. Agassiz 



Ptychogena erythrogonon, sp. nov. . 



Eucopidae 



Phialium Haeckel 



Phialium duodecimalis A. Agassiz . 



Phialidiura Leuckart 



Phialidium discoida Mayer . . . . 



Phialucium Maas 



Phiahicium coniata, sp. nov 



Eirene Eschseholtz 



Eirene medusifera, sp. nov 



Eirene viridula Eschseholtz . . . . 



Eutiminae 



Eutinia McCrady 



Eutima levuka Agassiz and Mayer . 



Eutimalphes Haeckel 



Eutimalphes scintillans, sp. nov. . , 



Octocanninae 



Octocanna Haeckel 



Octocanna polynenia Haeckel . . . 



Aequoridae 



Aequorea macrodactylum 15randt . , 



Aequorea coerulescens Brandt . . , 

 Anthomedusae , 



Codonidae 



Sai'sia Lesson 



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Sarsia coccoraetra, sp. nov 



Sarsia respleudeus, sp. nov 



Purena Hartlaub 



Purena brownei, nom. nov 



Ectopleura L. Agassiz 



Ectopleura ochracea A. Agassiz . . 

 Peunaria Goldfuss 



Pennaria vitrea Agassiz and Mayer . 



Penuaria species? 



Cladonemidae 



Zanclea Gegenbaur 



Zanclea gemmosa McCrady .... 



Cytaeidae 



Cytaeinae 



Cytaeis Eschseholtz 



Cytaeis vulgaris Agassiz and Mayer 



Dendroclavinae 



Lynmorea Mayer 



Lymnorea alexandri Mayer . . . . 



Bougainvilleidae 



Bougainvillea fulva Agassiz and 

 Mayer 



Ainphinemidae 



Ainphinema Haeckel 



Amphinema australis Mayer . . . . 



Auiphinema turrida Mayer . . . . 



Stoinotoca L. Agassiz 



Stoniotoca divisa Maas 



Tiaridae 



Pandea Lesson . • 



l^andea violacea Agassiz and Mayer . 



Tiara Lesson 



Tiara papua Lesson 



Turris Lesson 



Turris foutata, sp. nov 



Bythotiaridae 



Sibogita Maas 



Sibogita siinulans, sp. nov 



Heterotiara Maas 



Heterotiara anonj'ma ]\Iaas . . . . 



Williidae 



Proboscidactyla Brandt 



Proboscydactyla ornata vav. stoloni- 



fera Maas 



Geographical distribution 



Bathymetric range 



Bibliography 



Explanation of plates 



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