SYSTEMATIC INDEX. 



PAGE PLATE 



COELENTEEATA : 27 



Order: Hydrocorallinae 27 



Family: Milleporidae 27 



Genus: Millepora 27 



alcicornis 27 



Hydromedusae 27 



Order: Anthomedusae 27 



Family: Oceanidae 27 



Genus: Stomotica 27 



divisa 27 



Order: Leptomedusae 28 



Family: Aequoridae 28 



Genus: Zygodactyla 28 



groenlandica 28 1 



Hydroida 30 



Family: Plumulariidae 30 



Genus: Cladocarpus 30 



sigma 30 2 



Order: Stylasterina 31 



Family: Stylasteridae 31 



Genus: Stylaster 31 



roseus 31 3 



Order: Trachymedusae 32 



Family: Olindiaidae 32 



Genus: Olindias 32 



tenuis 32 4 



Order: Narcomedusae 33 



Family: Aeginidae 33 



Genus: Solmissus 33 



albescens 33 5 



Order: Calycophorae 35 



Family: Prayidae 35 



Subfamily: Prayinae 35 



Genus: Nectrodroma 35 



reticulata 35 



Family: Diphyidae 35 



Subfamily: Abilinae 35 



Genus: Abylopsis 35 



eschscholtzii 35 



tetragona 36 



Family: Physaliidae 37 



Genus: Physalia 37 



physalis 38 



Family: Velellidae 38 



Genus: Velella 38 



velella 38 



5 



