HYDROIDA II 



igi 



Lafoea pygmaa 



— gracillima 



— pocillum 



— symmetrica 



— fruticosa 

 Filellum serpens 

 Lictorella Levinseni 

 Serf a la riii cupressina 



— argentea 



— pumila 

 Dipliasia fusca 



— abietina = 



Antennularia antennina = 



ramosa = 



Plumularia pinnata = 



gracillima 



— frutescens = 



Thecocarpus radiceilatus = 



Cladocarpus Holmi = 



= Lafra gracillima 



= Lafaa fruticosa forma genuina and forma grandis 



= Grammaria serpens 

 = Zygophylax biarmata 



= Sertularia cupressina 



Dynamena pumila 

 Abietinaria (?) fusca 

 Abietinariii filicula 

 Xemertesia antennina 



ramosa 

 Ki r c hen patter ia pinnata 

 Polynemertesia gracillima 

 Poly pi it ma ria frutescens 

 Thecocarpus m yrioph vllu m 

 Cladocarpus integer 



The synonyms noted rednce the number of species by 9; furthermore, Ssemundsson (1902, 

 191 1) notes Turn's neglecta Lesson, which here probably represents a young colony of Clava- mul/i- 

 corfiis, and Diplura fritillaria (Haeckel) = Coryne fritillaria Steenstrup, an altogether uncertain species 

 (cf. Part I, p. 23). Renewed investigations must also decide what species is concealed under the name 

 Perigonimus repens. Altogether, we have then to reduce the 90 species noted by Scemundsson to 

 a certain 77. But the geographical details for these species are highly uncertain, as the determina- 

 tion has on revision often proved erroneous. In the revised collections, for instance, we find under 

 the old label u T//u/aria lonchitis" specimens of Thiijaria lonc/iitis, Thujaria laxa, Tint /una alfernitlicca, and 

 Thujaria carica, while under u Z,aomedea Hexuosa" we find labelled, besides specimens actually belonging 

 to that species, also others of Taomedea genicu/uta and Laomeden longissima. On the other hand, spe- 

 cimens of Laomedea longissima are distributed under the names of Laomeden tit xuosa, Laomedea long- 

 issima, and Laomedea gela/iuosa -- taking examples at haphazard. The details are apparent from the 

 notes under the separate headings. Even though the detailed records thus leave much to be desired, 

 we have nevertheless a pretty fair survey of the species comprised under the area as a whole. The 

 investigations have now added the following 14 new species to the list: 



Corymorpha groenlandica 

 Hydractiuia Sarsii 

 Stegopoma plicatile 

 Halecium scutum 

 Polypi it ma ria fla be I lot a 



Polyplumaria profunda 



//a I leu run ria eainpn intlatn 

 Nematocarpus ramuli ferns 

 Aglaophenopsis cornuta 



Cladocarpus formosus 



( 'ladocarpus bicuspis 



Sertularella amphorifera 



Dipliasia atteuua/a 

 TIi itja ria a If r nit It ecu 



