HYDROIDA. — BALE. 243 



Cladocarpella muUiseptata, gen. et sp. nov. 



Aglaophenia divaricata (Busk). 



Aglaophenia divaricata (Busk), var. cystifera, var. nov. 



Aglaophenia decumbens, Bale. 



Aglaophenia tasmanica, Bale. 



Aglaophenia billardi, Bale. 



Aglaophenia dannevigi, Bale. 



Aglaophenia carinifera, Bale. 



Aglaophenia cupressina, Lamouroux. 



Aglaophenia {Thecocarpus ?) armata, Bale. 



Aglaophenia {Thecocarpus) megalocarpa, Bale. 



Aglaophenia {Thecocarpus) tenuissima, Bale. 



Aglaophenia {Thecocarpus) calycifera, Bale. 



Halicornaria vegce, Jaderholm. 



Halicornaria tubulifera, Bale. 



Halicornaria birostrata, Bale. 



Halicornaria urceolifera (Lamarck). 



Halicornaria urceolifera (Lamarck), var. scandens, Bale. 



Halicornaria furcata, Bale, var. intermedia, Bale. 



Halicornaria superba, Bale. 



The species represented were almost wholly collected in 

 the waters to the south of the Continent, from the Great 

 Australian Bight to the Eastern Slope (to the east of Bass 

 Strait and Tasmania), the chief exceptions being three or four 

 species which were collected near Port Curtis, Queensland. 



II. — Nomenclature. 



As a matter of convenience the species are arranged under 

 the genera and families with which it has been customary to 

 associate them ; at the same time it is recognised that in 

 several cases (especially among the Sertulariidae), modifica- 

 tions of some of these genera will in all probability meet with 

 general acceptance ; but while the prevailing differences of 

 opinion obtain, full consideration of these points may well 

 be deferred. This will be further referred to under the 

 respective families. I have found Stechow's^ concise tabular 

 view of the whole of the genera of the Hydroida very useful 

 for reference, though I do not concur as to the validity of 

 some of the genera included in it. 



III. — Literature. 



I have done my best to obtain such recent literature as 

 might be expected to contain references to our Australian 



1. Stechow — Hydroidpolypen der japanischen Ostkijstc, II. Teil^ — Abh. 

 math-phys. Klasse K. Bayer Akad. Wissensch., III. Suppl.-Bd., 1913. 



