SCYPHOMEDUS.E OF THE AUSTRALIAN SEAS. 27 



Genus TOREUMA. Haeckel, 1879. 



With eight primate or trichotome mouth-arms. The upper arm continued 

 beyond the first ramification to form the main branch of the under arm in the 

 tertiary radius. Numerous club-shaped vesicles between the arm crisps 1G 

 radial canals, 8 marginal bodies. Four distinct sub-genital pouches. 



TOREUMA THEOPIIILA, E. Haeckel. 

 Toreuma theophila, E. Haeckel. Das System der Medusen. Seite 566. 



Cassiopeia dieupkida, Peron et Lesueur. Tableaux des Meduses, page 



356. 

 Cassiopeia thcophila, T. de Lamarck. Histoire Naturelle des Animaux sans 



Vertebres, tome ii, page 511. 



Rhizostoma theophila, Fr. Eschscholtz. System der Acalephen. Seite 53. 



Polydoma thcophila, L. Agassiz. Monograph of the Acalephes. Contribu- 

 tions to the Natural History of the United States ; volume iv., page 

 159. 



Toreuma theophila, R. v. Lendenfeld. The Scyphomedusre of the Southern 

 Hemisphere. Proceedings of the Linnean Society of New South Wales ; 

 volume ix., part 2, page 283. 



Umbrella semi-spherical 2 3 times as broad as high. Margin with 96 

 short coalescing flaps, in each octant 10 velar flaps between two very small 

 velar flaps. Ex-umbrella roughly granulated, studded with warts, with 

 small oval white spots on the marginal flaps. Eight arms about as long as 

 the umbrella radius. Witli three or four pair of broad and flat main 

 branches. Between the clusters of crisps numerous small and 10 or 20 large 

 club-shaped vesicles. The latter two or three times as long as the breadth of 

 the main branches. 



Colour. Umbrella, brownish-red, with white spots on the margin flaps. 

 Gonads and vesicles, white. 



Size. Diameter of umbrella, 60 80 mm. ; height, 20 30 mm. 



Locality. Nord-west coast of Australia, de Witt's Land, Peron. 



Genus VERSURA. Haeckel, 1879. 



With 8 pinnate or trichotome mouth-arms, mouth-ci'oss with perradial 

 forked suctorial crisps, without central frils. Sub-genital pouch continuous. 

 Brachial disc derided from the umbrella. 



VERSURA VESICATA, E. Haeckel. 



Versura vesicata, E. Haeckel. Das system der medusen. Seite 645. 

 Versura vesicata, R. v. Lendenfeld. The Scyphomedus;v of the Southern 



Hemisphere. Proceedings of the Linnean Society of New South Wales; 



volume ix, part 2, page 296. 



