HYDROZOA-— RITCHIE. 817 



Lafo'ea cylindrica, Yon Lendenfeld, Proc. Linn. Soc. N.S. Wales^ 



ix., 1884, p. 912, pi. xL, figs. 4, 5. 

 Lafo'ea scandens, Bale, Proc. Linn. Soc. N.S. Wales, (2), iii., 



1888, p. 758, pi. xiii., figs. 16-19. Id., Warren, Ann. Natal 



Govt. Mus., i., 1908, p. 341, fig. 21. 

 Hehella cylindrata, Marktanner-Turneretscher, Ann. K K. Hof- 



mus.'Wien, v., 1890, p. 214, pi. iii., fig. 15. 

 Hehella contorta, Marktanner-Turneretscher, Op. cii., p. 215,. 



pi. iii., tig. 17. 

 Hebella cylindrica, Pictet, Rev. Suisse Zool., i., 1893, p. 41, pi. ii,^ 



fig. 36. 

 Hehella calcarata, Nutting, Bull. U.S. Fish. Comm., xix., 1901^ 



p. 353, fig. 56. 



Stations 10, 36, and 44. 



Localities — Common on Synthecium orthogonium, from Station 

 10, ofi" Broken Head, tvt^o to four and a half miles from shore ^ 

 depth, 28 fathoms ; bottom, fine sand ; 22nd Feb., 1898. 



Rare on Serttdarella adpressa and Synthecium orthogonium 

 from Station 36, off" Botany Bay, one mile from shore; depth,. 

 23 to 20 fathoms; bottom, saud to rock ; 11th March, 1898. 



Rare on Polyzoon from Station 44, off" Coogee, five to six miles 

 from shore ; depth, 49 to 50 fathoms; bottom, fine sand; 15tb 

 March, 1898. 



Family LAFOEID^. 



LAFOEA GRACILLIMA, Alder. 



Forma typica. 



Campamdaria gracillima. Alder, Trans. Tynes. Nat. F. Club- 

 iii., 1857, p. 39, pi. vi., figs. 5, 6. 



Lafo'ea fruticosa, Hincks (in part), Hist. Brit. Hydroid Zoophytes^ 

 1868, p. 202, pi. xli., fig. 2. Id., Bale, Cat. Austr. Hydroid 

 Zoophytes, 1884, p. 64, pi. ii., fig. 1. 



Lafo'ea gracillima, G. 0. Sars, Forhandl. Vidensk. Selsk. Kristi- 

 ania, 1873, p 27, pi. iv., figs. 19-21. Id., Bonnevie, Nor- 

 wegian North Atlantic Expedition, 1876-78, Zool., Hydroida^ 

 1899, p. 65, pi. v., fig. 2a. Id., Jaderholni, Kungl. Sven.ska 

 Vetens.-Akad. Handl., xlv., 1909. p. 74, pi. vii., figs. 6 8. 

 Id., Broch, Die Hydroiden der arktischen Meere in Fauna 

 Arctica, v., 1909, p. 156, figs. 17, 18. 



