38 



RECORDS OF THE AUSTKALIAN MUSEUM. 



Gonosome. — Gonaiigia are present on several of the colonies. The 

 aperture of each gonaugiuni is provided Avitli a narrow denticulated 

 collar. 



Di))ie>isioiis. — 



Total height ... ... ... up to 3 mm. 



Stem iiiternode, length ... ... ... ... ... n-31-0-33 mm. 



Stem internode, diameter at base of liydrDtheea ... o- 10-0- 12 mm. 



Hydrotheca, length of external profile ... ... 0-24-0-27 mm. 



Hydrotheca, length of free portion ... ... ... 0"l-i-01o mm. 



Hydrotheca, length of adnata portion ... ... U-19-()-21 mm. 



Hydrotheca, diameter at mouth ... ... ... O-07-0-08 mm. 



Gouangium, length ... ... ... ... ... 1-09-1-2U mm. 



Gonangium, maximum diameter ... ... ... ()-87-n-88 mm. 



Loc. — Growing on seaweeds tlirown up on the sandy beach uC the 

 lagoon, Lord Howe Island. 



Didribntio)!. — Previously recorded from New Zealand (Coughtrey) ; 

 Cape of Good Hope (Allman) ; St. Vincent Gulf, Adelaide (Thompson) ; 

 Victoria (Bale, Mulder and Trebilcock) ; New South Wales (Marktanner- 

 Turneretschei', Ritchie) ; Port AVilliam, Falkland Islands ( Jjiderholm) ; 

 Suez (Thornely) ; Deuhani Bay, Sunday Island, Kermadecs (Hilgendorf) : 

 Southern Chili, Fitzroy Canal (Jaderholm) ; Nuyts Archipelago, Great 

 Australian Bight (Bale). 



Genus Thuiaiua, Fleniing. 

 Thuiaria sinuosa, Bale. 

 Tliniaria siunof^n, Bale, Biol. Res. "Endeavour," iii., 5, 1915, ]>. 271' 

 (references). 



The curvature of the li3'drotheca3 is not so pronounced as in the type, 

 but otherwise the specimen agrees with Bale's descii[)tion and hgures. 

 Gonangia ai-e present on the pinnge. 



Loc. — Middle Beach, Loi-d Howe Island. 



bistn'lnitluii. — Previously recorded from Port Molh-, (^)neeusland 

 (Bale) ; Jervis Bay and Shoalhaven Bight, Ncav South Wales (Ritchie, 

 Bale) ; Queensclitt' (P), Victoria (Mulder and Trebilcock) ; Seven miles 

 east of Cape Pillar, Tasnumia, lUO fathoms (Briggs) ; ({real Australian 

 Bight, 100 fathoms (Bale). 



TuuiAHiA I Clin,! I'oi: MIS (Mafht'iinn'r-'runieretfrh,'!-). 

 Dijnatni'iin I iihitl{for))(is, MarktanniM--Turnerctscher, Ami. I\.K. Ildfimis. 



Wien, v., 1890, p. 'i^H, p|. iv., lig. 10. 

 Thujaria tabtdifoniiit', Billard, Bull. Mus. llistoire Naturelle, x., ll>04, 



p. 482. 

 Tldtidria tubuliformiX, Nutting, .Vmerican Jlydioids, pt, II., — Sertularida:. 



1904, p. 70, pi. xi., hgs.' 1-S. /,/., Clarke, Mem. Mus. Comp. Zool. 



Harvard, xxxv., l!H)7, p. 14, pi. ix., Hgs. 1-5. /./., Billard, Hull, 



Mus. Histoire Naturelle, xiii., 1907, p. 275. /</., Wan-en, Ann. Natal 



Govt. Mus., i., M, 1908, p. 314, fig. 12. Id., Thornely, Journ. hinii. 



Soc, xxxi., 1908, p. 83. Id., Ritchie, Proc. Zool. Sec, 1910, ]>. 882. 

 Sertularid regi^r, Pictet, Rev. Suisse de Zool., i., 1893, p. 11, pi. ii., 



tigs. 37-38 (not Thuiaria viujn', Thompson). 



