AUSTRALIAN HYDROSIEDUS^E. 41 



184. Sertularia typica. V, Lendenfeld. (93) 413. 



Dynamena sertularoides (83) 173, (8.")) 289. 

 Sertularia sertularoides (71) 96. 

 Australia. 



Ill Division. DICHOTOMOUSLY BRANCHED SPECIES. 



185. Sertularia rigida. Lamouroux. (9) 97, (15) 481, (83) 190, (85) 681, 



(93), 414. 



Australia. 



IV Division. PINNATE SPECIES. 



186. Sertularia simplex. V. Lendenfeld. (98). 

 East coast of New Zealand (Lyttelton). 



187. Sertularia tubiformis. De Lamarck. (9) 95, (82) 153, (93) 412. 



Dynamena tubiformis (15) 484, (83) 178, (95) 289, 

 Australia. 



1S8. Sertularia orthogonia. Busk. (9) 88, (18) 390, (93) 411. 

 North coast of Australia (Torres Straits). 



ISO. Sertularia patula. Busk. (9) 88, (18) 390, (93) 411. 

 South coast of Australia (Bass' Straits, Port Phillip). 



II GROUP. HYDROTHECA WITH TWO SMALL PROTUBERANCES. 



PINNATE. 



190. Sertularia Australis. VV. Thompson. (9) 72, (93), 408 (127) 105. 



Dynamena Australis (72) 11. 



South coast of Australia (Port Phillip), Tasmania (George Town), New 

 Zealand. 



191. Sertularia penna. Bale. (9) 74, (93) 409. 



Dymon&ma penna (71) 11. 

 South coast of Australia (Bass' Straits), Van Diemen's Land. 



192. Sertularia bicornis. Bale. (8) 22, (9) S3, (93) 410. 

 South coast of Australia (Port Phillip). 



193. Sertularia trigonostoma. Busk. (9) 84, (18) 392, (93)410. 



North coast of Australia (Torres Straits), East coast of Australia (Albany 

 Passage). 



194. Sertularia tuba. Bale. (9) 87, (93) 411. 



S mth coast of Australia (Port Phillip, Portland). 



