408 THE AUSTRALIAN HYDROMEDUSjE, 



SERTULARIA TRISPINOSA. Coughtrey. 



This species has been discovered in New Zealand by Coughtrey 

 (1), Bale (2), believes to be able to refer a Victorian Hydroid to 

 S. trispinosa. 



The Sertularia operculata cf W. Thompson is probably the 

 same. (3) 



8TERTULARIA MAPLESTONEL Bale. 

 This species found in Portland has been described by Bale (4.) 



SERTULARIA BIDENS. Bale. 



This species found in Queenscliff and Williamstown has been 

 described by Bale (5.) 



SERTULARIA PULCHELLA. W. Thompson. 



This species found in George Town and in South Australia has 

 been described by Thompson (6), who thinks that the Sertularia 

 bicuspidata of Lamarck is the same. It is however, according to 

 Bale (7), different from the species described under that name by 

 Heller. 



SERTULARIA AUSTRALIS. Thompson. 



This species was first described by Kirchenpauer (8) under the 

 name of Dynamena australis, and afterwards by Thompson (9). 

 It is found in Victoria and New Zealand. 



(1.) Coughtrey. Trans. New Zealand Inst., Vol. VII. 



(2. ) Bale. Catalogue of the Australian Hydroid Zoophytes, p. 70. 



(3. ) W. Thompson. Annals and Magazine of Natural History, February, 

 1S79, p. 107. 



(4. ) Bale. Catalogue of the Australian Hydroid Zoophytes, p. 70. 



(5.) Bah. Catalogue of the Australian Hydroid Zoophytes, p. 70. 



(6.) W. Tliompson. Annals and Magazine of Natural History, February, 

 1879, p. 10S, 



(7.) Bale. Catalogue of the Australian Hydroid Zoophytes, p. 72. 



(8.) Kirchenpauer. Dynema Verhandlungen Akademie der Naturforscher, 

 1S64. Seite, 11. 



(9) Thompson. Annals and Magazine of Natural History, February, 

 1S79, p. 105, 



