AUSTEALIA A.^"B TASMiJLXrA. 39 



Ili/aleea Forskahlil, Lesueur, MS., in de BJainville, Ilyale, Diet. d. Sci. Nat. 

 A'ol. XXII, p. 79, 1821. 



HijalcBa affinis, d'Orbignj, Voyage dans^ I'Amerique meridionale, Vol. V., 

 p. 91, pi. 3, figs. 6, 10, 183G. 



Hyalcea tridentafa, Lamarck (ed Deshayes), Vol. VII, p. 115, 1836. 



Hyahea Iruncnta, Krauss, SiidafricauischeMollu8keB, p. 31, pi. 2, fig. 12 (non 

 Lesueur), 1848. 



Cavoliiia tridentata, Clray, Catalogue of the Mollusca in the the Britisli 

 Museum, part II, Pteropoda, p. G, ^o. 1, 1850, 



HyalcBa tridentata, Eydoux et Souleyet, Voyage de la " Bonite," Zoologie, 

 Vol. IV, p. 137, pi. 4, figs. 1 to 7, 1852. 



Hyalcea tridentata, Eang et Souleyet, Hist. JVat. de Moll., Pteropodes, p. 35, 

 pi. 2, figs. 1, 5, G, pi. 12 ; figs. 1, 4, 1852. 



Guvolinia telemus, A. Adams, On the Synonyms and Habitats of Cavolinia, 

 Diacria, and Pleuropus, Ann. and Mag. Nat. Hist., Series 3, Vol. Ill, 

 p. 41, 1859. 



Hyalcea ajfinis, So^'erby in Reeve, Conch. Icon., Vol. XX, Pteropoda, pi. 1, 

 fig. 3, 1877. 



Hyalcea tridentata, Sowerby in Eeeve, Conch. Icon., Vol. XX, Pteropoda, 

 pi. 1, fig. 4, 1877. 



Hyalcea Caminyii, Sowerby in Eeeve, Conch. Icon., Vol. XX, Pteropoda, pi. 

 1, fig. 5, 1877. 



Hyalaa Caminyi, Sowerby, Thes. Conch., Vol. V, Pteropoda, pi. 1, fig. 4, 1884. 



Hyalcea tridentata, Sowerby, Thes. Conc'i., A'ol. V, Pteropoda, pi. 1, fig. 5, 



1884. 

 Hyalcea affinis, Sow^erby, Thes. Conch., Vol. \ , Pteropoda, pi. l,fig. 10, 1884. 



Hyalcea tridentata, Boas, Spolia Atlantica, p. 115, pi. 1, fig. 8 ; pi. 2, fig. 19, 

 p. 211, 1S8G. 



Cavolinia tridentata, Pelseneer, Eeport on the Pteropoda of H.M.S. " Chal- 

 lenger," Zoology, Vol. XXIII, p. 83, 1888. 



Hahitat. — Broken Bay, Port Stephens (A.M.) ; Bellinger Eiver, New^ 

 South Wales; beaches after stormy weather. (J. Brazier). 



Cavolinia uncinata, Eang. 

 Hyalcea uncinata, Eang, MS., in d'Orbigny, Voyage dans I'Amerique 



meridionale, A'ol. V, p. 93, pi. 5, figs. 11, 15, 1836. 

 Cavolina uncinata, Gray, Catalogue of the Mollusca in the British Museum, 



part II, Pteropoda, p. 7, 1*^50. 



