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THE HYDROIDS OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 67 



GYMNOBLASTEA. 



Family Podocorynid^e. 



Podocoryne carnea, Sars, 1846. 



Family Myriothelid^e. 



* Myriothela austro-georgix, Jaderh., 1904, p. 69. 



Family Eudendrid^e. 



* Eudendrium annidatum (?), Norman, 1864, p. 70. 



Family Atractylice. 



* Perigonimus repens (??), (Wright, 1858), p. 70. 



Halecium arboreum, Allman, 1888. 

 (= ,, robustum, Allman, 1888.) 

 „ beanii (Johnston, 1838). 



CALYPTOBLASTEA. 



Family Haleciid,e. 



Halecium lialecinum (Linn., 1758). 



,, interpolatum, Ritchie, 1907, (1). 

 ,, tenellum, Hincks, 1861. 



Family Campanularid^e. 



* Clytia johnstoni (Alder, 1857), p. 71. 

 Campanularia angulata, Hincks, 1861. 



,, clytioides (Lamx., 1824), p. 71. 



,, tincta, Hincks, 1861. 



sp., Ritchie, 1907, (1). 



* Obelia geniculates (Linn., 1758), p. 72. 



* ,, hyalina, Clarke, 1879, p. 72. 



* ,, longissima (Pallas, 1766), p. 72. 



* Eucopella crenata(1), Hartlaub, 1901, p. 73. 

 Silicularia hemisphxrica (Allman, 1888). 

 Hebella striata, Allman, 1888. 



„ „ var. plana, Ritchie, 1907, (1). 



Calycella syringa (Linn., 1758). 



* Campanulina clrilensis, Hartlaub, 1905, p. 74. 



* Thyroscyphus tridentatus (Bale, 1893), p. 74. 



Family Lafoeid^e. 



Lafoea aidarctica, Hartlaub, 1905. 

 „ gracillima (Alder, 1857). 

 ,, ,, var. benthophila, n. var., p. 76. 



Grammaria magellanica, Allman, 1888. 

 Brucella armata, Ritchie, 1907, (1). 



Family Sertularid^e. 



Sertularella arborea, Kirchenpauer, 1884. 

 „ contorta, Kirchenpauer, 1884. 



„ filiformis, var. reticulata, Ritchie, 



1907, (1). 

 „ fusiformis (?), Hincks, 1861, p. 77. 



„ gayi (Lamx., 1821), p. 78. 



,, rectitlieca, Ritchie, 1907, (1). 



tenella (Alder, 1857). 

 ,, tricuspidata (Alder, 1856). 



* Sertularia cornicina (M'Crady, 1859), p. 78. 



* „ heterodonta, n. sp., p. 79. 



* 



* 



,, mayeri, Nutting, 1904, p. 81. 



,, operculata, Linn., 1758, p. 82. 



,, rathbuni, Nutting, 1904, p. 83. 

 * Thuiaria articulata (Pallas, 1766), p. 84. 

 (= ,, pectinata, Allman, 1888.) 

 Synthecium robustum, Nutting, 1904. 

 Staurotheca reticulata, Ritchie, 1907, (1). 



