248 Transactions. 
Sertularia bispinosa (Gray). 
ттм Tera Pes e 1896, p. 462: bp mt dd p. 206: Jader 
holm, 1903, p. 2 Hartlaub, ie p. 373: Nu 04, p. 56: Bartlett 
1907, ; pz ol Billard, 1910, p. 18: Mulder in. ‚Жоел 1914, p. 6: 
Briggs, 1918, p : Jade m iiir р. 
Sertularia opercula ^» es ub, 1905, p. 664 (in un 
Odontotheca bispinosa Levinsen, 1913, p. 308. 
A specimen from Sumner is in Professor Chilton's collection. Hydro- 
thecae of this species differ from those of S. operculata in having upper 
portion free and abruptly contracted on inner side onangia are com- 
pressed, with a shoulder at each side often produced upwards into an erect 
process. 
Sertularia unilateralis Allman. 
Sertularia Taeao Allman, 1885, p. 139 : Farquhar, 1896, p. 463. 
Sertularia Pies оза Billard, 1910, p. 18 (ia part). 
Sertularia trispinosa Coughtrey. 
Sertularia trispinosa Coughtrey, 1874, б ч, cant p. 300; 1876, p. 28: 
Ridley, 1881, p. 104: Bale, 1884, 6, p. 92: Farquhar, 1896, 
р. 462 : Hilgendorf, 1897, p. 207: t eU 1905, p. 668 : Bartlett, 1907, 
р. 62: Jäderholm, 1916-17, 
Odontotheca trispinosa Сен, 1913, Pp. 2% 318. 
pecimens 
what more lax and delicate than others I have seen. Though a member 
of the operculata group, the species is sharply — from all the 
rest by third tooth on hydrotheca-margin. Levinse s figure of hydro- 
theca 1 із the best. Hilgendorf erroneously describes ps (which he 
«alls “ gonophores ”) as (Mee two large teeth on each side of orifice. 
Sertularia unguiculata Busk. 
паси quguiculata Farquhar, 1896, p. 463: Bale, 19145, pp. 16, 11; 1915. 
p.2 
І have given the full synonymy in 1914, р. 16. Thuiaria ambigua 
pauer), described hy Thomson in the sa e paper, the dwarf form. 
A specimen of the latter, from Lyttelton, is in pep asm Chilton’ s collection. 
Sertularia minima Thompson, 
Seriularia minima Farquhar, 1896, p. э: Hilgeodort 1897, p. 209 : Teeth 
24: Thornely, 190 : 1910, AT 
Fasten 1910, p. 3: rd red ‘1911, PES Айак, 1911, 
ие ewe Trebileock, 1914, p. 39: Bale, 1915, p. 269 (synonymy) : "riego 
Odon 
M" 
totheca minima Levinsen, 1913, p. 308. 
Euer EOS TONS VR, 
РЕ aie, Lee 
