8 Gael. 
CCELEETERATA. 
cliff; this species differs from S. minima , D’A. W. Thompson, in the 
absence of the short transverse marking along each margin of the hydro- 
rhiza. S. bicornis, sp. n., Bale, (2) p. 22, pi. xii. fig. 3, Queenscliff ; S. 
acanthostoma , fig. 4, Robe, S.A. ?, and S. recta , fig. 5, Brighton, S.A., 
spp. nn., Bale, (2) p. 23, pi. xii. 
Sertularella Icevis , p. 24, pi. xii. fig. 6, Williamstown ; S. indivisa, ibid, 
pi. xii. fig. 7, Williamstown, St. Kilda ; S. solidula , ibid. pi. xii. fig. 8, 
Williamstown ; S. pygmcea, p. 25, pi. xii. fig. 9, Queenscliff, Griffith’s 
Point (closely resembles S. johnstoni, Gray, in the form of the calycles, 
but differs in its minute size and simple habit), and S. macrotheca , ibid, 
pi. xiii. fig. 1, Griffith’s Point, Bale, (2), spp. nn. 
Thuiaria lata , sp. n., Bale, (2) p. 2G, pi. xiii. fig. 2, Griffith’s Point. 
Halicornopsis, g. n., Bale, (2) p. 26 ; hydrothecae unilateral, uniserial, 
with a single sarcotlieca attached to the front of each ; no other sarco- 
thecae on the polypidom ; gonothecae without corbulac. II. avicularis , 
sp. n., Bale, (2) p. 26, pi. xiii. fig. 3, Robe and Point Elliott, S.A. ?. 
Aglaophenia swperba, p. 27, pi. xiii. fig. 4, Griffith’s Point; A. asci- 
dioides, p. 32, pi. xiii. fig. 5, Queenscliff (closely allied to A. super ba, but 
much smaller, and differs in the number and arrangement of the teeth of 
the calycles, &c.) ; A. ilicistoma, p. 33, pi. xiv. fig. 4, Queenscliff, Robe, 
S.A. ? ; A.thompsoni , p. 33, pi. xiv. fig. 1 (= A .1 ongirostris, Kichenpauer, 
var.), Griffith’s Point, S. Australia; A. prolifera , p. 34, pi. xiv. fig. 5, 
Queenscliff; A. parvula, p. 35, pi. xiv. fig. 3, Queenscliff (closely resembles 
the British species, A . pluma) ; A. maccoyi , p. 36, pi. xiv. fig. 2, Queens- 
cliff, Robe, S.A. F ; A. plumosa , p. 37, pi. xiv. fig. 6, Queenscliff, Aldinga, 
S.A. p : Bale, (2) spp. nn. 
Plumularia indivisa, p. 39, pi. xv. fig. 1, Williamstown ; P.producta, p. 39, 
pi. xv. fig. 3, Queenscliff ; P. setaceoides , p. 40, pi. xv. fig. 4, Williamstown, 
Queenscliff ; P. delicatula, p. 40, pi. xv. fig. 2, Griffith’s Point ; P. gold- 
steinij p. 41, pi. xv. fig. 7, Queenscliff; P. hyalina , p. 41, pi. xv. fig. 9, 
Queenscliff; P. spinulosa , p. 42, pi. xv. fig. 8, Queenscliff ; P.pulchella, 
p. 42, pi. xv. fig. 6, Queenscliff; P. compressa , p. 43, pi. xv. fig. 5, Robe, 
S.A. ? : Bale, (2) spp. nn. 
Plumularia fragilis y sp. n., Hamann, (17) p. 529, pi. xxv. fig. 1, Naples. 
Chromatonema , g. n., Fowkes, (11) p. 305, for C. rubrum , sp. n., id. ibid. 
pi. i. fig. 40, Coast of Now Euglaud. 
Order iii., Trachomedusas. 
Aglaura vitrea , sp. n., Fewkes, (11) p. 277, pi. vii. fig. 10, Tortugas. 
Order iv., Narcomedusas. 
Halicreas , g. n., Fewkes, (12) p. 306, for II. minimum , sp. n., id. ibid. 
The genus is the type of a new family related to the Discophora more 
intimately than are the Narcomedusce , among which it will probably be 
placed. 
Order vi.^ Siphonorhora. 
Stephanomia ( Forshalia ) atlantica , sp. u., Fewkes, (11) p. 264, pis. v. 
