12 Goel. 
CCELENTEEATA. 
hydrocaulus. Reproduction through gonophorea(the male gonophores only 
are known) provided with four radiating canals and one encircling tlie 
. terminal orifice ; the gonophores are developed from the supra-basal por- 
tion of the hydranth, between the two inferior tentacular cycles. Also 
an' asexual propagation through buds developed from the infra-tentacular 
basis of the hydranth. T. singularis^ sp. n., id. 1. c. (Muggia Bay, on 
Cystosira tufts). 
Perigonimus (?) multicorniSy sp. n., Allman (3), p. 252, pi. ix. figs. 1 & 2 
(Kattegat). 
Endendrium rigidum^ sp. n., id. 1. c. p. 253, pi. ix. figs. 3 & 4 (Denmark ; 
allied to E. capillare); pygmceum, sp. n., Clark (5), p. 232 (Alaska). 
Ilydractinia monocarpa^ sp. n., Allman (3), p. 254, pi. x. figs. 1-3 
(Spitzbergen, on Trophon clathratum), 
Podocoryne inermiSy sp. n., id. 1. c. p. 255, pi. x. figs. 4 & 5 (Denmark, 
on Nassa reticulata ; perhaps a variety of P. carnea). 
Coryne (?) conferta, sp. n., id. (4), p. 115 (Kerguelen Island). 
Cladocoryne pelagica, sp. n., id. (3), p. 255, pi. x. figs. 6 & 7 (on Gulf 
weed). 
Tuhularia borealis, sp. n., Clark (5), p. 231 (Alaska). 
Ainalthcea (?) islandica^ sp. n., Allman (3), p. 256, pi. ix. figs, 5 & 6 
(Iceland). 
Monocaulus groenlandicus, sp. n., id. 1. c. p. 257, pi. ix. figs. 7 & 8 
(Greenland). 
Phizonema, g. n., Clark (type of family “ ”). Polypites 
solitary, unconnected, attached by filaments developed from the swollen, 
mamillate, basal portion of the polypite ; tentacles of two kinds (?), 
the inner ab-oral ones branched. P. carnea, sp. n., id. (5), p. 233 
(Alaska). 
Tiaropsis indicans, sp. n., Romanes (23), i. p. 525, ii. pi. xv. fig. 1, 
oligoplocama, sp. n., id. ibid. fig. 4, polydiademata, sp. n., id. ibid. fig. 3 
(Cromarty Frith). 
Sarsia erythrops, sp. n. ?, id. 1. c. p. 526 (Cromarty Frith) ; a six-rayed 
Sarsia, id. 1. c. p. 527. 
Bougainvillea gigantea, sp. n. ?, and allmanni, sp. n.p id. ibid. (Cromarty 
Frith). 
Stomobrachium octocostatum, Forb., var., id. ibid. 
Thaumantias crucifera, sp. n., id. ii. p. 190, pi. xv. fig. 2 ; helicobostrycha, 
sp. n., id. ibid. fig. 5. 
Thecaphora (Caly?toblastica). 
. Ilypanthea, g. n., Allman (4). Hydrothecm pedunculate, inoperculate, 
walls enormously thickened, encroaching upon the cavity so as to prevent 
the complete retraction of the hydranth ; gonangia enclosing fixed sporo- 
sacs. U. repens, sp. n., id. 1. c. p. 115 (Kerguelen’s Island). 
Campanularia crenata, sp. n., id. (3) p. 258, pi. xi. figs. 1 & 2 (Japan, 
on Thuiarid) ; grandis, sp. n., id. 1. c. p. 259, pi. xii. figs. 2-4 (Japan, on 
Selaginopsis) ] gracilis, sp. n., id. 1. c. p. 260, pi. xii. figs. 5 & 6 (Japan); 
juncea, sp. n., id. ibid. pi. xii. figs. 3 & 4 (Ceylon) ; cylindrica, sp. n., id. (4\ 
p. 114 (Kergueleu’s Island); bilabiata, sp. n., Coughtrey (7), p. 25 (New 
