16 God . 
CGELENTEEATA. 
fathoms) ; tenellum, sp. n., id. 1. c. p. 8, pi. iv. figs. 3 & 4 (Shot Key, 471 
fathoms) ; cochleatum, sp. n., id. 1. c. pi. v. figs. 1 & 2 (Cape Fear River, 
6 fathoms). E. sp., Clark (3), p. 253, pi. xxxviii. fig. 3 (California). 
Lh'iopsis, g. n. (Geryonidamm), Claus (4). Radial canals four; eight 
tentacles of equal length, no lingual cone, and no centripetal canal ; the 
elongate sexual organs continued from the peduncle, only interrupted by 
a free space, to the margin of the disk ; eight marginal vesicles between 
the eight tentacles. L. campanulata^ sp. n., p. 11 (Trieste). 
Ehopalonema velatum, Ggb., figured by Spagnolini (17), pi. vi. figs. 3-5. 
Theoaphora (Calyptoblastioa) and allied Gymnophthalmio 
(Ouaspedote) Medusac. 
Medum figured by Spagnolini (17) : Thaumantias (Cosmetira punctata, 
Iliick. P), pi. iv. fig. 1, Fhialidium ferruyineum, Hiick. (pi. v. figs. 1 & 2), 
viridicans, Leuck., pi. v. figs. 3-6, and Ohelia gyinnophthalma, P4ron 
(pi. vi. figs. 1 & 2). 
Ohelia marginata, sp. n., Allman (11), 1. c. p. 9, pi. vi. figs. 1 & 2 (Logger- 
head Key, 9 fathoms) ; longicyathus, sp. n., id. 1. c. p. 10, pi. vii. figs. 
4 & 5 (off Florida Reef, 90 fathoms). 
lliyroscyphva, g. n. (Campanulidarum), id. 1. c. Ilydrocaulus divided 
into internodes, each carrying a pedunculate hydrotheca, whose orifice is 
closed by an operculum formed by four converging valves (gonosome 
unknown). 'T. ramosus, sp. n., id. 1. c. p. 11, pi. vi. figs. 5 & 6 (Sand 
Key, 10 fathoms). 
Campanularia macroscypha, sp. n., id. 1. c. pi. viii. figs. 1 & 2 (Sand 
Key), 120 fathoms) ; everta, sp. n., Clark (3), p. 253, pi. xxxix. fig. 4 
(California) ; cylindrical sp. n., id. 1. c. p. 254, pi. xxxix. fig. 1, fusi/ormis, 
sp. n., id. 1. c. fig. 2 (California and Vancouver Island). 
On the probable occurrence of Lafoeina tenuis, Sars, on British coasts ; 
Hincks (9), p. 152. 
Lafoea venusta, sp. n., Allman, 1. c. pi. v. fig. 3 (Loggerhead Key, 9 
fathoms), tenellula, sp. n., id. 1. c. p. 12, pi. viii. figs. 3 & 4 (Marquesas, 
140 fathoms), coalescens, sp. n., id. 1. c. p. 13, pi. x. (Marquesas), conval- 
laria, sp. n., id. 1. c. p. 12, pi. ix (Florida Reef, 152 fathoms). 
Cuspidella pedunculata, sp. n., id. 1. o. p. 13, pi. viii. figs. 5 & 6 (Tor- 
tugas, 260 fathoms). 
[i7] Oplo [r\rJiiza, g. n. (Lafoeinarum), id. 1. c. Hydro thecae tubular, pro- 
vided with a flow and having the orifice cut into thin collapsible segments ; 
borne by peduncles, which spring from a creeping network of tubes ; 
hydrorhizal network carrying tubular receptacles with an orifice in the 
summit, and enclosing a granular fleshy column, supporting a cluster of 
thread cells. (Gonosome unknown). 0. parvula, sp. n., id. 1. c. p. 15, 
pi. vii. figs. 1-3 (Marquesas, 296 fathoms). 
Halecium jilicula, sp. n., id. 1. c. pi. xi. figs. 1-4 (Marquesas, 140 
fathoms), capillare (Pourt.), id. 1. c. p. 16, pi. xi. figs. 5 & 6, macrocephalum, 
sp. n., id. ibid., pi. xii. figs. 1-5 (Sand Key, 120 fathoms) ; H. tenellum, 
Hcks., Clark (3), pi. xxxix. fig. 5 (California). 
