OPHTUKID^IC. 
Ech. 7 
id. ibid. p. 87, pi. Hi. figs. 58-60, Southern Seas, 2600 fath. ; lienosa, sp. u., 
id. ibid. p. 88, pi. Hi. figs. 80-82, Southern Seas, 1950 fath. ; radiata, 
sp. n., id. ibid. p. 89, pi. iii, figs. 65 & 66, 1050 fath., undata, sp. n., 
id. ibid. p. 90, pi. iv. figs. 101 & 102, 1450 fath., lapidaria, sp. n., 
id. ibid. pi. iii. figs. 67-69, 565 fath., solida, sp. n., id. ibid. p. 91, 
pi. V. figs. 120-122, 129 fath., rugosa, sp. n., id. ibid, p 92, pi. iv. figs. 90 
& 91, 700 fath., B.Jid ponderosa, sp. n., id. ibid. p. 93, pi. ii. figs. 52-54, 
340 fath.. Eastern Seas ; minuta, sp. n., id. ibid. p. 94, pi. v. figs. 
117-119, Southern Seas, 1800 fath. ; inermis, sp. n., id. ibid. p. 95, pi. v. 
figs. 123-125, off Tristan d’Acunha, 500 fath. (stands on the limits of 
Ophioglypha, lacking the arm-comb, and having only a trace of the 
papillae along the genital scale below) ; deshayesi, sp. n., id. ibid. p. 96, 
pi. ii. figs. 35-37, Kerguelen Island, &c., 28-150 fath. ; inornata, sp. n., 
id. ibid. p. 97, pi. ii. figs. 26 & 27, Atlantic, 1850 fath. ; confragrosa, 
sp. n., id. ibid. pi. ii. figs. 38 & 39-57, Southern Atlantic, 600 fath. ; 
intorta, sp. n., id. ibid. p. 98, pi. ii. figs. 41-43, off Marion Islands, 50-75 
lath. A synoptical table of the species of Ophioglypha described (11a) 
is given, pp. 66-67. 
Ophiocten amitinum, sp. n., Lyman (11 a), p. 100, pi. v. figs. 129 & 130, 
Kerguelen and Prince Edward’s Islands, &c., 85-1260 fath. ; umbraticum, 
sp. n., id. ibid. p. 101, pi. v. figs. 131-132, Atlantic, 2650 fath. ; p>allidum, 
sp. n., id. ibid. p. 102, pi. v. figs. 126-128, Southern Seas, 1975-2600 fath. ; 
sericeum (Forbes), ibid. [= Ophioglypha gracilis, Sars, as pointed out by 
the Recorder], off Marion Island, 50-75 fath. ; hastatum, sp. n., id. 
1. c. p. 103, pi. V. figs. 133 & 134, Atlantic, Southern and Eastern Seas, 
1000-1375 fath. 
Ophiomastus, g. n., Lyman. “Disk arched, extremely high, covered 
with a few large thick plates, among which the primaries are conspicuous 
for superior size ; arms short, with large thick side arm-plates, the first 
under arm-plate similar to and nearly as large as those beyond ; mouth- 
papillse arranged in a narrow close-set line ; teeth rather slender ; no tooth- 
papillae ; small smooth arm-spines arranged along outer edge ®f side arm- 
plates; two narrow genital openings.” 0. tegulitius, sp. n., id. (11a), 
p. 104, pi. vi. figs. 167-169, Eastern Seas, 275-2600 fath. 0. secundus, 
sp. n., id. (11 B), p. 218, pi. ii. figs. 16-18, Gulf of Mexico, 339 fath. 
Ophioplinthus , g. n., Lyman (allied to Ophioglypha and Ophiomusium). 
“ Disk smooth, covered by a thin skin bearing irregular delicate scales and 
radial shields ; genital scales wide, divided in several pieces ; small' blunt, 
close-set mouth-papillse ; no tooth-papillae, short angular teeth ; very 
minute peg-like arm-spines on the outer edges of side arm-plates ; second 
pair of mouth-tentacles and first two pairs of arm-tentacles rising from 
round pores near the inner end of the under arm -plates ; those beyond 
are smaller, and stand close to the under arm-spine ; arms narrow, 
cylindrical, gradually tapering; two genital openings, running only a part 
of the way toward the margin ; mouth-frames (seen from above) long, 
and rising in a ridge ; arm-bones long and cylindrical, vuth only a faint 
upper furrow ; genital scales long, slender, and cylindrical.” 0. medusa, 
sp. u., id. (11 a), p. 105, pi. ii. figs. 30, 31, & 40, 1975 fath., and grisea, 
sp. n., p. 106, pi. ii. figs. 33 & 34, Southern Seas. 
