ZOOLOGICAL LITERATURE. 
64i 
Opkiarachna spinosa, Ljungman, is Ophiopeza fallaXy Peters. Liitken, 1. c. 
p. 31. 
Ojihiomusiumy g. n., Lyman, 1. c. p.,322. Teeth ; no tooth-papillae; mouth- 
papillae soldered in a continuous row, so that their former outlines are scarcely 
to be seen ; disk covered by plates and radial shields, all of which are inti- 
mately soldered, forming a surface like porcelain; upper and under arm- 
plates minute ; side arm-plates meeting above and below, swelled, intimately 
soldered with the neighbouring parts; no tentacle-pores beyond the basal 
arm-joints; small arm-spines on outer edge of arm-plates. Two genital slits 
on each interbrachial space. O. ehurneum, sp. n., Lyman, 1. c. p. 322. 
Ophiomitray g. n., Lyman, 1. c. p. 325. Teeth; numerous, small, nearly 
equal mouth-papillae ; no tooth-papillae ; disk flat, circular, and erect, covered 
with scales and radial shields, and beset with thorny spines or stumps ; arm- 
spines rough ; side arm-plates large and nearly or quite meeting above and 
below. O. valula and O. sertatay spp. nn., Lyman, 1. c. pp. 325, 32G. 
OphiocondruSy g. n., Lyman, /. c. p. 327. Teeth and mouth -papillae ; no 
tooth-papillae ; disk granulated, contracted so that the interbrachial spaces 
are reenteringly curved, and are further much reduced by the encroachment 
of the stout arms ; side mouth-shields wide and thick, and meeting within ; 
side arm-plates meeting below, and there closely soldered, so as to form a 
continuous belt : two genital slits in each interbrachial space. O. convolutuSy 
sp. n., Ijyman, 1. c. p. 328. 
Ophiothamnusy g. n., Lyman, 1. c. p. 341. Teeth ; no tooth-papillae ; mouth- 
papillae, of which the outer is much the broadest; side mouth-shields long 
and stout, extending outside the mouth-shields, and making with them a 
conspicuous raised pentagon ; side arm-plates large, meeting above and below, 
and bearing slender rough spines on their sides ; disk puffed and overlying 
the bases of the arms, covered with scales and radial shields, which are beset 
with spines. O. vicariuSy sp. n., Ljnnan, 1. c. p. 342. 
Ophioniyces, g. n., Lyman, 1. c. p. 343. Teeth ; no tooth-papillae ; nu- 
merous wide, flat mouth-papillae, which are turned downwards and outwards 
and arranged in two or inoro imbricated rows, covering the whole mouth- 
angle; side mouth-shields large, and meeting above; disk finely scaled, 
without visible radial shields ; arm-spines within the disk shorter, stouter, 
and of a different character from those of the joints further out. O. 
mirahilis and O. frutectosuSy spp. nn., Lyman, 1. c. pp. 343, 346. 
Ophioglypha acervatUy sp. n., Lyman, I, c. p. 31G ; O.falciferay sp, n., Lyman, 
I c, p. 319. 
Ophiocten depressiwiy sp. n., Lyman, /. c. p. 320. 
Ophiacantha meridionaliSy sp. n., Lyman, 1. c. p. 324 ? = O. Ltk. 
Ophiactis humiliSy sp. n., Lyman, 1. c. p. 329 ; 0. planay sp. n., Lyman, 1. c. 
p. 330; O. loricatay sp. n., Lyman, 1. c. p. 331. 
Amphiura semiermisy sp. n., Lyman, 1. c. p. 332 ; A. grandisquamay sp. n., 
Lyman, I, c. p. 334 ; A. pidchellay sp. n., Lyman, 1. c. p. 337. 
Amphiura. Lyman, 1. c. p. 338, gives an analysis of all the known species. 
Ophioc7uda olivaceay sp. n., Lyman, 1. c. p. 340. 
Pectinura (Ophiarachna) maculatay sp. n., Verrill, 1. c. p. 388, New Zealand. 
Ophionereis crassispinciy Ljung.,= 0. pon'ectay Verrill. Possibly O. squa- 
matUy Ljung., may be the adult form of the same species. Verrill, 1. c. p. 390. 
Hemipholis affiaisy Jqung., = 7/. gracilisy Verrill, on the supposition that 
