92 Echin. 
XIV. ECHINODERMA. 
(171). 0. glacicdis ; Koehler (173), p. 102 : Whiteaves (320) p. 61. 
0. serratus n. sp., Porto Rico, 91 fms.; Clark (66) p. 150, pi. xiv. 
Ophiosphaera , defined ; Meissner in Hamann (146) p. 946. 
Ophiostigma , defined, list of spp.; op. cit. p. 927. 0. isacantha : Clark 
(64) p. 344, & (66) p. 249. 
Ophioteresis , defined ; Meissner in Hamann (146) p. 947. 
Ophiothamnus , defined, list of spp.; op. cit. p. 934. 
Opiothela , defined, list of spp.; op. cit. p. 943. 
Ophiotholia , defined ; op. cit. p. 935. 
Opkiothrix, defined, incl. Ophionyx M. & T., list of spp.; op. cit. p. 941. 
0. angulata ; Clark (66) p. 244. 0. fragilis ; Fauvel (109): Todd 
(302) p. 365 : popular account and fig.; Newbigin. (221) p. 129: 
Pluteus ; Mortensen (214) pp. 14, 18 & fig.: var. pentaphyllum : 
Koehler (173) p. 102. 0. oerstedii and 0. suensonii ; Clark f66 N ' 
p. 244. 
Ophiothyreus , defined; Meissner in Hamann (146) p. 919. 0. qoesii ; 
Clark (66) p. 243. 
Ophiotoma , defined ; Meissner in H.amann (146) p. 937. 
Ophiotrema , defined ; op. cit. p. 938. 
Ophiotrichidce , defined ; op. cit. p. 941. 
Ophiotrichoides, defined ; op. cit. p. 942. 
Ophiotriton , syn. of Ophionereis ; op. cit. p. 933. 
Ophiotrochus , defined ; op. cit. p. 919. 
Ophiotypci, defined ; op. cit. p. 925. 
Ophiozona , defined, list of spp.; op. cit. p. 921. 0. impressa , 0. nivea 
compta , and 0. tessellata ; Clark (66) p. 243. 
Ophiura , defined, incl. Ophiolepis M. & T., and Ophioglypha Lym., list of 
spp.; Meissner in Hamann (146) p. 924 : abactinal surface, fig.; 
Newbigin (221) p. 130. tO. sp.; Rowe (265) p. 72. 0. ajfinis; 
Todd (302) p. 365. 0. albida ; Newbigin (221) p. 133 : Todd (302) 
p. 365 : fSMiTH et al. (287) p. 533. 0. appressa ; Clark (64) p. 340, 
& (66) p. 242. 0. brevicauda and 0. brevispina ; loc. cit. 0. ciliciris ; 
Todd (302) p. 365. 0. cinerea ; Clark (66) p. 242. 0. lacertosa ; 
Newbigin (221) p. 133 : colour ; M’Intosh (197) p. 226. 0. rubi- 
cunda ; Clark (66) p. 242. +0. sarsi ; Bj^rltkke (29) p. 79: 
Br0gger (46) p. 157. 
Ophiurida , errore pro Ophiocnida (q. v.); Fauvel (109). 
Ophiuropsis , defined ; Meissner in Hamann (146) p. 952. 
Paramphiura , defined ; op. cit. p. 930. 
Pectinura Forbes, defined, incl. Ophiarachna pars, list of spp.; op. cit. 
p. 916. 
Pluteus paradoxus — Ophiopluteus Ophioglyphae albidae et 0. texturatae\ 
Mortensen (214) p. 15. 
Polyodontida , n. sect, of Nectophiurae, to contain Ophiocomidae , Opliio- 
trichidae ; Meissner in Hamann (146) p. 939. 
Sigsbeia, defined ; op. cit. p. 948. 
Sthenocephalus , defined ; op. cit. p. 955. 
Streptophiurae , defined ; op. cit. p. 946. 
Trichaster , defined ; op. cit. p. 953. 
Trichasterinae , defined ; op. cit. p. 953. 
Zygophiurae , defined ; op. cit. p. 915. 
