REFERRED TO IN VOLUME II. 
201 
PAGE 
LiNCKiA, iV^arfi^o . . ... . . . 39,43 
X/iriDiA, Forbes (Ray of) . . . . . . • . 6, 50 
„ (description of genus) . , . . .41, 110,184 
„ fragillissima, Forhes (Rays o£ . . . . . .7 
„ Murchisoni, Williamson . . . . . . .Ill 
Senegalensis, Midler Sf Troschel (Ray of) . . . . .50 
Metrodira, Gray . . . . . . . .43 
MiTHRODiA, Gray . . . . . • . .44 
Narcissta, Gray . . . . . . . .43 
Nardoa, Gray . . . . ... . . .43 
Nauricia, Gray . . . . . . . . .40 
Nectria, Gray . . . . . . . . .44 
Nepanthia, Gray . . . . . . . .44 
Ophiacantha, Midler §f Troschel ....... 133 
Ophiactis, Liitkin ........ 134 
Ophiakachna, Midler 1^- Troschel . . . . . 133, 135, 136 
Ophidiaster, (Madreporifoi'm plate of) . . . . .17 
(Osseous System of) . , . . . . 13,';39, 43, 46 
Opiiiocnemis, Midler ^ Troschel ....... 133 
Ophiocoma, Agassi- ....... 133 — 136 
Ophiocten, Lutkin . . . . . . . .134 
Ophioderma, MilUer ^ Troschel ..... 133, 134, 140, 186 
carinata, Wright . . . . . , . 148 
„ Egertoni, Broderip . . . . . . .143 
„ Gaveyi, Wright . . . . . . .147 
„ Griesbachii, Wright ; see Ophiurella Griesbachii, Wright. 
„ Milleri, Phillips . . . . . . .140 
„ tenuibranchiata, Forhes ...... 146 
0-eino-L-&viB, Midler Sf Troschel .... 133,134,135,136,150,160,186 
„ Damesii, Wright . . . . . . .161 
„ Leckenbyii, Wright . . . . . . .160 
,, Murravii, Forbes . . . . . . .151 
„ Ramsayi, Wright . . . . . . . 150 
•OvmoM Asmix, Miiller ^ 2'roschel . . . .• . . 133, 135 
Ophiomyxa, Midler ^ Troschel . . . . . . .133 
Ophionyx, Midler i^- Troschel . . . . . . .133 
Ophiopeza, Peters . . . . . . . . 1 34 
Ophiopiiolts, Peters . . . . . , . .134 
Ophioplus, Sai's ......... 134 
Ophiopsila, Forbes . . . . . . . .133 
Ophiothrix, Mailer ^- Troschel ...... 133, 135, 136 
Ophiura, Xawiarc/f (Osseous System of) . . . . , 11, 133 
,, Egertoni, Broderip ; see Ophioderma Egertoni, Broderip. ' 
„ Milleri, Pliillips ; see Opbioderma Milleri, Phillips. 
„ Murravii, Forbes ; see Opbiolepis Murravii, Forbes. 
Ophiurella, ^^/as«> ...... 133,134,154,187 
„ Griesbachii, Wright . . , . . . .154 
