INDEX 



357 



microrhynchus, Inachoides, 3 

 miniata, Cucumaria, 78 

 minutus, Amphicontus, 2, 4 

 mionactis, Phataria, 206, 208, 220 

 Moera clotho, 341 

 Moira clotho, 298, 300, 341 



clothro, 341 

 molle, Thyonidium, 130 

 mollis, Pattaliis, 64, 66, 67, 70, 120, 



122, 125, 126, 127, 128, 129, 130, 131 

 molpadioides, Ocnus, 93 

 multispinus, Ophiomyces, 13, 15,46 

 murrhina, Sigsbeia, 11 

 neofusus, Thvone, 63, 65, 69, 103, 



104, 105,170 

 Neopentamera, 76, 89, 90 



anexigua, 63, 69, 90, 91, 160 

 Neothvone, 77, 108, 109 



gibber, 63, 64, 67, 70, 108, 109, 



110, 111, 112, 113,174 



gibbosa, 63, 64, 67, 68, 70, 92, 109, 



110, 111, 113,114, 118,176, 178 



panamensis, 63, 68. 70, 109, 111, 



112, 113, 176 

 Neothyonidium, 135 

 New Eastern Pacific sea stars, 197 

 New Ophiurans of the Allan Hancock 



Pacific Expedition, 9 

 niger. Echinus, 247 



Tetrapygus, 247, 250, 252 

 nina, Leptopentacta, 63, 70, 93, 94, 97, 



98, 164 

 nova, Leptopentacta, 63, 66, 93, 94, 95, 



95,96,98,162 

 nuda, Ophionereis, 32 

 nutriens, Psolidium, 138 



Thyonepsolus, 63, 64, 137, 138, 139 



140, 186 

 oblonga, Echinometra, 226, 257, 259, 



281,292 

 oblongus. Echinus, 281 

 obstipa, Tamaria, 208, 210, 220, 



222 

 occidentalis, Euthyonidiura, 124, 126, 

 ochrus, Clypeaster, 226, 266, 267, 297, 



309 

 Ocnus, 92, 93 



imbricatus, 93 



javanicus, 93 



molpadioides, 93 



panamensis, 89 



pygmaeus, 93 



typicus, 93 

 Ophiacantha, 11 



bairdi, 13 



phragma, 11, 13,44 

 Ophiacanthidae, 11 

 Ophiactis, 33 



savignyi, 19 



ophiactoides, Ophiophragmus, 18, 19,46 

 Ophiochitonidae, 29 

 Ophiocnida, 25 



californica, 25, 27, 50 



hispida, 27 

 Ophiocoraa alexanderi, 19 

 Ophiodesmus, 33 



amphilogus, 33, 35, 58 

 Ophiolepididae, 35 

 Ophiolepis, 41 



crassa, 42 



plateia, 41,42, 56 



variegata, 42 

 Ophiomisidum, 35 



leurum, 35, 36, 54 

 Ophiomyces, 13 



multispinus, 13, 15,46 

 Ophionereis, 29, 30, 33, 35 



albomaculata, 32 



annulata, 32, 34 



dictyota, 29, 30, 32, 52 



eurybrachiplax, 32, 34 



nuda, 32 



perplexa, 30, 32, 54 



reticulata, 30 

 Ophiophragmus, 15, 19 



chilensis, 19,22 



disacanthus, 15, 16, 58 



lonchophorus, 16, 18,48 



marginatus, 19 



ophiactoides, 18, 19,46 



papillatus, 19,20,48 



paucispinus, 19 



stellatus, 21, 22, 52 



tabogensis, 19 

 Ophiothrix tabogae, 25 



violacea, 25 

 ornata, Lissothuria, 139 

 ovulum, Euthonidium, 64, 65, 68, 70, 



122, 124, 125, 126, 129, 130, 131, 182 



Stolus, 124, 125 



Thvone, 119, 122, 124, 125, 126 

 Pachythone, 77, 114, 115 



lugubris, 63, 66, 115, 116, 117, 117, 



118,178,180 



pseudolugubris, 63, 64, 66, 69, 114, 



115, 116,117,117,118,178, 180 



rubra, 63, 114, 115,116, 118,180 

 pacifica, Brissopsis, 298, 301, 341 

 pacificus, Cassidulus, 226, 290, 291, 338 



Plagiobrissus, 298, 302, 342 



Pygorhynchus, 338 



Toxobrissus, 341 

 Palaetropus, 345 

 panamensis, Dorocidaris, 230 



Hesperocidaris, 226, 230, 231, 232, 



238,239 



Leptopentacta, 98 



Lytechinus, 260 



