278 



HAWAIIAN AND OTHER PACIFIC ECHINI. 



Nucleolites 104 



Nucleolus 108 



nuda, Toxocidaris 363 



Nudechinus . . . .241, 242, 276, 382 



nudum, Diadema 112, 115 



nudus, Strongylocentrotus . 350, 352, 353, 



354, 363 

 nutriens, Fibularia .... 56, 57, 58 



obesa, Echinarachnius 67 



obesus, Brissus 219 



oblonga, Echinometra 367, 370, 372, 373, 375 



oblongus, Echinus 373 



obscurum, Sperosoma . 195, 198, 199, 203 

 obscurus, Gymnopatagus . . . 227, 232 

 occidentalis, Nucleolites . . . 104, 107 



ochrus, Clypeaster 23, 30 



ogasawaraensis, Plesianthus . . .21,32 



oldhami, Brissopsis 200, 204 



Oligopodia . . . 104, 105, 107, 109,110 



olivacea, Salmacopsis 324 



omalostoma, Echinus . . . .281, 350 



Opechinus 294, 310 



orbicularis, Echinodiscus .... 52 



Peronella 51, 52 



orbiculus, Echinus 78 



Rotula 78 



orbignyanus, Schizaster .... 193, 197 



Orechinus 294, 300 



ornata, Podocidaris 381 



Ova 162, 192 



ovata, Aceste 136, 137 



Echinolampas . . Ill, 112, 113, 1 14 



Maretia 246, 248, 249 



ovatum, Scutum 248 



ovatus, Echinanthus 111,114 



Palaeotropus 151,153 



Spatangus . . . 217,246,248 

 oviformis, Echinolampas . . . . Ill 



Echinus 114 



Pycnolampas . . . . 154, 155 



ovulum, Echinus 57 



Fibularia 57 



ovum, Amblypneustes . 325, 326, 327, 335 

 owstoni, Araeosoma . 149, 176, 178, 179, 



180, 191, 192 

 Asthenosoma 192 



pachistus, Amblypneustes . 827,331,332 



Pachycentrotus .... 341, 342, 349 

 pacifica, Brissopsis . . . 201, 203, 204 



Encope 74 



Mellita 76,77 



Pthyncholampas . . . 106, 107 



Salenia 58 



pacificus, Echinarachnius .... 69 

 Pygorhynchus .... 107 



Toxobrissus 203 



Palaeobrissus 138, 151 



Palaeolampas 105 



Palaeopneustes . . 99, 139, 143, 10 



Palaeostoma 133 



Palaeotropus . . . 138,139,140,151 



Paleotrema 138, 151 



pallida, Peronella 51 



pallidum, Chaetodiadema .... 124 



pallidus, Amblypneustes . . . 326, 329 



Clypeaster . . . .' 21, 23, 25 



Echinus 329 



Spatangus 234, 239 



panamense, Echinosoma . 160, 161, 168 

 Phormosoma .... 168 



papillata, Dorocidaris 7, S 



Parabatus 160 



Paracentrotus . . 338, 340, 341, 347 



paradoxa, Echinosigra 132 



Pourtalesia ISi 



parallela, Brissopsis . . . 200, 201, 203 



Parapneustes 161, 173 



Parasalenia . . 233, 234, 366, 367, 368 



Paraster 160, 161, 165, 170 



Parechinus 241, 242, 272 



parma, Echinarachnius . 15, 67, 68, 69, 70 



Scutella 66,67 



pattersoni, Salenia . 53, 54, 55, 56, 82 

 paucispinum, Diadema . .112, 113, 114 



