INDEX 



355 



Echinocidaris incisa, 244, 245 

 Echinodiadema coronata, 237 

 Echinodiscus, 317 

 Echinometra, 281, 293, 294 



insularis, 293 



mathaei, 281,292 



mathaei oblonga, 281 



oblonga, 226, 257, 259, 281, 292 



Van Brunti, 226,258, 259, 281, 



292,293 



variety rupicola, 293 

 Echinometridae, 281 

 Echinostrephus, 292 

 Echinus (Agarites) spatuliger, 246 

 Echinus albus, 265 



niger, 247 



oblongus, 281 



purpuratus, 279 



stellatus, 245 

 Echinus (Psammechinus) semituber- 



culatus, 261 

 Echinus (Toxopneustes) gibbosus, 265 

 eclipes, Coronaster, 213 

 ecuadorensis, Encope, 287, 291, 320 



321,324,333,334 

 ekmani, Psolidium, 64, 65, 70, 143, 145, 



148, 149, 194 

 elongatus, Clvpeaster, 226, 266, 268, 269, 



270,308,310,311 

 emarginata, Encope, xi, xii, 319 

 Encope, xi, 227, 319, 320, 322, 323, 329, 



330,331,332,333,334,335,336 



borealis, 322 



californica, 322, 329 



cocosi, 282, 284, 320, 321, 323, 



330 



ecuadorensis, 287, 291, 320, 321, 



324,333,334 



emarginata, xi, xii, 319 



fragilis, 288, 291, 320, 321, 324, 



334,335 



galapagensis, 226, 282, 285, 320, 



321 324 329 331 



grandis,'xi, 273, 275, 319, 320, 321, 



322 324 325 329 



insularis, 289, 291, 320, 321, 324, 



O ^ Z' 



irregularis, 282, 286, 320, 321, 324, 



332 



laevis, 274, 275, 282, 283, 320, 



321, 323, 327, 328 

 (Mellitella) Stokesii, 322 

 micropora, xii, 282, 283, 320, 321, 



322, 323,329,330 

 variety borealis, 329 

 variety californica, 329 



micropora galapagensis, 323, 331 

 perspectiva, 273, 275, 320, 321 

 322, 323, 326, 327, 328 



perspectiva jonesi, 323 



Stokesii, 322 



wetmorei, 274, 275, 320, 321, 323, 



326, 327, 328 

 eubullatum, Psolidium, 64, 65, 143, 144, 



190 

 Eucidaris Thouarsii, 226, 229, 238, 239 

 Eucyclus, 122, 123, 127 



duplicatus, 122, 127 

 Eupentacta pseudoquinquesemita, 90, 91 

 europacificus, Ciypeaster, 226, 258, 259, 



294, 295, 296 

 eurybrachiplax, Ophionereis, 32, 34 



Euthyonidium, 122, 123, 124, 127 



occidentalis, 124, 126 



ovulum, 64, 65, 68, 70, 122, 124, 125, 



126,129,130,131,182 



seguroensis, 124 



veleronis, 64, 67, 124, 126, 182 

 excentrica, Scutella, 310 

 excentricus, Dendraster, 266, 269, 310, 



311, 312 



variety elongatus, 310 



Echinarachnius, 310 

 exigua, Cucumaria, 80, 81, 91 

 Exocycloida, 294 

 fallax, Cucumaria, 78, 79, 80 

 fisheri, Cucumaria, 82 

 floridae, Tamaria, 210 

 fragilis, Allocentrotus, 256, 259, 276, 



277 



Encope, 288, 291, 320, 321, 324, 



334,335 



Strongylocentrotus, 276 

 franciscana, Toxocidaris, 278 

 franciscanus, Strongylocentrotus, 257, 



259,278,279,280,281 

 frondosa, Cucumaria, 78, 80 

 fusus, Thyone, 103, 105, 120 

 galapagensis, Encope, 226, 282, 285, 320, 



321, 324, 329, 331 

 gibber, Neothvone, 63, 64, 67, 70, 108 



109,110,111,112,113,174 



Stolus, 109,113 



Thyone, 109, 110,113 

 gibbosa, Neothyone, 63, 64, 67, 68, 70, 



92,109,110,111,113,114,118 



176, 178 

 gibbosus, Caenocentrotus, 226, 255, 259, 



265 



Echinus (Toxopneustes), 265 

 glasselli, Athyone, 63, 118, 119, 120, 122 



Thyone, 119 

 godeffroyi, Cucumaria, 63, 78, 83 

 Gonimaretia, 347 



laevis, 227, 306, 307, 347 



Goniocidaris Doederleini, 234 



