352 



ALLAN HANCOCK PACIFIC EXPEDITIONS 



VOL. 8 



Taxonomic Index with page numbers of illustration in bold face. 



Cidaroida, 229 

 Cidaridae, 229 



Eucidaris Thouarsii (Valencien- 

 nes), 229, 239 



Hesperocidaris panamensis (A. 

 Agassiz),230, 239 



perplexa (H. L. Clark), 231, 240 

 asteriscus H. L. Clark, 233, 240, 

 241 

 Centrocidaris Doederleini (A. 

 Agassiz), 234,242 

 Centrechinoida, 235 

 Centrechinoidae, 235 

 Centrechinus mexicanus (A. 

 Agassiz), 235, 242 

 Astropvga pulvinata (Lamarck), 

 236, 251 



Centrostephanus coronatus (Ver- 

 rill), 237,251 

 Arbaciidae, 244 



Arbacia incisa (Blainville; ? *' 

 Gmelin), 244, 252 



spatuligera (Valenciennes), 246, 

 252 

 Tetrapygus niger (Molina), 247, 

 252 

 Echinidae, 247 



Lytechinus anamesus H. L. Clark, 

 247, 253 



pictus (Verrill),249, 253 

 semituberculatus (Valenciennes), 

 253, 261 

 Toxopneustes roseus (A. Agassiz), 

 254, 262 



Tripneustes depressus A. Agassiz, 

 254, 263 

 Strongj'Iocentrotidae, 265 

 Loxechinus albus (Molina), 255, 

 265 



Caenocentrotus gibbosus (L. 

 Agassiz and Desor), 255, 265 

 Allocentrotus fragilis, 256, 276 

 StronKvIocentrotus franciscanus (A. 

 Agassiz), 257, 278 



purpuratus (Stimpson), 256, 279 

 Echinometridae, 281 



Echinometra oblonga (Blainville) 

 257, 281 



VanBrunti A. Agassiz, 258, 

 293 

 Exocycloida, 294 

 Ciypeastridae, 294 



Clvpcaster europacificus H. L. 

 Clark, 258, 294 



rotundus (A. Agassiz), 267, 



296 



ochrus H. L. Clark, 267, 297 



speciosus Verrili, 268, 308 



elongatus II. L. Clark, 268, 



269, 270, 308 

 Scutellidae, 310 



Dend raster excentricus Esch- 

 scholtz, 269, 310 



laevis H. L. Clark, 270, 312 



mexicanus H. L. Clark, 271, 



313 



rugosus H. L. Clark, 272, 318 

 Encope, 319 



grandis L. Agassiz, 273, 320, 



321, 325 



perspectiva L. Agassiz, 273, 



320, 321, 326 



wetmorei A. H. Clark, 274, 



320, 321, 326 



laevis H. L. Clark, 274, 283, 



320, 321, 327 



micropora L. Agassiz, 283, 320, 



321 329 



cocosi H. L. Clark, 284, 320, 



321, 330 



galapagensis A. H. Clark, 285, 



320, 321, 331 



irregularis H. L. Clark, 286, 



320, 321, 332 



ecuadorensis H. L. Clark, 287, 

 320 321 333 



fragilis H. L. Clark, 288, 320, 



321, 335 



insularis H. L. Clark, 289, 320, 

 321, 336 



Mellita longifissa Michelin, 290, 



337 

 Cassidulidae, 338 



Cassidulus pacificus (A. 



Agassiz), 290, 338 

 Hemiasteridae, 339 



Agassizia scrobiculata Valencien- 

 nes, 299, 339 



Brisaster townsendi (A. 



Agassiz), 300, 340 



Moira clotho (Michelin), 300, 



341 

 Spatangidae, 341 



Brissopsis pacifica (A. Agassiz), 



301, 341 



Plagiobrissus pacificus H. L. 



Clark, 302, 342 



Idiobryssus coelus H. L. Clark, 



303, 343 



Brissus latecarinatus (Leske), 



303, 304, 343 



Meoma grandis Gray, 304, 344 



Spatangus californicus H. L. 



Clark, 305, 345, 346 



Gonimaretia laevis H. L. Clark, 



306, 347 



Lovenia cordiformis A. Agassiz, 



315, 347 



