210 



HAWAIIAN AND OTHER PACIFIC ECHINI. 



Page 



282 



283 

 285 

 286 



Toxopneustes Agassiz 



Toxopneustes chloracanthus, sp. 

 nov., Plate 93, figs. 6,7 . . 



Tripneustes Agassiz 



*Tnpneustes gratilla L#oven . . 



Gyrnncchinus Mrtsn 286 



Gyinnechinus megaloplax, sp. 



nov., Plate 102, figs. 2,3 . . 287 

 Gymnechinus epistichus, sp. 

 nov., Plates 93, figs. 22, 23; 



102, figs. 4-5 289 



Temnopleuridse Desor 290 



General Considerations 290 



The Spines, Pedicellarire, Sphaeridia, 



and Spicules 291 



The Genera and Species of Recent 



Temnopleuridae 291 



Trigonocidaris A. Ag 295 



*Trigonocidaris albida A. Ag. . 295 



Hypsiechinus Mrtsn 296 



Genocidaris A. Ag 296 



Genocidaris apoda A. Ag. and 

 CI., Plates 93, figs. 16, 17; 



100, figs. 1-3 297 



Orechinus Dod 300 



*Orechinus monolini Dod., Plate 



93, figs. 27-31 



Lainprechinus Dod 



Prionechinus A. Ag 



*Prionechinus Chuni Dod. 



Prionechinus ruber A. Ag. and 



CI., Plate 100, figs. .'^-6 . . 



*Prionechinus sculptus A. Ag. 



and CI., Plates 93, figs. 2^-26; 



101, figs. 4-^ 



Prionechinus Agassizii Wood- 

 Mas, and Ale 



*Pri()ncchinus depre.ssus A. Ag. 

 and (1, Plate 101, figs. 1-3 . 



Opechiiius Desor 



Opechinus variabilis Mrtsn. . . 

 Teinnopleurus .Agassiz .... 

 Teninopleurus Hardwickii .\. .\g. 

 Teinnopleurus toreuniaticus 



.\gassiz 312 



Tenuiopleurus Reevesii Mrtsn. 313 

 Sahnacis Agassiz, Plates 93, figs. 



33-36; 111, figs. 4-0 . . . 314 



Temnotrema A. Ag 317 



• IIuwaiiaQ 



300 

 302 

 302 

 304 



304 



306 



308 



309 

 310 

 311 

 311 

 312 



Ag., 



Page 

 319 



321 



322 

 322 

 324 



*Temnotreniahawaiiensis, comb, 

 nov., Plate 99, figs. 1-3 . . 

 Temnotrema .sculpta A. 

 PIatell2, figs. /,;g . . 

 Mespilia Agass. and Des. 

 Microcyphus Agass. and Des. 

 Salmacopsis Dod. 



Salmacopsis olivacea Dod., 

 Plates 103, figs. 6, 7; 112, 



figs. 3, 4 324 



Amblypneustes Agassiz .... 325 

 Amblypneustes pachistus, sp. 

 nov.. Plates 104, fig. 6; 112, 

 figs. 10, 11; 121,fig.s. i-3 . . 327 

 Amblypneustes grandis, sp. nov., 



Plate 121, figs. 4-6 .... 329 

 Amblypneustes triseriatus, sp. 

 nov.. Plates 104, fig. 5; 112, 



fig. 5 331 



Holopneustes Agass. and Des. . . 332 

 Holopneustes pycnotylus, sp. 

 nov., Plates 104, fig. 4; 112, 



figs. 6-0 334 



Goniopneustes Duncan .... 336 

 Goniopneustes pentagonus Dun- 

 can, Plate 93, figs. /5-^/. . . 336 

 Strongylocentrotida? Gregory .... 338 



General Considerations 338 



The Spines, Pedicellaria^ Sph,Tridia, 



and Spicules 338 



The Genera and Species of Strongy- 



locentrotida? 339 



Echinostrephus A. Ag., Plate 105, 



figs. 9-11 342 



*Echinostrephus aciculatus A. 

 Ag., Plates 95, figs. 23, 24; 



105, i\g.9 342 



Pscudoboletia Trosch 344 



*Pseudoboletia Indiana A. Ag., 

 Plate 02, figs. 12-lS ... 345 



Paracentrotus Mrtsn 347 



Loxechinus Desor 347 



Cienocentrotus, gen. nov.. Plate 



95, figs. 16, 17 348 



Pachycentrotus, gen. nov.. Plates 



94. figs. l-€; 98, figs. 5S . . 349 

 Heliocidaris .\gass. and Des., Plate 



94, figs. 7, S 350 



Heliocidaris stenopora, nom. 

 epeciea. 



