CONTENTS. 



211 



Page 

 nov., Plates 95, figs. 18-22; 

 104, figs. /-5; 110, figs. ^. 5 . 351 

 Strongyloccntrotus Br., Plate 94, 



figs. 0-33 352 



Strongylocenfrotus fragilis Jack- 

 son, Plates 94, figs. 28, 29; 



113, figs. 5-^ 354 



Strongylocentrotus pulchollus A. 

 Ag. and CI., Plates 94, figs. 

 24-27; 98, figs. 1,2; 111, figs. 



9, 10 356 



Strongylocentrotus drobachien- 



sis A. Ag 358 



Strongylocentrotus echinoides A. 

 kg. and CI., Plates 94, figs. 

 13-16; 113, fig. / .... 360 

 Strongylocentrotus polyacan- 

 thus A. Ag. and CI., Plates 94, 

 figs.50-SJ; 113, fig. ^ ... 362 

 Strongylocentrotus nudus A. 

 Ag., Plate 94, figs. 17-23 . . 363 



Echinometridaj Gray 365 



General Considerations 365 



The Spines, Pedicellariae, Sphteridia, 



and Spicules 366 



The Genera and Species of Echino- 



metridae 367 



Parasalenia A. Ag 368 



Parasalenia gratiosa A. Ag. . . 369 



* Hawaiian 



Pacje 



Parasalenia Polilii PfefF., Platf 



95, figs. /-.-; 300 



Echinonietra 370 



Echinometra Matha;i HI. . . 372 



*Echinometra picta \. .\g. and 

 CI., Plates 95, figs, fj-12; 114, 

 figs. .5, e 373 



*Echinometra oblonga HI., Plate 

 114, figs. /,^ .373 



Echinometra insularis, sp. nov.. 

 Plates 95, figs. 13-15; 114, 



figs. 5, 4 374 



Echinometra Van Brunti A. Ag. 375 



Podophora Agassiz 370 



*Podophora atrata Agassiz . . 376 

 Podophora pedifera Agass. and 



Des 377 



Colobocentrotus Br 377 



Heterocentrotus Br 377 



*Heterocentrotus mammillatus 



Br. Plates 115-117 .... 378 

 Heterocentrotus trigonarius Br., 



Plates 118-120 379 



Addenda 'iSl 



*Podocidaris ornata, sp. nov., 



Plate 102, fig. / 381 



Yoshiwara's Echini .... 282 



E.\planation of Plates 385 



species. 



