CONTENTS. 



Salenidse Agassiz 



Pedicellariae and Other Structural 



Characters 



The Genera and Species 



Acrosalenia Agass 



Plesiosalenia Valette 



Perisalenia Valette 



Pseudosalenia Cott 



Goniophorus Agass. • 



Peltastes Agass 



Heterosalenia Cott 



Salenia Gray 



Salenia Patterson! A. Ag., 

 Plates 43, figs. 3, 4 ; 46, figs. 



1-8 



Salenia cincta A. Ag. and CI., 

 Plates 45, figs. S2-25 ; 62, 

 figs. 8-13 : 67, figs, i-5 . . 



Salenidia Pomel 



Salenocidaris A. Ag 



Salenocidaris varispina A. Ag., 



Plate 45, figs. 10-15 .... 



Salenocidaris profundi A. Ag. 



and CI., Plate 45, figs. 16-31 



*Salenocidaris miliaris A. Ag. 



and CL, Plates 43, figs. 5, 6 ; 



45, figs. 1-8 



*Salenocidaris crassispina A. 

 Ag. and CI., Plates 45, fig. 9 ; 



62, figs. 1-7 



Arbaciadfe Gray 



Pedicellariae and Other Structural 



Characters 



The Genera and Species 



Arbacia Gray 



Arbacia Dufresnii Gray, Plate 

 47, figs. 1-11 . ...... 



Arbacia spatuligera A. Ag., 

 Plate 48, figs. i5-iP . . . . 



Page 

 49 



49 

 52 

 52 

 52 

 52 

 52 

 53 

 53 

 53 

 53 



55 



55 

 57 

 57 



59 



60 



60 



61 



62 



62 

 66 

 67 



69 



69 



Page 



Arbacia Gray (continued). 



Arbacia lixula Lov^n, Plate 48, 



figs. 10-14 70 



Arbacia stellata Gray, Plate 48, 



figs. 20-21 71 



Arbacia punctulata Gray, Plates 

 47, figs. 17-19; 48, figs. 1-9 . 71 

 Tetrapygus Agass. et Des. ... 72 

 Tetrapygus niger Agass., Plate 



47, fi'gs. 12-16 73 



Podocidaris A. Ag 73 



Podocidaris sculpta A. Ag., 



Plate 49, &gs. 1-8 74 



Dialithocidaris A. Ag 75 



Dialithocidaris gemmifera A. 

 Ag., Plate 46, figs. 9-16 . . 75 



Pygmaeocidaris Dod 76 



Habrocidaris A. Ag. and CI. . . 76 

 •Habrocidaris argentea A. Ag. 

 and CI., Plates 49, figs. 9-14; 



54, figs. 1-3 



Habrocidaris scutata A. Ag. and 

 CI., Plates 49, figs. 15-20; 54, 



&gs. 4-9 



Coelopleurus Agass 



Coelopleurus Maillardi A. Ag., 

 Plates 49, fig. 34; 53, figs. <?, 9 

 Coelopleurus maculatus A. Ag. 

 and CL, Plates 49, figs. 21-28; 

 53, figs. 1-7 ; 57, figs. 4-6 . 

 Coelopleurus floridanus A. Ag., 

 Plates 44, figs. 1, 2; 49, figs. 



31-33; 53, fig. ii 



Coelopleurus longicollis A. Ag. 

 and CI., Plates 49, figs. 29, SO; 



53, fig. 10 



Aspidodiadematidse Duncan .... 

 Pedicellariae and Other Structural 

 Characters " 



78 



80 

 82 



84 



84 



88 



89 

 89 



89 



* Hawaiian species. 



