CONTENTS. 



Notice vii 



Cidai-idiE Miiller 



Goniocidaridas Haeckel 



Cidaris Klein ........ 



Cidaris tribuloides Agass., Plate 2, 



figs. 1-4 



Cidaris Thouarsii Val., Plate 1, figs. i,;? 

 *C'idaiis metularia Bl., Plate 1, figs. 



S-7 



Dorocidaris A. Ag 



Dorocidaris abj'ssicola A. Ag., Plate 



12% figs. 1-3 



Dorocidaris atliuis A. Ag., Plate 12'' 



figs. IS 



Dorocidaris Bartletti A. Ag., Plate 



12% figs. 6-lS 



Dorocidaris Blakei A. Ag., Plate 12'', 



figs. 4-6 



Dorocidaris panamensis A. Ag., Plate 



2, figs. 5-S ^. . . 



Dorocidaris bracteata A. Ag., Plate 



3, figs. lo-2S 



Dorocidaris Reiiii Dod., Plate 3, figs. 



1-U 



*Dorocidaris calacantha A. Ag. and 

 Clark, I'lates 4, figs. 1-L2 ; 13 ; 11 ; 



34 ; 35 



Chondrocidaris A. Ag. , . . . . 

 *Chondrocidaris gigantea A. Ag., Plate 



4, figs. 13-19 



Phyllacantlins Brandt 



Phj'lLacanthus anniilifera A. Ag., Plate 



12", figs. 14, 15 



PhylLacantluis baculosa A. Ag., Plate 



12". figs. 16, 17 



*Pliyllacautlius Thoraasii A. Ag. and 



Clark, Plates 5, figs. 1-17 ; 26, figs. 



5-S: 27-30 



Stephauocidaris A. Ag 



Page 

 1 

 3 



3 



3 



4 



8 

 9 

 9 

 9 

 10 



11 

 14 



14 

 15 



15 

 15 



15 



17 



Page 



Stephauocidaris bispinosa A. Ag., Plate 



12'', figs. 10, 11 18 



*Stephanocidaris hawaiiensis A. Ag.and 



Clark, Plates 4, figs. 20-23 ; 12", figs. 



12, 13; 24; 25; 26, figs. 1-4 . . 18 



Stereocidaris Pomel 22 



*Stereocidaris grandis Dod., Plates 5, 



figs. 18-20 ,• 33 ; 36 22 



*Stereocidaris leucacantba A. Ag. and 



Clark, Plates 6 ; 15 ; 32 . . , . 23 



Goniocidaris Des 26 



Gouiocidaris biserialis Dod., Plate 10, 



figs. 22-25 26 



Goniocidaris clypeata Dod., Plate 10, 



figs. 27-31 26 



Goniocidaris mikado Dod., Plate , 10 



fig. 26 28 



Centrocidaris A. Ag 29 



Centrocidaris Doederleini A. Ag., Plates 



10, figs. 1-9 ; 12^ figs. 7-9 .. . 29 

 Anomocidaris A. Ag. and Clark , . 30 

 Anoniocidaris tenuispiua A. Ag. and 



Clark, Plates 11, figs. 6-12; 12, figs. 



lS-30; 31, figs. 5-S 30 



Porocidaris Desor 31 



Porocidaris Cobosi A, Ag. , Plate 7 . 31 

 *Poroeidaris variabilis A. Ag. and 



Clark, Plates 8; 16-22; 23, figs, i-.^ 32 

 Aporocidaris A. Ag. and Clark ... 36 

 Aporocidaris Milleri A. Ag. and Clark 



Plate 9 37 



Aporocidaris fragilis A. Ag. and Clark 



1'l.ates 10, figs. 10-21; 23, figs. 5-S 37 



Acaiitlioeidaris Mort 38 



*Ac:inthocidaris liastigera A. Ag. and 



Clark, Plates 11, figs. 1-5 : 12, figs. 



1-17; 12'; furs. IS, 19 : S:-i2 . . 39 

 Plates and Explanation of Plates . . 43 



* Hawaiian species. 



