88 



HAWAIIAN AND OTHER PACIFIC ECHINI. 



Page 



Brisaster Gray 178 



Key to the Species of Brisaster . . 178 

 Brisaster fragilis (Diiben and 



Koren) 179 



Brisaster indicus Koehler . . . 179 

 Brisaster townsendi (A. Agassiz), 



Plate 155, figs. 4,6,8. . . 179 

 Brisaster latifrons (A. Agassiz) 180 

 Brisaster moseleyi (A. Agassiz), 



Plates 155, fig. 5; 156, fig. 4 . 184 

 f Brisaster kerguelenensis H. L. 



Clark, Plate 154, figs. 15-17 . 184 



Hypselaster, gen. nov 185 



Key to the Species of Hypselaster . 186 

 *Hypselaster maximus (A. Agas- 

 siz and Clark), Plate 154, fig. 



18 186 



Hypselaster limicolus (A. Agas- 

 siz) 187 



Hypselaster rotundus( A. Agassiz 



and Clark), Plates 146, figs. 9, 



10; 148, figs. 1, 2; 154, figs. 



11-14 187 



Hypselaster fragilis (A. Agassiz 



and Clark), Plate 148, figs. 



5-8 189 



Hypselaster kempi (Koehler) . 190 

 t Hypselaster brachypetalus H. 



L. Clark, Plates 148, figs. 3, 4; 



154, figs. 1-8 191 



Ova Gray 192 



Schizaster Agassiz 192 



Key to the Species of Schizaster . . 193 

 Schizaster orbignyanus A. 



Agassiz 193 



Schizaster lacunosus (Linne) . 193 

 Schizaster edwardsi Cotteau . . 195 

 Moiropsis A. Agassiz .... 195 



Moira A. Agassiz 195 



Key to the Species of Moira . . . 196 

 Moira atropos (Lamarck) . . 196 

 Moira clotho (Michelin), Plates 



146, fig. IBS; 156 figs. 6-7 . . 196 



Moira sty<, r i;i (A. Ai:;issiz) . . 197 



Spatangidae Gray 197 



Key to the Genera of Spatangidae . 198 

 Brissopsis Agassiz and IVsor . 199 



* Hawaiian sprcios. 



Page 



Key to the Species of Brissopsis . . 201 



Brissopsis lyrifera (Forbes) . . 201 



Brissopsis alta Mortensen . . 202 



Brissopsis columbaris A. Agassiz 202 



Brissopsis parallela Koehler . . 202 

 Brissopsis pacifica (A. Agassiz), 



Plate 155, fig. 1 203 



Brissopsis elongata Mortensen . 203 



Brissopsis atlantica Mortensen . 203 

 *Brissopsis luzonica (Gray), 



Plates 152, figs. 5-8; 155, figs. 



2,3 204 



Plagiobrissus Pomel .... 207 



Key to the Species of Plagiobrissus . 207 

 Plagiobrissus grandis (Gmelin), 



Plate 146, figs. 21, 22 . . . 207 



Plagiobrissus africanus (Verrill) 208 



Plagiobrissus costae (Gasco) . . 208 



Metalia Gray 209 



Key to the Species of Metalia . . . 209 

 *Metalia sternalis (Lamarck), 



Plate 146, fig. 30 209 



*Metalia spatagus (Linne) . . 210 

 f Metalia dicrana H. L. Clark, 



Plates 146, fig. 16; 160, figs. 



1-4 211 



Metalia townsendi (Bell) ... 213 



Rhynobrissus A. Agassiz . . . 213 



Key to the Species of Rhynobrissus . 214 

 Rhynobrissus pyramidalis A. 



Agassiz, Plate 146, figs. 28, 29 214 

 *Rhynobrissus placopetalus A. 



Agassiz and (lark, Plate 152, 



figs. / -4 215 



Rhynobrissus micrasteroides A. 



Agassiz, Plate 146. figs 216 

 Rhynobrissus hemiasteroides A. 



Agassiz 217 



Brissus Leske 217 



Key to the Species of Brissus . . . 218 



Brissus brissus (Leske) . . . 21S 

 *Brissus latecarinatus (Leske), 



Plate L46, fig. l'> 219 



Meoma Gray 



Key to the Species of Meoma . . . 



Meoma grandis Gray .... 220 



Meoma v e n t ri coaa (Lamarck) . 221 



f Now sp i 



