TABLE OF CONTENTS. 



INTRODUCTION 



SYSTEMATIC ACCOUNT 



PORCELLANASTERI DAE 



Eremicaster pacificus (Ludwio) 

 tenebrarius fisher 

 viciNtis (Ludwig). Plate 2, fig. 7, 



Ctenodiscus crispatus (Retzius) .... 



Thoracasteh MAGNUS LuDwiG. Plate 1, fig. 1, 2 



Styracaster monacanthtjs Ludwig. Plate 2, fig. 1, 2 

 PAUcispiNUs Ludwig. Plate 2, fig. 3, 4 . 



Albatrossia nuda (Ludwig). Plate 2, fig. 5, 6 . 



8 



ASTROPECTINIDAE 



Dyt.aster demonstrans Ludwig 



BENTHOPECTINIDAE 



Pectinaster AGAssrzii (Ludwig) .... 



GONIASTERIDAE 



Pseudabchaster pectinifer Ludwig .... 

 LiTONOT.\.sTER TUMiDus H. L. Clark. Plate 3, fig. 3-6 



OREASTERIDAE 



Nidorellia armata Gray 



LINCKIIDAE 



LiNCKIA GUILDINGII GrAY 



Pharia pyramidata Gray 



ECHINASTERID.AE 



HeNRICIA GRACILIS (LUDWIg) .... 



PTERASTERIDAE 



Hymenaster (List op specific names) 



(Key to species) .... 

 cremnodes H. L. Clark. Plate 4, fig. 

 THi.\s H. L. Clark. Plate 3, fig. 1,2 



ZOROASTERIDAE 



(Key to genera) 

 Zoroaster (List of specific NAnres) . 

 Mamm aster Perrier .... 

 Cnemidaster Sladen .... 



(Key to species) . 

 Prognaster Perrier .... 

 Pholidaster Sladen .... 



(Key to species) . 

 Myxoderma Fisher .... 



(Key to species) 

 Bythiolophus Fisher .... 

 Zoroaster Wy\'ille Thomson 

 (Key to species) 



PEBARMATUS H. L. Clark. Plate 4, fig. 2 

 MAGNIPICTJ8 Ludwig . 



Paub 



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