STARFISHES OF THE PHILIPPINE SEAS. 7 



2. Deep-water species: 



Ctenodiscus orientalis, m. c. Zoroaster ophiactis, c. 



Pectinaster hylacanthus, ni. CnemidasUr wy villa, c. (to Ara- 



Cheirafiter niasicus, c. m. fura Sea). 



Aielorlas anacanthus, c. Coronaster halicepus, m. 



Retaster insignis (lists g, j). Stegnohrisinga placoderma, c. 

 Hymenasterides zenognathiis, ra. 



(j) Philippine species extending into the Banda and Arafura 

 Seas: 



Astropecten granulatus. Ophidiaster fuscus (to northwest 



Rosaster symbolicus. Australia). 



Iconaster longimanus. Nepanthia maculata. 



Nardoa tuberculata. Retaster insignis (lists ^5 i). 

 Fromia japonica (to Japan). Cnemidaster wyvillii. 

 Ophidiaster tuberifer (to Bay of 

 Bengal). 



{k) Species common to Philippine and Hawaiian Islands: 

 Cheiraster inops (to Indian Ocean, list c). 

 Pseudarchaster jordani (Borneo, and Indian Ocean, list c). 

 Mediaster omatus (to Arabian Sea, list c) . 

 Distolaster'ias euplecta. 

 Brisingella fragilis. 



(1) Bathymetric distribution of species of lists a to k occurring 

 below the 100 fathom line: 



1. From between 99 and 200 fathoms : 



Astropecten granula- Rosaster symbolicus. 



tus. Uenricia densispina. 



Persephonaster an- Coronaster halicepus. 



chistus. Distolasterias euplecta. 



Luidia aspera. 



2. From between 200 and 300 fathoms : 



Cheiraster inops. Hymenasterides senognathus. 



Cheiraster niasicus. Coronaster halicepus. 

 Henricia densispina. Brisingella fragilis. 



3. From between 300 to 500 fathoms : 



Ctenodiscus orientalis. Pseudarchaster jordani. 

 Pectinaster hylacan- Henricia densispina. 

 thus. Brisingella fragilis. 



Cheiraster inops. 



4. From between 500 and 700 fathoms : 



Cheiraster inops. Zoroaster ophiactis. 



Atelorias anacanthus. Stegnohrisinga placoderma. 



