220 BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



closer than in the adult. The spinelets are so delicate and relatively 

 so much more prominent than in the adult that this small specimen 

 might aptly be described as shaggy. 



Type.— Cat. No. 30533, U.S.N3I. 



Type-locality. — Station 5630, vicinity of Bat j an Island (south of 

 Patiente Strait), Molucca Islands (lat. 0° 56' 30" S.; long. 128° 

 05' E.), 509 fathoms, coral sand, mud; 1 specimen. 



Distribution. — Molucca Islands and Gulf of Tomini, Celebes. 



Specimens examined. — Two; besides the type an immature speci- 

 men from station 5605, Gulf of Tomini, Celebes, 647 fathoms. 



Remarks. — It is somewhat startling to find such a near relative of 

 the North Atlantic R. tizardi in the Moluccas. So far the genus has 

 not been found in the North Pacific, although it most likely occurs 

 there. 



As noted in the synopsis of the genera of this family, the Mimaster 

 cognatus of Sladen is not congeneric with tizardi., but is separated 

 by important anatomical features which justify the erection of a 

 separate genus. 



Family GONIASTERIDAEi Forbes, 1841 (emended). 

 Subfamily Pseudarchasterinae Sladen, 1889, extended. 



Genus PSEUDARCHASTER Sladen. 



Psendarchaster Sladen, 1889, p. 109. Type, Ps. discns Sladen. 



PSEUDARCHASTER JORDANI Fisher. 



Pseudar chaster jordani Fishek, 1906, p. 1038, pi. 10, figs. 7, la; pi. 19, 



figs. 2, 2a. 

 Astrogonium jordani Koehler, 1909, p. 49. 



Specimens examined. — Five, from the following stations: 



Station 5582, vicinity of Darvel Bay, Borneo, 890 fathoms, gray 

 mud, fine sand, bottom temperature 38.3° F. ; 2 specimens. 



Station 5586, Sibuko Bay, Borneo, 476 fathoms, gray mud, bottom 

 temperature 41.1° F. 



Station 5587, Sibuko Bay, Borneo, 415 fathoms, green mud, sand, 

 coral, bottom temperature 42.3° F. 



Station 5618, Molucca Passage, 417 fathoms, gray mud. 



Type-locality. — Station 3474, south coast of Oahu Island, Ha- 

 Avaiian Islands, 375 fathoms, fine white sand. 



Distribution. — Hawaii to the Molucca Islands. Borneo, and the 

 Indian Ocean, off southern India, 375 to 1.085 fathoms. 



Remarks. — The specimens listed above differ from typical jordani 

 in a few minor details. All but the e'xample from station 5618 are 



' For a discussion of this family and a key to the genera, see Fisher, 1911d, pp. 158- 



174 ; Veil-ill. lOl-lrt, pp. 285-289, gives valnahle critical notes. 



