148 DISCOVERY REPORTS 



rather characteristic oicharcoti and sladeni they are not of typical aiirorae and ontarcticiis. 

 But the tube-feet of this specimen are crowded in the manner of aurorae, in sharp con- 

 trast to the condition in sladeni, which the specimen superficially resembles. Finally, 

 the furrow spinelets are terete and not spatulate. 



One might naturally regard this specimen as representing a race of aurorae at the 

 northern limit of its distribution. Koehler (1923, p. 73), however, states that his example 

 oi aurorae (R 40 mm., r 19 mm.) from Shag Rocks is absolutely typical and conforms to 

 a specimen of equal size taken at the type locality. He notes no difference between 

 two small specimens, one from Graham Land and one from Cumberland Bay, South 

 Georgia. 



At this same station, MS 71, were taken one small aduh (R 25 mm.) and 5 young of a 

 Cycethra with slender rays and R ranging from 6-5 mm. to 12 mm. In the absence of 

 adult Cycethra from South Georgia, I believe these young would be mistaken for young 

 Perknaster. The resemblance is close. 



Type locality. Davis Sea, 65° 42' S, 92° 10' E, 60 fathoms. 



Distribution. Antarctic, probably circumpolar. Recorded by Koehler from the 

 region between 92° and 141° E (64° 32-66° 32' S), 25-151 fathoms; Graham Land, 

 150 m. ; South Georgia 252-310 m.; Shag Rocks, 160 m. Extreme bathymetric range, 

 18-310 m. 



Family ASTERINIDAE Gray 



Genus Patiriella Verrill 



Patiriella fimbriata (Perrier) 



Asterina fimbriata Perrier, 1875, p. 307.— 1891, p. iii, pi. 12, figs. 5, 56.— Koehler, 1923, p. 55, 



pi. 9, figs. 2, 5-8. Literature. 

 Patiriella fimbriata Verrill, Amer. J. Sci. xxxv, 1913, p. 484.— Fisher, 1931, p. 5, pi. 5, figs, i, 2. 



St. WS 81. 8 miles north-west of North Island, West Falkland Island, 81-82 m., sand, i specimen. 

 St. WS 84. 7i miles south-west of Sea Lion Island, East Falkland Island, 75-74 m., coarse sand, 

 shells, stones, i specimen. 



St. WS 85. Falkland Islands, 52° 09' S, 58° 14' W, 79 m., sand and shell, 11 specimens. 



St. WS 221. 48° 23' S, 65° 10' W, 76-91 m., I specimen. 



St. WS 750. 52° 12' S, 67° 19' W, 95 m., 2 specimens. 



St. WS 755. 51° 39' S, 57° 39' W, 77 m., 4 specimens. Ringdove Inlet, i specimen. 



The specimens vary in size between R 6 mm. (St. WS 84) and 16 mm. (St. WS 750) ; 

 two from St. WS 85 have R 15 mm. 



Although this species is rather characteristic of the Falkland Plateau and the Straits of 

 Magellan, it occurs as far north as Calbuco, Chile, and is reported by Koehler from 

 Graham Land (64° S). 



Genus Anseropoda Nardo 

 Atiseropoda Nardo, Oken's his, 1837, p. 716. Type Anseropoda membranacea = A. placenta (Pennant). 



