ii 4 DISCOVERY REPORTS 



Balcis cf. tumidula (Thiele) 



Eulima tumidula Thiele, 1912, p. 193, pi. n, fig. 31. 



Type locality. Gauss Station, Davis Sea. 

 St. 170. Off Cape Bowles, Clarence I., 6i° 25' 30" S, 53° 46' W, 23 Feb. 1927, 342 m. 



If I have correctly determined the St. 170 shells, the species attains a larger size than cited by Thiele. 

 Height 5-25 mm. ; diameter 2-0 mm. (holotype). 

 Height 8-o mm. ; diameter 3-2 mm. (St. 170). 



Balcis cf. solitaria (Smith) 



Eulima solitaria Smith, 1915, p. 64, pi. 1, fig. 3. 



Type locality. Off Cape Bird Peninsula, 250 fathoms, McMurdo Sound. 

 St. 190. Bismarck Strait, Palmer Archipelago, 64 56' S, 65 35' W, 24 Mar. 1927, 93-130 m. 



One example, 8-34 x 2-8 mm., of 8^ whorls, which appears to be the adult of Smith's species of 

 seven whorls and dimensions of 4X 1*5 mm. 



Family EPITONIIDAE 



Genus Cirsotrema Moerch, 1852 



Type : Scalaria varicosa Lamarck 



Cirsotrema magellanica (Philippi) 



Scalaria magellanica Philippi, 18456, p. 46. 



Scalaria (Opalia) magellanica Strebel, 19056, p. 656, pi. 23, fig. 44a-/. 



Scalaria magellanica Strebel, 1908, p. 63. 



Scala magellanica Melvill & Standen, 191 2, p. 347. 



Type locality. Strait of Magellan. 



St. 51. Off Eddystone Rock, East Falkland Is., from 7 miles N 50 E to 7-6 miles N 63° E of Eddystone Rock, 



4 May 1926, 105-115 m. 

 St. WS 228. Off north-east end of Falkland Is., 50 50' S, 56 58' W, 30 June 1928, 229 m. 



Range. Lively I., Falkland Is. (Strebel, 1905); Port William, 40 m., Falkland Is. (Strebel, 1908); 

 Punta Arenas (shore), Puerto Harris, 15 fathoms (Strebel, 1905); Burdwood Bank, 56 fathoms (Melvill 

 & Standen, 1912). 



Cirsotrema magellanica latecostata (Strebel) 



Scalaria magellanica var. latecostata Strebel, 19056, p. 658, pi. 23, figs. 43a-*/. 



Type locality. Strait of Magellan. 



St. 388. Between Cape Horn and Staten I., 56 19J' S, 67 oo.f W, 16 Apr. 1930, 121 m. 

 St. WS 222. Between Patagonia and Falkland Is., 48 23' S, 65 W, 8 June 1928, 100-106 m. 

 St. WS 766. Between Falkland Is. and Argentina, 45 13' S, 59° 56' 30" W, 18 Oct. 1931, 545 m. 

 St. WS 797. Between Patagonia and Falkland Is., 47 45' 18" S, 64 10' 30" W, to 47 47' 43" S, 64 07' 30" W, 

 19 Dec. 1931, 117 m. 



Cirsotrema fenestrata (Strebel) 



Scalaria fenestrata Strebel, 1908, p. 63, pi. 4, fig. 61 a-d. 



Type locality. Cumberland Bay, South Georgia, 253-310 m. 



St. 140. Stromness Harbour to Larsen Point, South Georgia. From 54 02' S, 36° 38' W to 54° n' 30" S, 

 36 29' W, 23 Dec. 1926, 122-136 m. (one half-grown example). 



