204 Soiithem Cross. 



LITTORINA (PELLILITORINA) PELLITA. 



Pellilitorina pellita, Martens and Ffefl'er, Jahrb. Hamburg. Wiss. Austalt., III., 

 1886, p. 79, PL 1., figs. 6a-6f. 



Habitat. — Cape Adare, 7 fathoms. 



A very interesting species originally described from New Georgia. 

 The single example in the present collection contains the soft 

 parts. The animal is deep black, with the sole of the foot pale and 

 the operculigerous lobe white. The hairs of the periostracum are 

 arranged in spiral series, in shallow grooves, three in the penultimate 

 and seven in the last whorl. 



LITTORINA (PELLILITORINA) SETOSA. 



Ijittorina setosa, Smith, Phil. Trans. Eoy. Soc, Vol. CLXVlll., p. 172, PI. IX., 

 fig. 6. 



Pellilitorina setosa, Pfeffer, Jahrb. Hamburg. Wiss. Anstalt., III., 188G, p. 77, 

 PI. L, figs. 7a, b. 



Littorina (Pellilitorina) setosa, Tryon, Man. Conch., A^ol. IX., p. 255, 

 PI. XLYI., figs. 37, 38. 



Halitat. — Cape Adare, 24 fathoms. 



Kerguelen Island (Smith and ' Challenger ' Expedition). Also 

 New Georgia (Pfeffer and Martens). Only one young specimen 

 obtained. 



PALUDESTRINA ANTARCTICA. 



(PI. XXIV., fig. 16.) 



Testa elongata, fusco-purpurea, imperfoi'ata, lineis incrementi tenuibus striata ; 

 spira producta, turrita, ad apicem obtusa ; anfractus 4-5, perconvexi; apertura 

 rotunde ovata, longit. totius ^ hand aequaus ; labrum tenue, margine columellari 

 pallido, anguste reflexo. 



Longit. 3f mm., diam. 2^ mm. 



Hahitat. — Cape Adare, 8 fathoms. 



Quite distinct from P. caliginosa (Gould), from Terra del Fuego 

 and Kerguelen Island, being smaller and quite different in form. The 

 spire is more elongate, the whorls more convex, and the aperture 

 rounder. The operculum is very thin, pale yellowish, striated with 

 lines of growth, and consists of about two whorls. 



