M oil u sea. 209 



Testa globosa, tenuif^, subpellucida, albida, peiiostraco tenuissinio uitido induta ; 

 spira depressa; anfractus tres convexi, sutura j^rofunda sejimcti, ultimus 

 raaximus, incremeuti lineis tenuibus arcuatis sculptus, imdique spiraliter 

 confertim pimctato-striatus ; apertura late inverse auriformis, maxima, longit. 

 totius Y^ aequans ; labrum tenuisBimum, margine columellari leviter reflexo 

 appresso. 



Longit. 20 mm., diam, IS mm. Apertura 18 longa, 14 lata. 



Habitat. — Cape Adare, 20-24 fathoms. 



This very interesting Tectibranch is well distinguished by its 

 very peculiar type of radula. The absence of epipodia and gizard 

 plates also separates it from those genera which it somewhat 

 resembles in shell characters. The general form of the shell is most 

 like tliat of Hi/daUna. The globose outline, the visible convolute 

 spire, the form of the aperture and the character of the columella are 

 very similar. 1 have much pleasure in associating with this 

 interesting new genus the name of tlie promoter of the expedition, 

 Sir George Newnes, Bart. 



DORIS KERGUELENENSIS. 



Arehidoris Kerguelenensis, Bergb, Nudibrauch., 'ChaUcnger'' Exped., p. 85, 

 PL I., figs. 1-12. 



Habitat. — Cape Adare, 20-28 fathoms. 



Very like the well-known northern species B. tuhcrcidata. Also 

 found at Kerguelen Island. The largest specimen is considerably 

 larger than that described by Bergh, being 67 mm. long, 29 mm. 

 broad, and 21 min. in height. The rhinophore-openings are 15 mm. 

 apart. 



LIMACINA ANTARCTICA. 



Limaeina antarctica, Woodward, Man. Moll., p. 207, PL XIY., fig. 41 ; Fischer's 

 Man. Conch., I'l. XIY., fig. 41; I'elseneer, Pteropoda, ' Challeii'/er'' Exped., 

 p. 22, PL I., figs. 3, 4. 



Habitat.— Surface, 66°, 20', S. Lat., 164°, 37', E. Long. 



The shell is so excessively thin thai it appears to get more or less 

 broken when captured. In the only fairly preserved example in the 

 present collection the spire is even less raised than it is represented 

 in any of the above-cj^uoted figures. 



