168 LIST OF MOLLUSCA COLLECTED AT GREEN POINT, WATSON's BAY, 



16. Marginella (Persicula) nympha, sp.nov., Braz. (PI. xiv. 



fig. 2). 



Shell shining, white, rather solid, having much the shape of M. 

 ovulum, spire immersed ; columella with four plications, the two 

 upper very fine, the others more conspicuous ; outer lip thickened, 

 opaque, straight, minutely denticulated on the inner edge. 



Long If, broad 1 mm. Two specimen's. 



This minute species is allied to 31. Isseli, Nevill, from Suez 

 (J. B.). 



Family O L i v i D iE. 



17. Olivella nympha, Ad. and Ang. One specimen. 



Family Columbellid^. 



18. Columbella Smithi, Angas. Thirty-two specimens. 



19. Columbella lineolata. Pease ; G. dermestoides, Angas, non 



Kiener. Two specimens. 



20. Columbella versicolor. Sow. ; C. bidentata, Menke. Seven 



specimens. 



21. Columbella semiconvexa, Lamarck. Seven specimens, three 



being young. 



22. Columbella Tayloriana, Reeve ; C. albomaculata, Angas. 



Two specimens. 



23. Columbella Angasi, Brazier ; C. interrupta, Angas, non 



Gaskoin. One specimen (juv.). 



24. Columbella speciosa, Angas. Three specimens. 



25. Columbella Tenisoni, Tryon ; C. minuta, Tenison- Woods, 



non Gould. Eleven specimens. 



Family PLEUROTOMIDiE. 



26. Pleurotoma (Clathurella) Edwini, sp.nov., Braz. (PI. xiv. 



% 3). 

 Shell small, fusiformly turreted, solid, reddish-brown and white 

 spotted • whorls 5, the apical one white, smooth and mammillated. 



