1885.] FROM THE SOLOMON ISLANDS. 597 



This species, originally described from New Guinea and sub- 

 sequently met with at several other localities, has not, I believe, been 

 previously recorded from the Solomon Islands. The only three 

 specimens obtained by Mr. Guppy are entirely white,' and two ot 

 them have an indication of an angle or keel at the periphery, the 

 other, from Santa Anna, being regularly rounded at the middle. 



28. Omphalotropis nebulosa, Pease. (Plate XXXVI. fig. 8.) 



Hab. Ugi Island, " found living on trees which clothe a low tract 

 of land skirting the beach" {Guppy); San Christoval and Guadal- 

 cauar Islands {Macgillivray, in Brit. Mus.) ; Solomon Islands 

 (Pease). 



The shells which I associate with this species were considered 

 by Pfeiffer the O. bulimoides of Hombron and Jacquinot. That 

 species, however, was collected at Hogoleu, one of the Caroline 

 Islands, situated about a thousand miles to the north-west of San 

 Christoval, and does not appear to have a carinated umbilicus judging 

 from the figure in the 'Voyage au Pole Sud ' and from Rousseau's 

 description in the text. It also has much more convex whorls and 

 a longer aperture. 



The colouring of this species varies considerably. The majority 

 of specimens which I have examined are dirty whitish or yellowish, 

 varied with more or less interrupted spiral brown bands, of which 

 there are four on the body-whorl, two above and two below the 

 middle. Other examples are of a nearly uniform brown colour 

 with a pale line at the periphery, and, again, others are longitudinally 

 streaked. The operculum is thin, horny, concave externally, and 

 consists of three to three and a half rapidly enlarging whorls, the 

 nucleus being well towards the centre. 0. fragilis. Pease, is very 

 like this species, but has a slight keel or angle at the periphery, 

 stronger spiral striae, and a less effuse base to the aperture. 



29. PupiNA solomonensis. (Plate XXXVI. tigs. 9, 9 a.) 

 Shell small and very Uke P. difficilis. Semper, and P. keraudreni, 



Vignard. It is of a reddish tint, especially the body -whorl ; consists 

 of b^ whorls, which are the least convex and exhibit a pellucid line, 

 frequently brown, immediately beneath the suture. Last whorl very 

 obliquely desceuding behind, narrowed below, and flattened some- 

 what above the aperture. Columella thickened with callus, white, 

 parted off from the whorl above by an oblique circumscribing red 

 line, truncated rather low down. Outer lip slightly thickened and 

 effuse, and a little paler than the rest of the whorl, produced some- 

 what at its junction with the body-whorl, which in consequence has 

 the appearance of rising suddenly after an oblique descent. Length 7 

 millims., diam. 3|, aperture 2 long and wide. 



Hab. Shortland Island, Bougainville Straits, in the decayed trunks 

 of fallen trees {Guppy); Treasury Island (presented to the British 

 Museum by J. Brazier, Esq.). 



This is a larger species than P. difficilis, Semper, or P. keraudreni, 

 Vignard, which appear to be very much alike. The slit in the 



Proc. Zool. Soc— 1885, No. XXXIX. 39 



