Quarterly Journal of Conchology. 255 



Buliminus obesa, Gibbous, MS. (Plate II, fig. 3). 



Shell ovato-oblong, thick and solid : colour ? : surface smooth 

 but with indications of irregular transverse striae : epidermis ? 

 -whorls 6 1-2 — 7, swollen, rounded : body 7vJiorl large, contracting 

 towards the front ; penultimate nearly equally large, broader, 

 rather unsymmetrical, the two preceding whorls are much 

 smaller : apex abruptly rounded : suture moderate, distinct, 

 shallow ; mouth squarely ovate, with a thickened everted peris- 

 tome joined by a callus : outer lip nearly straight : inner lip a 

 little oblique : umbilicus deejD and distinct, rather narrow. 



Length 0.825, breadth 0.45. 



Hab. Bawri Island, Zanzibar. 



Mr. Gibbons only obtained two specimens of this fine species 



dead and very aged. 



BIBLIOGRAPHY, 



THE "VALOROUS" EXPEDITION. 



On some new and remarkable North Atlantic 

 Brachiopoda. — New and peculiar Mollusca of the 

 Pecten, Mytilus, and Area Famiiies. — New and pecu- 

 liar Mollusca of the Kellia, Lucina, Cyprina and Cor- 

 buia Families. — New 'and peculiar Mollusca of the 

 Order Solenoconchia. — Nev/ and peculiar Mollusca of 

 the Patellidse and other Families of Gastropoda. — 

 New and peculiar Mollusca of the Eulimidas and 

 other Families of Gastropoda, as well as of the Ptero- 

 poda, by J. Gwyn Jeffreys, LL.D., F.R.S., F.L.S., 

 F.G.S., &c., &c. 



In this series of deeply interesting and valuable papers are em- 

 bodied the results of the deep sea dredgings, instituted under the 



