GASTEROPODA. 57 



Menestho laevigata, S. Wood. Supplement, Tab. IV, fig. 19. 



Spec. Char. Testa elonyata turrita, lavigata, apice obtusiusculo ; anfractibus (8 — 9) 

 planulatis, apertura ovata posterius angulata quinquepartem teste aquante ; columella 

 incurva, labro simplice, acuto. 



Length, \ an inch. 



Locality. Coralline Crag, Sutton. 



A few imperfect specimens, and one perfect, were found by myself in the Cor. 

 Crag of Sutton. The perfect one figured was destroyed while in the hands of the engraver 

 (1866). Some years after that Mr. Bell sent to me a very perfect individual of what 

 possibly may be the same species, but with the name of M. Britannica. Mr. Bell's 

 shell was found at Sutton. The shell figured had about eight volutions, the upper 

 three or four more conical than the lower, which were nearly cylindrical ; the apex was 

 obtuse and glossy, and the rest of the shell free from striae or sculpture of any kind ; the 

 volutions slightly convex, the upper part being a little contracted ; it had a distinct and 

 rather depressed suture ; the aperture ovate, acuminated at the junction of the whorl, 

 and it was an elegantly formed shell. It much resembles Pyramis striatula, Couthouy 

 ('Boston Journ. Nat. Hist.,' vol. ii, p. 101, PI. I, fig. 6, described also by Gould, 

 ' Inv. Mass.,' p. 269, fig. 174, but that shell is said to be covered "with revolving 

 lines," and is probably the same as Menestho albula ; my shell is smooth. 



Pyramidella l^viuscula, S. JFood. Crag Moll., vol. i, p. 77, Tab. IX, fig. 2. 



Localities. Cor. Crag, Sutton, and near Orford. Red Crag, Walton Naze. 



Pyramidella Imviuscida of the Crag has, according to Mr. Jeffreys, been obtained 

 recent in the Mediterranean. It is also a fossil in the Belgian Crag, and in the Vienna 

 beds, figured by Homes, vol. i, p. 492, Tab. XLIV, fig. 20, and there referred to P. plicosa, 

 Broun. M. Nyst figured it as P. terebellata. It is probably terebellata, Broc, but not 

 of Lamarck. Whether this be the unisulcata, Dujardin, 1 do not know. There are two 

 or three species in the Bordeaux beds of nearly the same size ; Pyramidella mitrula, 

 ' Bast. Bord. Foss.,' PI. I, fig. 5, is probably another species. I must refer to M. Deshayes, 

 * Par. Foss.,' vol. ii, p. 583, who has given full particulars of these fossil Pyramidella. 

 1 have obtained a specimen from the Cor. Crag, near Orford, of this species, which is 

 more elongated than any of my Sutton specimens, and I obtained the shell from the Red 

 Crag of Walton very soon after the publication of the ' Crag Mollusca.' This shell has 

 been found abundantly in the Coralline Crag at Sutton. 

 8 



