412 Prof. E. Forbes on some Additions to the British Fauna. 



nalibus numerosis (40 — 43) fasciculatis, striis transversis approxi- 

 matis cancellatis ; vertice subcentrali. 



2. Eulima 3IacAndrei. 



Eidima testa elongata, conica, recta, Irevi, polita, lactea; anfrac- 

 tibus 10 — 12, angustis, planis, ultimo subcarinato ; apertura an- 

 gulata, subquadrata ; columella recta. 



Length Qrh. 



Breadth of last whorl 0/^. 



Length of aperture O^'-f . 



This beautiful little shell differs from all its allies in the nar- 

 rowness and number of its whorls. In shape it is elongated, 

 straight and turrited; the whorls, which are ten or eleven in 

 number, being very narrow in proportion to their length, flat, 

 smooth, polished, and of a subpellucid white ; the aperture is half 

 the length of the body-whorl, broad and somewhat square ; the 

 pillar-lip is quite straight, and forms a marked angle to the mouth. 

 The last whorl is subcarinated. Its nearest ally is the Eulima 

 Scilla of Scacchi, a species found fossil in the pliocene tertiaries 

 of Sicily ; but the li\-ing shell has much narrower whorls, judging 

 from the figm-e of the fossil given in the second volume of Phi- 

 lippics Enumeratio, t. 24. f. 6. It was dredged in 12 fathoms 

 water in Loch Fine. 



3. Pleurotoma teres, Forbes in Reeve Conch. Icon, pl.xix. fig. 161, 



and Report of the Cork Meeting of the British Association, 

 p. 190. 

 When di-edging in the channel called the IMinch, midway be- 

 tween Skye and the mainland, in 40 fathoms water, jNIr. MacAn- 

 di-ew procui-ed a single specimen of a Pleurotoma which differs 

 only in size (being larger) from a new species which I discovered 

 on the coasts of Asia Minor, and which has been figured by Mr. 

 Reeve. It is at once distinguished from all other British Pleu- 

 rotomcje in the sculpture, the ribbing being spiral. It is a slender 

 turrited shell of eight or nine terete, spirally ribbed whorls ; the 

 ribs are broad, rounded and smooth, the central ones having in- 

 termediate smaller ones ; a broad crenated fmTOw runs round the 

 summit of each whorl, bounding the suture. The ribs are about 

 twelve on the last whorl, four or five on the others. The notch 

 is sutural, broad and deep. The canal is long and slightly cui'ved. 

 The apertm-e is as long as the upper whorl. The apex of the 

 spire is acute. The colour is yellowish white. 



Dimensions : — Length 0\ inch. 



Breadth Q^.^. 



Length of last whorl 1/^, 



Aperture O^^. 



