PANOP.EA. 37 



shaped process in the hinge, both parts of the ligament 

 being in one piece, and placed outside the shell. 



In a little work entitled ' Arran/ by the Eev. D. Lands- 

 borough, where the pleasures of dredging excursions are 

 warmly dwelt on in many repeated instances, that gentle- 

 man says : " A cruise is rather an anomalous event in the 

 life of a sober country minister; and a dredging excursion 

 is what seldom falls to the lot of even zealous naturalists. 

 Few have at their command the vessel, the sailors, and tl^e 

 dredging apparatus ; and most of us are thankful if we can 

 find time for an occasional ramble for a few hours in a wild 

 glen, or on the mountain-side, or on the teeming shore of 

 the bountiful sea. Great, then, was my delight at being in- 

 vited to spend a few days in dredging along with Mr. Smith, 

 of Jordan Hill, in his nice little yacht the Eaven. . . . "We 

 afterwards rowed to the shore in a boat, and landed near 

 Balnacoolie, where Mr. Smith and Mr. Sowerby, from Lon- 

 don, some years ago had discovered a rich newer pliocene de- 

 posit. We had not been long ashore till we discovered two or 

 three specimens of Panopcea Bivonce [Norvegica), a rare sub- 

 fossil shell which we were in search of, as it had been found 

 for the first time in Scotland by Mr. Smith and Mr. Sower- 

 by .'' It has however since been taken living at Scarborough, 



