SOMERVILLE : THE CONCHOLOGY OF THE CLYDE. t39 



Perhaps no one is better acquainted with the deeper waters of the 

 estuary than Sir John Murray, whose explorations conducted in the 

 " Medusa," sixteen years ago and later were of an exhaustive char- 

 acter. Under Sir John Murray's direction Professor Henderson, 

 assisted by Mr. F. G. Pearcey, and, on the physical side, Dr. Hugh 

 R. Mill, did excellent work. 



In the time that remains to me this evening, I should like to make 

 brief references to some of the gentlemen with whom I have been 

 privileged to come into direct contact, who have worked in the Clyde 

 estuary among the mollusca and other groups, in the hope that such 

 details may be of interest to the Society. 



The first name I shall mention is that of the Rev. Dr. David 

 Landsborough, A.L.S., of Saltcoats, Ayrshire, specially known for 

 his acquaintance with marine Algae, who published in 1849 the first 

 edition of what long remained the standard popular work on British 

 seaweeds, a work which I hardly think has been superseded by any 

 other. For many seasons Landsborough visited Lamlash Bay, Arran, 

 with Dr. R. K. Greville of Edinburgh, and Major Martin. In his 

 "Excursions to Arran," published first in 1847, hs furnished two lists 

 of mollusca found by himself in Lamlash Bay, one being of shells ob- 

 tained when dredging in 1844 with Mr. James Smith, of Jordanhill, 

 the other of the results of his dredging with Mr. Joshua Alder and 

 Major Martin in 1846. I had the privilege in 1850, when a young 

 boy, of being present on one occasion with Dr. Landsborough when 

 dredging in Lamlash Bay, and I can remember being handed a speci- 

 men of that interesting starfish, Luidia fragilissiina, which, according 

 to its custom, was breaking up into fragments. I possess to this day 

 a specimen of Psammobia vesperthia and other shells given me as an 

 incentive to study by Dr. Landsborough. 



The next I have to name is the Rev. Dr. C. Popham Miles, F.L.S., 

 a Church of England clergyman in Glasgow, who in 1856 prepared 

 jointly with Dr. Greville already referred to, a " Report of Dredging 

 in the Firth of Clyde," which appeared in the British Association 

 Report of that year. I can remember in Dr. Miles' house in Glasgow 

 a rectangular oblong aquarium, three feet in length, of plate glass, in 

 which was a large stone grown over with young Fucus, and a specimen 

 of the crab Portunus puber, which had lived contentedly in solitude 

 for many months. Dr. Miles left Glasgow to become principal of a 

 college in Malta. During the later years of his life, at least, he was 

 a Fellow of the Linnean Society, and lived in London. 



I have now to name one happily spared to marine biological 

 science, and lately a President of this Society. I refer to the Rev, 

 Canon A. M. Norman, F.R.S., who so far back as in the Zoologist 

 for 1857-60, issued papers entitled "The Mollusca of the Firth of 



