XXVI 



Notes on the Ornithology of Cornwall, from May, 1869. — By Mr. 

 E. Hearle Eodd. 



Notes concerning the Leech (Hirudo) ; Velella limbosa, Lam. ; 

 Medusa, Linn. ; Holibut (Hippoglossus vidgaris), Flem. ; Physalia j)ela- 

 gica, Lam. ; Scyllcea pelagica, Linn. ; Spaion of the Doris tuberculata, 

 Cuv. ; Larus minutus, Pallas ; and of various species of Entozoa. — 

 By Mr. W. P. Cocks, Falmouth. 



Piecent Observations on Subterranean Temperature in the Clifford 

 Amalgamated Mines. — By Sir F. M. Williams, Bart., M.P. 



. Stannary Rolls, temp. Edward I, and observations thereon. — From 

 Mr. J. Maclean, F.S.A. 



An Inscribed Stone in the Churchyard of Stowford, Devon. — By 

 Mr. W. Copeland Borlase, Castle Horneck. 



Notes on the Geology and Archceology of Cornwall and Devonshire. 

 —By Mr. W. Pengelly, F.R.S., F.G.S. 



On Boiler Explosions. — By Captain Williams, St. Austell. 



Concerning Mr. Maclean's Paper, Mr. Smirke remarked that 

 it was interesting as containing one of the earliest records of the 

 number of ingots or slabs of tin brought to be coined, or stamped, 

 in each of the Coinage Halls in the County of Cornwall, in the 

 year 34 Ed. I (A.D. 1305) ; with the total weights of the tin, and 

 certain sums of money attached thereto ; but, whether this last 

 column represents the pecuniary value of the tin, or the duty on 

 it payable to the Earls, or to the Crown during a vacancy, is not 

 very clear until the relative quantities, as compared with the 

 moneys in the last column, shall have been carefully considered. 

 Before the stamp was applied (which has always been that of the 

 Earl Edmund), the practice Avas to assay the metal ; and the stamp 

 Wcis then considered by the dealer as a certificate of its purity and 

 a license to export it to foreign parts. The last Assay Master, 

 at the time of the abolition of this duty in 1838, was Mr. Hen- 

 wood, our existing President of this Institution. An original 

 " cuneus," or stamp, is in the Stannary Court. — Another feature 

 of interest in the document before us is the list of names in the 

 first column. Whether these be merchants, or landowners, or the 

 names of the companies producing the blocks for weighing or 

 coinage, is open to inquiry. The general aspect of them is of an 

 aristocratic character ; and some of the names are familiar to a 

 student of Cornish biography. 



The President thought that this communication from Mr. 



