CONTENTS. VU 



IIoYLE, W. E., M.A., F.R.S.E.— Exhibitor John Dalton's "EngHsh 



Grammar " (1801) ... ... ... ... ... ... xxi 



Exhibit of an old form of dial xxiv 



Exhibit of a silhouette portrait of Dr. Thomas Percival ... xxiv 



HuTTON, R.S.,M.Sc.— Exhibit of a reproduction of Moissan's electric 



furnace ... ... ... ... ... ... ... ... xx 



Hyde, H. — Exhibit of a portion of sunflower in fruit... ... ... xv 



Exhibit of leaves mounted for art teaching ... ... ... xxx 



Exhibit oi Sao^iUa>-m /anci/oiia a.nd Gastonia palmata ... ... xxxi 



Jackson, W., A. R.C.S.— Discussion on the influence of grinding 



upon the solubility of the lead in lead fritts xxviii 



Johnson, W. II., B.Sc— On the method of navigation employed by 



the Norsemen ... .. ... ... ... ... ... Jx 



Jones, Francis, F.R.S.E., F.C.S.— Demonstration of the methods 

 of Marsh, Reinsch, and Gutzeit, for the detection of small 

 quantities of arsenic ... ... ... ... ... ... x 



Lamb, Horace, M.A., LL.D., F.R.S.— Numerical illustrations of the 



diffraction of sound ... ... ... ... ... ... xxiv 



Lees, Charles H., D.Sc. — On a formula for the circumference of an 



ellipse whose semi-axes are known ... ... ... .., iv 



On a compact formula for the circumference of an ellipse ... xi 



Melvill, J. Cosmo, M.A., F.L.S.— Exhibit of a rare Tasmanian 



alga, Claudea elegans, Lam. ... ... ... ... ... xxxi 



Morris, E. F., M. A.— Exhibition of, and notes on, some sketches of 



recent excavations in the Roman forum xxii 



Mullen, John.— Presentation of a second series of rock sections to 



the Natural History Section xv 



Reynolds, Osborne, M.A., LL.D., F.R.S.— On a curious solar 



phenomenon ... ... ... ... .._ jj; 



Rogers, Thomas.— Exhibit of Australian shells xv 



Exhibit of a collection of Hymenophyllums and Trichomanes 



from Jamaica ... ... ... ... ... . . xxw 



Exhibit of some curious pupa-cases, belonging to the Lepidop- 



terous group Psychaidte, from Natal 



Exhibit of examples of the shaddock 



Exhibit of fossil ferns and mosses found in the debris of Roman 



Manchester 



xxx 

 xxx 



