TO CORRESPONDENTS. 



Communications have been received from Professor Henslow, J. E. Gray, 

 Esq., W. Thompson, Esq., and Charles C. Babington, Esq. 



Although we have given an Additional Sheet in the present Number, we have 

 still to regret our want of room to insert many Notices and Miscellaneous Arti- 

 cles, which we are obliged to defer till next month. 



Papers connected with Natural History in the Philosophical Magazine of this 

 Month: 



On the Formation of Calc Spar and Arragonite. By Gustave Rose. — Obser- 

 vations on Dr. Buckland's Theory of the Action of the Siphunclein the Pearly 

 Nautilus. By Thomas Wright, M.R.C.S.— On the Theory of Volcanos. By 

 E. W. Braylev, Jun., F.G.S. 



BOOKS RECEIVED. 



A Flora of the Neighbourhood of Reigate, Surrey, containing the flowering Plants 

 and Ferns. By G. Luxford, Esq., A.L.S. 



The Bee-Keeper's Manual. By H. Taylor, Esq. 



$y Our anonymous Correspondent " A Lover of Nature" should recollect that 

 communications sent to us should be paid : the present system of Postage is an 

 enormous burthen upon Science and Literature. 



ERRATA in No. III. 



Page 182, line 9 from bottom, for king, read ring 



— 184, line 19 from top, for hunting, read haunting. 



— 186, line 2 of note, instead of 'for, read from. 



— 186, line 10 of note, and at p. 188 and 192, for Rutly, read Rutty. 



— 191, line 14, after Esq., read of Dublin. 



— 195, line 15, for hairs, read haws. 



— 238, line 24, for thorny read horny. 



SIR JOHN F. W. HERSCHEL. The proposed Dinner in honour of 

 Sir John F. W. Herschel will take place on Friday, June 15, at the Free- 

 mason's Tavern, at 6 o'Clock. 



H. R. H. THE DUKE OF SUSSEX, K.G., P.R.S., in the Chair. 



STEWARDS. 



His Grace the Duke of Northumberland, K.G., F.R.S. 



The Marquess of Lansdowne, K.G., F.RS. 



The Marquess of Northampton, V.P.R.S,, F.G.S. 



The Earl Fitzwilliam, F.R.S., F.S A. 



The Earl of Burlington, V.P.R.S., Chancellor of the Univ. Lond. 



The Bishop of Norwich, P.L.S., F.G.S. 



Airy, G. B., F.RS., Astron. Royal. 

 Babbage, C, F.R.S., Luc. Prof. Camb. 

 Baily, F., Treas. R.S., P.R.A.S. 

 Beaufort, Capt., R.N.,F.R.S.,F.R.A.S. 

 Broderip, W. J., F.R.S., F.G.S. 

 Brodie, Sir B. Bart., F.R.S., P.R.C.S. 

 Brown, R., F.R.S., V.P.L.S. 

 Buckland, Prof., D.D., F.R.S., F.G.S. 

 Children, J. G., V.P.R.S., F.S. A. 

 Christie, S. H., Sec. R.S. 

 Colby, Col. R.E.,F.R.S.,Dir.Trig.Surv. 

 Cole, Viscount, M.P., F.R.S., F.G.S. 

 Daniell, Prof., F.RS. 

 DeMorgan, A., Prof. Sec. R.A.S. 

 Egerton,SirP.,Bart.,M.P.,F.R.S.,F.G.S. 

 Faraday, Prof., D.C.L.,F.RS. 

 Fitton, W. H., M.D., F.R.S., V.P.G.S. 

 Gompertz, B., F.R.S., P.M.S. 

 Greenough, G. B., F.R.S., F.G.S. 

 Gilbert, Davies, V.P.R.S., F.R.A.S. 

 Halford, Sir H., Bart., F.R.S., P.R.C.P. 



Hamilton,W., F.R.S., P.R.Geogr.Soc. 

 Holland, H., M.D., F.R.S. 

 Jones, Rev. R., Prof. King's Coll. Lond. 

 Konig, C, K.H., F.R.S., F.L.S. 

 Lemon, Sir C, Bart. M.P., F.R.S. 

 Lubiock, J. W., F.R.S., F. R.A.S. 

 Lvell, C, F.R.S., V.P.G.S. 

 MacLeay, W. S., F.L.S. 

 Murchison, R. I., F.R.S., V.P.G.S. 

 Peacock, Prof.,F.R S., F.R.A.S. 

 Powell, Prof., F.R.S. 

 Rennie, G., F.R.S., F.G.S. 

 Rigaud, Prof., V.P.R.S. 

 Roget, P. M., M.D., Sec. R.S.,F.R.A.S. 

 Sedgwick, Prof., F.R.S., F.G.S. 

 Smith, Joseph, F.R.S., F.L.S. 

 Smyth, Capt., R.N.,K.S.F.,For.Sec.R.S. 

 Somerville, W., M.D., F.R.S., F.L.S. 

 Taylor, John, F.R.S., Treas. G.S. 

 Walker, J., F.R.S., P. Civ. Eng. 

 Whewell, Rev. W., F.R.S., P.G.S. 



A Vase will be presented to Sir John F. W. Herschel on this occasion. 



Tickets, One Guinea each, to be had at the Freemason'6 Tavern before June 11, on presenting Vouch, 

 ers previously obtained from any one of the Stewards. 



RODERICK I. MURCHISON, Hon. Sec. 



