THE 



A MAGAZINE 



OF 



NATURAL HISTORY, 



CONDUCTED BY 



JOHN E. ROB SON, F.E.S., Hartlepool, 



WITH THE ASSISTANCE IN VARIOUS DEPARTMENTS OF 



G. C. BIGNELL, F.E.S., Plymouth ; C. S. GREGSON, Liverpool ; 



C. A. BRIGGS, F.E.S., London; A. F. GRIFFITH, M.A., Brighton; 



S. J. CAPPER, Liverpool ; G. A. LEWCOCK, London. 



C.W.DALE, F.E.S., Sherburn, Dorset; J. P. SOUTTER, Bishop Auckland; 



GEO. ELISHA, F.E.S., London; W. H. TUGWELL, F.E.S., Greenwich ; 



Dr. ELLIS, F.E.S., Stoke-on-Trent; SYDNEY WEBB, Dover; 



JOHN GARDNER, Hartlepool; LINNyEUS GREENING, Warrington. 



VOL. XI. 



JOHN KEMPSTER & Co., 2 ALBION PLACE, BLACKFRIAR'S BRIDGE, S.E. 



