•'The Ci/pn')W(hntUhv required a through reexamination and re- 

 arrangement. Their division into carnivorous and limnophagous 

 species will bo found to bo very natural. 



" The number of species treated of in this volume amounts to 548, 

 a few of which arc mentioned by name only. Cuvier & Valenciennes 

 described 270 species in the corresponding parts of the ' Histoire 

 NatureUe des Poissons.' 



" Numerous and valuable additions to the National Collection have 

 been received since the publication of the last volume ; and I feel the 

 more ple;usure in referring to them, as a great part have been given 

 to assist in the completion of the present volume : — 



"1. Fine examples of British Salmonidae have been presented by 

 His Grace the Duke of Roxburgh, His Grace the Duke of Argyle, 

 the Earl of Enniskillen, the Rev. Chancellor Augustus Morgan, Lord 

 Lovat, Capt. J. B. Dunbar, the Right Hon. Earl Cowper, Lord Ports- 

 mouth, W.Peel, Esq., of Taharis, S. P. W. Ellis, Esq., F. Godman, 

 Esq., F.Z.S., G. Smith, Esq., J. Gould, Esq., F.R.S., J. H. Gumey, 

 Esq., T. Chamberlayne, Esq., R.Franklin, Esq., the late Sir J. 

 Richardson, A. Smee, Esq., F.R.S., Major Scott, of Knaith Hall, 

 J. H. PhiUips, Esq., W. B. Tegetmeier, Esq., W. F. FfenneU, Esq., 

 F. AUies, Esq. The kind assistance of these gentlemen and of Sir 

 Philip de M. G. Egerton, Bart., M.P., has enabled me to bring 

 together a very fine series of British Salmonoids, perhaps the most 

 complete collection ever made available for zoological purposes. 



" 2. A Collection of Danish Salmonoids, presented by the Royal 

 Museum of Copenhagen. 



"3. A Collection of the Salmonoids of the Lake of Constance, pre- 

 sented by Prof. W. von Rapp, of Tiibingen. 



" 4. A Collection of Norwegian Salmones, presented by Prof. N. 

 St. Maskelyne. 



" 5. Specimens of Iceland Char, presented by G. G. Fowler, Esq., 

 of Gunton Hall. 



" 6. Specimens of Trout from the Atlas, presented by Dr. Schimper, 

 of Strasburg. 



" 7. Specimens of Dalmatian Trout, presented by G. Lenox Co- 

 nyngham, Esq. 



" 8. Specimens of the Great Lake-Trout of Geneva, presented by 

 M. G. Lunel, of the Geneva Museum. 



