VI PREFACE. 



C. B. Yule, E.N., and Lieut. J. Dayman, R.N., I 

 beg- to express my thanks for the liberal manner in 

 which they carried out their Lordships' intentions. 



To the other g-entlemen who have contributed 

 Appendices to this work — George Busk, Esq. F.B.S., 

 Dr. R. G. Latham, Prof. Edward Forbes, F.R.S., 

 and Adam White, Esq., F.L.S. — I have also to 

 offer my best thanks. It also affords me great 

 pleasure to record my obligations to T. Huxley, 

 Esq. R.N., F.R.S., late Assistant-Surgeon of the 

 Rattlesnake, for the handsome manner in which he 

 allowed me to select from his collection of drawings 

 those which now appear as illustrations ; and I may 

 express the hope, which in common with many 

 others I entertain, that the whole of his researches 

 in marine zoology may speedily be laid before the 

 scientific world. My own collections in Natural 

 History have been submitted to the examination of 

 various eminent naturalists. Many of the novelties 

 have already been described, and the remainder will 

 appear from time to time. 



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