Messrs. Berkeley and Broome on British Fungi. 123 The young individuals differ considerably from the adults by the shorter form of the body, their shorter tubiform muzzle, and by the well-marked development of the teeth, of the scutes of the skin, and of the hooked spines of the scales. There is no doubt that "(7. ve/itom," Pallas, is a nearly adult form, and C. hrevispinis, Kn., Steind., a very young form of C. gra-cilis, and that these two specific names must disappear, as well as the genus Orthichthys of Mr. Gill. His genus Centriscops (type C. humerosus, Eich.) is better founded as regards the physiognomy, but is not based upon any important character or any special peculiarity of organization. Finally, in a postscript, I refer to the considerable changes which occur in some groups of marine fishes which I have not had the opportunity of examining in this memoir, but which have been elucidated by other authors, or will be so, I hope, hereafter by myself. I may cite, for example, the metamor-phoses (1) of the Pleuronectidge, which have especially been elucidated by MM. Jap. Steenstrup and Alex. Agassiz ; (2) of certain Gadoids ; the CoucMce, notwithstanding what may have been said, are the young of various species of Motella, and Hypsiptera argentea the young form of a Phycid ; (3) of the Macruri^ Ophidia, and Trachypteri^ which have been elucidated by Mr. Emery ; (4) of the Sunfish {Mola rotunda and Ranzania truncata), of which I hope soon to be able to give an explanation conjointly with M. Steenstrup ; and, lastly, (5) oi Ansonia Cuvieri, Risso {Luvarus imperialist, of which M. Giglioli has demonstrated that Diana semilunata^ Risso {Astrodermus coryphcenoides) , is the young form. This last is certainly one of the most remarkable of the transforma-tions presented by the family of the Scomberoids, otherwise so rich in examples of this kind, to the knowledge of which I have also made some contributions in this memoir. XI. — Notices of British Fungi. By the Rev. M. J. Berkeley, F.R.S., and C. E. Broome, Esq., F.L.S. [Continued from ser. 5, vol. iii. p. 212.] [Plate III.] 1833. Agaricus (Amanita) nitidus, Fr. Mattishall, Rev. J. M. Duport. Several specimens have been forwarded, some exactly agree-
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