[647]

I have not been able to convince myself of the existence of an intergular plate in this genus, but I am satisfied that the postclavicle rests on the outer side of the clavicular arch. The bone that has been regarded as a small intergular plate in Spaniodon is, in my opinion, the glossohyal.

[648]

On the life-histories of the British Clupeids, cf. Heincke, "Naturgeschichte des Herings" (Abh. Deutsch. Seefisch. Ver. ii. 1898); J. T. Cunningham, "Life-History of the Pilchard" (J. Mar. Biol. Ass. [2] iii. 1894, p. 148), and the manuals of the latter author (Marketable Fishes of Great Britain, 1896) and of M‘Intosh and Masterman (British Marine Food-Fishes, 1897).

On the accessory branchial organs of some genera, see p. [294].

[649]

For important contributions to our knowledge of European and American Salmonids since the publication of Günther's account in the British Museum Catalogue, cf. F. Day, British and Irish Salmonidae (1887), Smitt, Krit. Förteckn. Riksmus. Salmonider (1886), Fatio, Faune des Vertébrés de la Suisse, v. (1890), and Jordan and Evermann, Fish. N. America, i. (1896).

[650]

In Anomalopterus, however, a sort of adipose fin exists, as a fold or cushion on the back, but in front of the rayed dorsal.

[651]