Cf. Thilo, Zool. Anz. 1902, p. 305.

[727]

Cf. Boulenger, Ann. Mag. Nat. Hist. (7), 1902, p. 295, and C. R. Ac. Sci. cxxxvii. 1903, p. 523.

[728]

Cf. Steenstrup, Vid. Selsk. Skr. 1863, p. 253, Ann. Mag. Nat. Hist. xv. 1865, p. 361, and Overs. Selsk. Skr. 1876, p. 174; Malm, Svensk. Vet. Ak. Handl. vii. 1868, No. 4, p. 28; A. Agassiz, P. Amer. Ac. xiv. 1878, p. 1; Emery, Mitth. Zool. Stat. Neap. iv. 1883, p. 413; Facciola, Natural. Sicil. iv. 1885, p. 261, and vi. 1887, p. 74; Ehrenbaum, Wiss. Meeresunters. (2), ii. 1897, p. 255; Nishikawa, Annot. Zool. Japan, i. 1897, p. 73.

[729]

On the morphology and classification, cf. Traquair, Tr. Linn. Soc. xxv. 1865, p. 263; Jordan and Goss, Rep. U.S. Fish Comm. f. 1886 (1889); Kyle, Rep. Fish. Board Scotland, 1900, p. 335. Also the Monographs of the Sole, by J. T. Cunningham (Plymouth, 1890, 4to), and of the Plaice by Cole and Johnstone, Liverpool M.B.C. Memoirs, viii. 1901.

[730]

On the breeding habits and eggs, cf. F. de Filippi, "Mem. s. sviluppo del Ghiozzo" (Ann. Univ. Med. Milano, 1841); Holt, Ann. Mag. Nat. Hist. (6); vi. 1890, p. 34; Petersen, Vid. Meddel. 1891, p. 243; Guitel, Ann. Mag. Nat. Hist. (6) viii. 1891, p. 407, and Arch. Zool. Expér. (2), x. 1892, p. 499, and (3) iii. 1895, p. 263.

[731]