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W. K. Parker, Phil. Trans. 173, 1882, p. 443.

[203]

Bridge, P.Z.S. 1895, p. 302.

[204]

Sagemehl, Morph. Jahrb. x. 1885, p. 1; xxvii. 1891, p. 489. Swinnerton, Quart. J. Micr. Sci. xlv. 1902, p. 503.

[205]

Günther, Phil. Trans. 161, 1871, p. 521; Huxley, P.Z.S. 1876, p. 31; Wiedersheim, Morph. Stud. i. Jena, 1880, p. 46; Bridge, Trans. Zool. Soc. xiv. 1898, p. 350.

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Ridewood, P.Z.S. 1894, p. 632.