The works of Francis Maitland Balfour, Volume 2 (of 4)

by Francis M. Balfour

[56] For this term as well as for the terms telolecithal and centrolecithal I am indebted to Mr Lankester.

[57] Mayer, Jenaische Zeitschrift, Vol. XI.

[58] Ed. van Beneden, Bull. d. l’Acad. roy. Belgique, 2^me série, Tom. XXVIII. No. 7, 1869, p. 54.

[59] Zeitschrift für wiss. Zool., Vol. XXIV. 1874.

[60] Bobretzky, Zeit. f. wiss. Zool., Bd. XXXI. 1878.

[61] Metschnikoff, “Embry. Stud. Insecten,” Zeit. für wiss. Zool., Bd. XVI. 1866. My own observations on this form accord in the main with those of Metschnikoff.

[62] Vide Weismann, Entwicklung d. Dipteren; and Auerbach, Organologische Studien.

[63] Vide Ludwig, Zeit. f. wiss. Zool., 1876.

[64] and [65] Ed. van Beneden, Bull. Acad. Belgique, Vol. XXVIII. 1869.