[149] “Wirbelthiereier mit partieller Dottertheilung.” Müller's Arch. 1861.
[150] Erste Anlage des Wirbelthierleibes.
[151] Eierstock u. Ei.
[152] Entwicklungsgeschichte der Unke. The important researches of Götte on the development of the ovum, though meriting the most careful attention, do not admit of discussion in this place.
[153] Annals and Magaz. of Natural History, Vol. XI. 1873, p. 81.
[154] Archiv f. Mikr. Anat. Vol. X.
[155] Quart. Journ. of Micr. Science, Oct. 1874.
[156] Archiv f. Mikr. Anat. Vol. XXI.
[157] “Comparison,” &c., Quart. Journ. Micr. Science, July, 1875. [This Edition, No. VI.]
[158] Loc. cit.