Fig. 41. Graafian follicle with two ova, about to divide into two follicles, from a rabbit six weeks after birth. Zeiss D D, ocul. 2.
[370] From the Quarterly Journal of Microscopical Science, Vol. 18, 1878.
[371] Arbeiten a. d. zool.-zoot. Institut Würzburg, Bd. I.
[372] Archiv f. micr. Anat. Vol. XI.
[373] Arbeiten a. d. zool.-zoot. Institut Würzburg, Bd. II.
[374] Loc. cit. p. 361.
[375] Archiv f. micr. Anat. Vol. XIV.
[376] Vide especially Klein, Quart. Journ. of Mic. Sci. July 1878.
[377] Rochen u. Haie.
[378] By chorion I mean, following E. van Beneden's nomenclature, a membrane formed by the follicular epithelium, and, by vitelline membrane, one formed by the vitellus or body of the ovum.