[108] Loc. cit. pp. 410, 411, &c.
[109] Loc. cit. p. 415. [This Edition, p. [64].]
[110] Rochen u. Haie. It is here mentioned that Coste observed the segmentation in these fishes.
[111] “Recherches sur la segmentation des products adventifs de l'œuf des Plagiostomes et particulièrement des Raies.” Robin, Journal de l'Anatomie et de la Physiologie, p. 609, 1872.
[112] “Die Eier von Raja quadrimaculata innerhalb der Eileiter.” Sitz. der k. Akad. Wien. Vol. LXXIII. 1873.
[113] Loc. cit. My denial of the existence of this membrane naturally applies only to the egg after impregnation, and to the genera Scyllium and Pristiurus.
[114] Loc. cit.
[115] “Die Embryonal Anlage der Selachier. Vorläufige Mittheilung,” Centralblatt f. Med. Wiss. No. 33, 1875.