The works of Francis Maitland Balfour, Volume 1 (of 4)

by Francis M. Balfour

[446] From the Quarterly Journal of Microscopical Science, Vol. XIX. 1879.

[447] Die Erste Entwicklungsvorgänge am Ei der Reptilien, Königsberg, 1878.

[448] For these two specimens, which were hardened in picric acid, I am indebted to Dr Kleinenberg.

[449] This appears to me to take place before the formation of the embryonic shield.

[450] Gasser, Der Primitivstreifen bei Vogelembryonen, Marburg, 1878.

[451] Journal of Anat. and Phys., Vol. X. pp. 790 and 791. Compare also my Monograph on Elasmobranch Fishes, note on p. 68 [This edition, p. [281]].

[452] “Primitivrinne u. Urmund,” Morphologisches Jahrbuch, Band II. p. 551.

[453] Gasser, Der Primitivstreifen bei Vogelembryonen, Marburg, 1878.

[454] I use this term for the canal connecting the neural and alimentary tract, which was first discovered by Kowalevsky.

[455] Loc. cit.