[266] Wiegmann's Archiv, 1837.

[267] Bericht Versamml. deutsch. Naturf. in Prag, 1837.

[268] Bericht Versamm. deutsch. Naturf. in Freiburg, 1838. Later in his Entw. d. Wirbelth., and in his papers on the development of the rabbit.

[269] Phil. Trans., 1839. See particularly Pl. vi., figs. 105-12.

[270] Embryologie des Salmones 1842.

[271] Müller's Archiv, 1847.

[272] C.R. Acad. Sci., xxx., p. 638.

[273] See review by Leydig in Isis, 1848, pp. 161-193.

[274] Müller's Archiv, pp. 89-102, 1841.

[275] De evolution Stronzyli auric. el Ascaridis acum., Erlangen, 1841.