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34,/. Wilson, E. B. The Cell. New York. 1896. 



34. g. Wilson, E. B. Cell Lineage and Ancestral Reminiscence. Ann. 



New York Acad. Set. 1898. 



35. WiSTiNGHAUSEN, C. V. Untersuchungen iiber die Entwicklung von 



Nereis Bumerilii. Mittheil. a. d. zool. Stat. Neapel. Bd. x. 



36. ZuR Strassen, O. Embryonalentwicklung der Ascaris megalocephala. 



Arch.f. Entwickhingsmechanik. 1896. 



Appendix to Literature. 



1. Child, C. M. The Early Development of Arenicola and Sternaspis. 



Arch.f. Entwick. der Organistnen. Bd. ix, Heft 4. 1900. 



2. Heath, Harold. The Development of Ischnochiton. Zool. Jahrb. 



Bd. xii. 1899. 



3. Holmes, S. J. The Early Development of Planorbis. Jourtt. of 



Morph. Vol. xvi, No. 2. 1900. 



4. Mead, A. D. The Cell Origin of the Prototroch. Biol. Led. 1898. 



5. Wilson, E. B. Cell Lineage and Ancestral Reminiscence. Biol, 



Lect. i8q8. 



