BIBLIOGRAPHY 797 



monsters. I. Ibid. 1918. Critical notes on the present status of the lens problem. Biol. 

 Bull., 34. — Wetzel, G. 1895. tJber die Bedeutung der circuliiren Furche in der Ent- 

 wicklung der Schultzeschen Doppelbildungen von Rana fusca. Arch. mikr. Anat., 46. 

 1904. Zentrifugalversuche an unbefruchteten Eiern von i^a«a/M.jra. Ibid., 6;^. 1925a. 

 Untersuchungen am Hiihnchenkeim. Verh. deutsch. anat. Ges., 1925. 1925b. Unter- 

 suchungen am Huhnerkeim. I. Arch. Entw'mech., 106. 1929. Untersuchungen am 

 Hiihnchen. Ibid., iig. 1931. Urmund und Primitivstreifen. Ergebn. Anat., 29. 1936. 

 Primitivstreifen und Urkorper nach Storungsversuchen am 1-2 Tage bebriiteten 

 Hiihnchen. Arch. Entw'mech., 134. — Wheeler, W. M. 1896. The sexual phases of 

 Myzostoma. Mitt. zool. Stat. Neapel, 12. 1897. The maturation, fecundation and 

 early cleavage of Myzostoma glabnmi Leuckart. Arch. Biol., 15. — Whitaker, D. M. 

 1935. Induction of polarity in Fucus furcatus by a localized concentration of hydrogen 

 ions. Proc. Soc. Exp. Biol. Med., ^^. 1937a. The effect of hydrogen ion concentration 

 upon the induction of polarity in Fucus eggs. L Jour. Gen. Physiol., 20. 1937b. De- 

 termination of polarity by centrifuging eggs of Fucus furcatus. Biol. Bull., 73. 1938a. 

 The effect of hydrogen ion concentration, etc. IIL Jour. Gen. Physiol., 21. 1938b. The 

 effect of pH on the development of ultracentrifuged Fucus eggs. Proc. Nat. Acad. Sci., 

 24. 1938c. The effect of shape on the polarity of the Fucus egg. Abstr. Amer. Soc. 

 Zool., Anat. Rec, 72, Suppl. 4. 1940. The effect of shape on the developmental axis 

 of the Fucus egg. Biol. Bull., 78. Whitaker, D. M., and Lowrance, E. W. 1936. On 

 the period of susceptibility in the eggs of Fucus furcatus when polarity is induced by 

 brief exposure to directed white Hght. Jour. Cell. Comp. Physiol., 7. 1937. The effect 

 of hydrogen ion concentration upon the induction of polarity in Fucus eggs. II. Jour. 

 Gen. Physiol., 21. — Whitman, C. O. 1878. The embryology of C/c/>5me. Quart. Jour. 

 Micr. Sci., 18. — Wiercinski, F. J. 1939. The effects of supersonic vibrations on recon- 

 stitution and head frequency in Euplanaria dorotocephala. Physiol. Zool., 12. Wier- 

 cinski, F. J., and Child, C. M. 1936. Differential susceptibility of living organisms to 

 supersonic vibrations. Science, 83. — Wiersejski, A. 1906. Embryologie von Physa 

 fontinalis. Zeitschr. wiss. Zool., 83. — Wilder, H. H. 1904. Duplicate twins and double 

 monsters. Amer. Jour. Anat., 3. 1908. The morphology of cosmobia. Ibid., 8. — 

 Wilder, Janet. 1937. A correlation of results on oxygen consumption obtained by the 

 Winkler method and by respirometers, using as a standard the methods of Van Slyke. 

 Physiol. Zool., 10. — Will, L. 1893. Beitrage zur Entwicklungsgeschichte der Rep- 

 tilien (Gecko). Zool. Jahrb. Abt. Anat. Ont. 6. — Willier, B. H., and Rawles, Mary. 

 1931. The relation of Hensen's node to the differentiating capacity of whole chick 

 blastoderms as studied in chorio-allantoic grafts. Jour. Exp. Zool., 59. — Wilson, C. B. 

 1897. Experiments on the early development of the amphibian embryo under the in- 

 fluence of Ringer and salt solutions. Arch. Entw'mech., 5. 1899. The habits and early 

 development of Cerebratulus lacteus. Quart. Jour. Micr. Sci., 63. — Wilson, E. B. 1892. 

 The cell Hneage of Nereis. Jour. Morphol., 6. 1893. Amphioxus and the mosaic theory 

 of development. Ibid., 8. 1894. The mosaic theory of development. Woods Hole Biol. 

 Lect., 2. 1896. Appendix. On cleavage and mosaic work. Arch. Entw'mech., 3. 1898. 

 Considerations on cell-Hneage and ancestral reminiscence. Ann. N. Y. Acad. Sci., 11. 

 1903a. Reversal of asymmetry in the regeneration of the chelae of Alpheus hetero- 

 clielis. Biol. Bull., 4. 1903b. Notes on merogony and regeneration in Renilla. Ibid. 

 1903c. Experiments on cleavage and locahzation in the nemertine egg. Arch. Ent- 



