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'94 CRAMPTON, H. E. Reversal of Cleavage in a Sinistral Gasteropod. 



Ann. New York A cad. Sci. Vol. viii. 

 '96 CRAMPTON, H. E. Experimental Studies of Gasteropod Development. 



Arch. f. Entwicklungsmechanik d. Organismen. Bd. Hi, Heft I. 

 '99a DRIESCH, H. Die Methode der Morphologic. Biol. Centralbl. 



Bd. xix, Nr. 2. 

 '99b DRIESCH, H. Die Lokalisation morphogenischer Vorgange. Arch. 



f. Entwicklungsmechanik d. Organismen. Bd. viii, Heft I. 

 '98 EISIG, H. Zur Entwicklungsgeschichte der Capitelliden. Mittheil. 



a. d. zool. Stat. Neapel. Bd. xiii, Heft I and 2. 

 '96 HAMMAR, J. A. Ueber einen primaren Zusammenhang zwischen den 



Furchungszellen des Seeigeleies. Arch. f. mikr. Anat. Bd. xlvii. 

 '99 HEATH, H. The Development of Ischnochiton. Zool. Jahrb., Abth. 



f. Anat. u. Ont. Bd. xii. 

 '93 HEYMONS, R. Zur Entwicklungsgeschichte von Umbrella mediter- 



ranea. Zeitschr. f. iviss. Zool. Bd. Ivi. 

 '97 HOLMES, S. J. Preliminary Account of the Cell Lineage of Planorbis. 



Zool. Bull. Vol. i, No. 2. 

 '96 JENNINGS, H. S. The Early Development of Asplanchna Herrickii 



De Guerne. Bull. Mus. Comp. Zool., Harvard College. Vol. xxx, 



No. i. 

 '95 KOFOID, C. A. On the Early Development of Limax. Bull. Mus. 



Comp. Zool., Harvard College. Vol. xxvii, No. 2. 

 '95 LILLIE, F. R. The Embryology of the Unionidae. Journ. of Morph. 



Vol. x. 

 '95 McMuRRiCH, J. P. Cell-Division and Development. Biol. Led., 



delivered at Woods Holl, Session of 1894. 

 '97 MEAD, A. D. The Early Development of Marine Annelids. Journ. 



of Morph. Vol. xiii, No. 2. 



'96 MEYER, A. Die Plasmaverbindungen,'etc. Bot. Zeitschr. Bd. liv. 

 '79 RABL, C. Ueber die Entwicklung der Tellerschnecke. Morph. Jahrb. 



Bd. v. 



'82 SACHS, J. Vorlesungen iiber Pflanzenphysiologie. Leipzig. 

 '93 WHITMAN, C. O. The Inadequacy of the Cell Theory of Develop- 

 ment. Journ. of Morph. Vol. viii, No. 3. 

 92 WILSON, E. B. The Cell Lineage of Nereis. Journ. of Morph. 



Vol. vi. 

 '93 WILSON, E. B. Amphioxus and the Mosaic Theory of Development. 



Journ. of Morph. Vol. viii. 

 '97 WILSON, E. B. The Cell in Development and Inheritance. Columbia 



Univ. Biol. Ser. 

 '93 ZIMMERMANN, A. Sammel-Referate aus dem Gesammtgebiete der 



Zellenlehre. Beihefte 2. Bot. Centralbl. Bd. iii. 



