320 INTRODUCTION TO CYTOLOGY 



and physico-chemical data must be secured before any theory ad- 

 equately harmonizing all the observed phenomena of parthenogenesis can 



be formulated. 



Bibliography 13 



Apogamy; Apospory; Parthenogenesis 



(For papers of Bataillon, Harvey, Herlant, McClendon, F. R. Lillie, R. S. Lillie, 

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1886. Ueber die Eireifung bei Insekten. Biol. Cent, 6: 554-559. 



1887. Ueber die Richtungskorper bei Insekteiren. Morph. Jahrb. 12: 544-574. 

 pis. 26, 27. See also Biol. Cent, 7: 108-111. 



Boveri, T. 1887. Zellen-Studien. I. Die Bildung der Richtungskorper bei Ascaris 



megalocephala und Ascaris lumbricoides. Jen. Zeitsch. 21: 423-515. pis. 25-28. 

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stanz bei der Bildung der Richtungskorper und bei der Befruchtung. Ibid. 24 : 



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 Brauer, A. 1894. Zur Kenntniss der Reifung des parthenogenetisch sich en- 



twickelenden Eies von Artemia salina. Arch. Mikr. Anat. 43 : 162-222. pis. 



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 Brown, E. D. W. 1919. Apogamy in Camptosorus rhizophyllus. Bull. Torr. Bot. 



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 Druery, C. T. 1884. Observations on a singular mode of development in the lady- 

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