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9a. Joseph, H. — " BeitrJige zur Flinimerzellen und Centrosomenfrage," 

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10. Maas. O. — "Ueber Reifnng und Befruelitimg bei Spongien." ' Anat. 

 Anzeiger,' xvi, 1899, pp. 290-298, 12 text-figs. 



n. "Die Weiterentwickhmg der Syconen nach dei- Metamor- 

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12. Minchin, E. A.—'' Investigations on the Development of Trypano- 



somes in Tsetse-flies and other Diptera." ' Quart. Jouni. Micr. 

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13. " The Relation of the Flagellum to the Collar-cells of Cal- 

 careous Sponges," • Zool. Anzeiger,' xxxv, 1909, i»p. 227-231 . 6 text- 

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14. and Reid, D. J. — " Observations on the Minute Stnicture of 



the Spicules of Calcareous Sponges," ' Proc. Zool. Soc, London,' 



1908, pp. 661-676. pis. xxxiv-xxxvii. 

 15. Prowazek, S. v.—" Flagellatenstudien," ' Arch. Protistenk..' ii. 1903, 



pp. 195-212, pis. V, vi. 

 16. " Die Keniteilung des Entosiphon," 'Arch. Protistenk., 



ii, 1903, pp. 325-328, 12 text-figs. 



17. Schaudinn. F. — " Uy>er den Zeugungski-eis von Paramcel>a eil- 



hardi." ' Sitz. ber. Akad. Wiss. Berlin,' 1896, pp. 31-41, 12 text- 

 figs. 



18. "Generation- sund Wirtswechsel liei Trypanosoma und 



Spirochajte," 'Arlj. k. Gesuudheitsamt., Berlin," xx, 1904, pp. 

 387-439, 20 text-figs. 



19. Werbitzki, F. W. — " Ueber blepharoblastlose Trypanosomen." • CB. 



Bakt. Parasitenkunde.' 1 Al)th. Orig. liii. 1910, pp. 303-315. pis. 

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20. Wilson. E. B. — ' The Cell in Development and Inheritance,' 2nd 



edition, 1904. 



21. Yamamoto, J. — " Ueber den Lokomotionsapparat der Protisten- 



zellen," ' CB. Bakt. Parasitenkunde." 1 Abth. Orig. liii. 1909, pp. 

 38-42. 1 pi., 1 text-fig. 



