594 BIOLOGY OF THE PROTOZOA 



Martin, C. H., and Robertson, M.: 1909, Preliminary Note on Trypanosoma 

 eberthi — and Some Other Parasitic Forms from the Intestine of the Fowl, Proc. 

 Roy. Soc, London, vol. 81. 



Massart, J.: 1891, Reeh^rches sur les organismes infdrieurs, Bull. d. I'acad. Belg., 

 Ser. 3, vol. 12. 



Mast, S. O.: 1916, Observations on Ciliary Current in Free-swimming Paramecia, 

 Jour. Exp. Zo5l., vol. 21, No. 2. 1916, (2) The Process of Orientation in the 

 Colonial Organism, Gonium pectorale, etc.. Ibid., vol. 20, No. 1. 1917, Conjuga- 

 tion and Encystment in Didinium nasutum. Ibid., vol. 23, No. 2. 1917 (2), 

 Mutation in Didinium nasutuvi. Am. Natur., vol. 51 . 1918, Effects of Chemicals 

 on Reversion in Orientation to Light in the Colonial Form Spondylomorum 

 quaternarium. Jour. Exp. Zool., vol. 26, No. 3. 1923, The Effect of Temperature, 

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Mast, S. O., and Pusch, L. C: Modification of Response in Amceba, Biol. Bull, 

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Mast, S. O., and Root: 1916, Observations on Amoeha Feeding on Rotifers, Nema- 

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Maupas, E.: 1883, Contributions a I'etude morphologique et anatomique des 

 Infusoires cilies. Arch. Zool. exp. (2), vol. 1. 1888, Sur la multiplication des 

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 chez les cilies, Il:)id. (2), vol. 7. 



Mayor, J. W.: 1916, On the Life History of Ceratomyxa acadiensis, a New Species 

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Meissner, M.: 1888, Beitrage zur Erniihrungsphysiologie, Zeit. wiss, Zool., vol. 46. 



Mengheni, a.: 1913, Sulle condizioni che determinano I'incistidamento e il dis- 

 incistidamento degli Infusori, Bios 2, vol. 2. 



Mercier: 1909, Contributions a I'etude de la sexualite chez les Myxosporidies et 

 les Microsporidics, Mem. Acad. Roy. d. Belg. (2), No. 2. 



Merton: 1908, LTeber den Bau und die Fortflanzung von Pleodorina illinoisensis. 

 Zeit. u. Zool., vol. 90. 



Mesnil, F., and Mouton: 1903, Sur une diastase proteolitique extraite des Infus- 

 oires cilies, Compt. rend. Soc. de Biol., vol. 55. 



Metalnikoff, S.: 1903, Ueber die intracellulare Verdauung., Bull. Acad., St. 

 Petersburg, vol. 19. 



Metalnikoff, S.: 1919, L'immortalite des organismes unicellulaires, Ann. I'lnst. 

 Past, vol. 33. 1912, Contributions a I'etude de la digestion intracellulaire chez 

 les protozoaires. Arch. Zool. exp. (5), No. 9. 



Metcalf, M. M. : 1918, Opalina and the Origin of Ciliata, Anat. Rec, vol. 14. 1923, 

 The Opalinid ciliate Infusorians, Bull. Smithson. Inst., No. 120. 



Metschnikoff, E.: 1889, Rech^rches sur la digestion intracellulaire, Ann. I'lnst. 

 Past. 



Meyer, A.: 1904, Oricntierenden Untersuchungen iiber Verbreitung, Morphologie 

 und Cliemie des Volutins, Bot. Zeit., vol. 64. 



Middleton, a. R.: 1915, Heritable Variations and the Results of Selection in the 

 Fission-rate of Stylonychia pustulata, Jour. Exp. Zool., vol.. 19. 1918, Heritable 

 Effects of Temperature Differences on the Fission-rate of Stylonychia pustulata, 

 Genet., vol. 3. 



Miller, W. W.: 1908, Hcpatozoon perniciosum n. g.. Bull. Hyg. Lab., Washington, 

 vol. 46. 



Minchin, E. a.: 1912, Introduction to the Study of the Protozoa, London. 



Minchin, E. a., and Thompson, J. D.: 1915, The Rat Trypanosome, T. lewisi, in 

 its Relation to the Rat Flea — Ceratophyllus fasciatus. Quart. Jour. Mic. Sci., 

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Moody, J. : 1912, Observations on the Life History of Two Rare Ciliates Spathidium 

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Moore, E. L.: 1924, Endomixis and Encystment in Spathidium spathula. Jour. 

 Exp. Zool., vol. 39, No. 2. 1924 (2), Regeneration at Various Phases in the 

 Life History of the Infusorians Spathidium spathula and Blepharisma undulans, 

 Ibid., vol. 39, No. 2. 



MoROFF, T.: 1910, Vegetative und Reproductive Erscheinungen bei Thalassicolla. 

 Hertw. Festschr. 



