96 PROTOZOOLOGY 



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fusorien aus dem Darme des Pferdes. I. Arch. Protist., 68:503. 

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Univ. California Publ. Zool., 19:403. 

 (1941) Ciliate fibrillar systems. In: Calkins and Summers' 



Protozoa in biological research. 

 ten Kate, C. G. B.: (1927) Ueber das Fibrillensvstem der Ciliaten. 



Arch. Protist., 57:362. 



(1928) II. Ibid., 62:328. 



Thon, K. : (1905) Ueber den feineren Ban von Didinium nasutum. 



Ibid., 5:282. 

 Tobie, Eleanor J.: (1951) Loss of the kinetoplast in a strain of 



Trypanosoma equiperdum. Tr. Am. Micr. Soc, 70:251. 

 Tonniges, C: (1914) Die Trichocysten von Frontonia leucas und 



ihr chromidialer Ursprung. Arch. Protist., 32:298. 

 Turner, J. P.: (1933) The external fibrillar system of Euplotes with 



notes on the neuromotor apparatus. Biol. Bull., 64:53. 

 (1937) Studies on the ciliate Tillina canalifera n. sp. Tr. 



Am. Micr. Soc, 56:447. 



(1940) Cytoplasmic inclusions in the ciliate, Tillina canali- 



fera. Arch. Protist., 93:255. 



Verworn, M.: (1903) Allgemeine Physiologic 4th ed. Jena. 



Visscher, J. P.: (1926) Feeding reactions in the ciliate Dileptus 

 gigas, etc Biol. Bull., 45: 113. 



Vlk, W.: (1938) Ueber den Bau der Geissel. Arch. Protist., 90:-148. 



Weatherby, J. H.: (1941) The contractile vacuole. In: Calkins and 

 Summers' Protozoa in biological research. 



Weisz, P. B.: (1948) The role of carbohydrate reserves in the re- 

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(1949) A cytochemical and cytological study of differentia- 

 tion in normal and reorganizational stages of Stenlor coeruleus. 

 J. Morphol., 84:335. 

 (1950) On the mitochondrial nature of the pigmented gran- 

 ules in Stentor and Blepharisma. Ibid., 86:177. 



Wetzel, A.: (1925) Vergleichend cytologische Untersuchungen an 

 Ciliaten. Arch. Protist., 51:209. 



Wilber, C. G. : (1942) The cytology of Pelomyxa carolinensis. Trans. 

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(1945) Origin and function of the protoplasmic constituents 



in Pelomyxa carolinensis. Biol. Bull., 88:207. 



Wohlfarth-Bottermann, K-E. : (1950) Funktion und Struktur der 

 Parameciumtrichocysten. Wissenschaften, 37:562. 



Woodcock, H. M.: (1906) The haemoflagellates : a review of present 

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Woodruff, L. L. and Spencer, H.: (1922) Studies on Spathidium 

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Yocom, H. B. : (1918) The neuromotor apparatus of Euplotes patella. 

 Univ. California Publ. Zool., 18:337. 



