PERITRICHA 801 



lae; commensal on, or parasitic in, fresh or salt water animals. Sev- 

 eral species. MacLennan (1939) made a careful study of two species. 



C. spongillae J. (Fig. 366, g). About 6G> in diameter; in interstices 

 of Spongilla fluviatilis. 



C. domerguei Wallengren (Fig. 366, h, i). 23-56;u in diameter; 

 about one-fifth high; 18-25 denticles, each with a narrow slightly 

 curved spine; outer cuticular ring more fineby striated than inner 

 ring; cirri longer than membranellae (MacLennan, 1939); on fresh 

 water fishes. 



References 



Awerinzew, G. W.: (1936) Zur Biologie des Infusors Lagenophrys. 

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Bishop, E. L. Jr. and Jahn, T. L. : (1941) Observations on colonial 

 peritrichs of the Okoboji region. Proc. Iowa Acad. Sc, 48:417. 



Oavallini, F. : (1931) La gemmazione in Trichodina pediculus. Arch. 

 Protist., 75:167. 



da Cunha, A. X. : (1950) Trichodina ranae, etc. Mem. Estud. Mus. 

 Zool. Coimbra., no. 202, 11 pp. 



Diller, W. F.: (1928) Binary fission and endomixis in the Tricho- 

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Faure-Fremiet, E.: (1943) Etude biometrique de quelques tricho- 

 dines. Bull. Soc. Zool. France, 68:158. 



and Mugard, Helene: (1946) Une trichodine parasite en- 



dovesicale chez Rana esculenta. Ibid., 71 :36. 



— and Thaureaux, J. : (1944) Les globules de "paraglycogene" 



chez Balantidium elongatum et Vorticella monilata. Ibid., 69:3. 



Finley, H. E. : (1943) The conjugation of Vorticella microtsoma. Tr. 

 Am. Micr. Soc, 62:97. 



Fulton, J. F. Jr.: (1923) Trichodina pediculus and a new closely re- 

 lated species. Proc. Boston Soc. Nat. Hist., 37: 1. 



Furssenko, A.: (1929) Lebenscyclus and Morphologie von Zoo- 

 thamnium arbuscula. Arch. Protist., 67:376. 



Hirshfield, H.: (1949) The morphology of Urceolaria karyolobia 

 sp. nov., etc. J. Morphol., 85: 1. 



Jarocki, J. and Jakubowska, Wanda: (1927) Eine neue, solitar 

 freischwimmende Peritriche, Hastatella aesculacantha n. sp. 

 Zool. Anz., 73:270.* 



Kahl, A.: (1935) Peritricha und Chonotricha. In Dahl's Die Tier- 

 welt Deutschlands, etc. Part 30:651. 



Kent, S.: (1881-1882) A manual of Infusoria. 



Kofoid, C. A. and Rosenberg, L. E.: (1940) The neuromotor sys- 

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MacLennan, R. F.: (1939) The morphology and locomotor activi- 

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Mast, S. O. : (1944) A new peritrich belonging to the genus Ophryd- 

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Mueller, J. F.: (1932) Trichodina renicola, a cilate parasite of the 

 urinary tract of Esox niger. Roosevelt Wild Life Ann., 3: 139. 



