HOLOTRICHA 787 



fragments of host cells including nuclei; conjugation; on the gills of 

 Tapes aureus (Chatton and Lwoff, 1950). 



Genus Gargarius Chatton and Lwoff. Dorso-ventrally flattened; 

 with a "horn" near the anterior end; sucker occupies the entire ven- 

 tral surface, its margin showing papillous extensions; on the ventral 

 surface there are two groups of ciliature; four rows on each side; on 

 Mytilus (Chatton and Lwoff, 1934). 



G. gargarius C. and L. (Fig. 334, e, /). Body about 35m long; cili- 

 ated embryos formed by budding or unequal division; macronucleus 

 elongate; micronucleus spherical; on Mytilus edulis (Chatton and 

 Lwoff, 1950). 



References 



Beers, C. D.: (1938) Hysterocineta eiseniae, etc. Arch. Protist., 91: 

 516. 



Chatton, E. and Lwoff, A.: (1922) Sur 1'evolution des infusoires 

 des lamellibranches, etc. C. R. Acad. Sc, 175:787. 



(1923) Sur revolution des infusoires des lamelli- 

 branches. Ibid., 177:81. 



(1926) Diagnoses de cilies thigmotriches nouveaux. 



Bull. Soc.Zool.Fr., 51:345. 



(1939) Sur le sucoir des infusoires thigmotriches 



rhyncoides, etc. C. R. Acad. Sc, 209:333. 



(1949) Recherches sur les cilies thigmotrichs. I. 



Arch. zool. exper. gen., 86:169. 



(1950) II. Ibid., 86:393. 



Cheissin, E.: (1931) Infusorien Ancistridae und Boveriidae aus 



dem Baikalsee. Arch. Protist., 73:280. 

 Jarocki, J.: (1934) Two new hypocomid ciliates. Heterocineta ja- 



nickii, etc. Mem. Acad. Pol. Sci. Lett. CI. Math. Nat. Ser. B, 



Sc. Nat., p. 167. 

 and Raabe, Z.: (1932) Ueber drei neue Infusorien-Genera 



der Familie Hvpocomidae, etc. Bull. Acad. Pol. Sc. Lett. Ser. 



B. Sci. Nat. (II), p. 29. 

 Kidder, G. W.: (1933) On the genus Ancistruma. I. Biol. Bull, 64: 



1. 



(1933a) II. Arch. Protist., 81:1. 



(1933b) Studies on Conchophthirius mytili. I. Ibid., 79: 1. 



(1933c) II. Ibid., 79:25. 



(1933d) Conchophthirius caryoclada sp. nov. Biol. Bull., 65: 



175. 



(1934) Studies on the ciliates from freshwater mussels. I. 



Ibid., 66:69. 



(1934a) II. Ibid., 66:286. 



Konig, A.: (1894) Hemispeiropsis comatulae, etc. Sitzb. kais. Akad. 



Wiss., Wien. M.-N. CI., 103:55. 

 Kofoid, C. A.: (1903) On the structure of Protophrya ovicola, etc. 



Mark Anniv. Vol., Harvard Uni., p. 111. 



