SF.X IN PROTOZOA 251 



cili;it;i of the ijcmis BaLtnt'uiUiiii, etc. Mem. i//st. OrLi\iliio (/rnz, 23, 1K9- 



235. 

 Dallingcr, \\'. H., and J. Drwsdalc. lS73;i. Researches on tlic life hisroi\ of a 



cerconionad; a lesson in biogenesis. Monthly Mlcroscop. ]., 10, 53-5S. 

 . 1873b. Further researches into the life history of monads. Monthly 



Microscop. /., 10, 245-249. 

 . 1874a. Further researches into the life history of the monads. II. 



Monthly Microscop. J., 11, 7-10. 

 . 1874b. Further researches into the life histor\' of the monads. II (con- 

 tinued). Monthly Microscop. J., 11, 69-72. 

 . 1874c. Continued researches into the life history of the monads. 



Monthly Microscop. J., 12, 261-269. 

 . 1875. Further researches into the life history of the monads. Monthly 



Microscop. }., 13, 185-197. 

 Dangeard, P. A. 1886. Researches sur les organisms inferieurs. Aim. sci. nat., 



ser. 7 (Bot.). 4, 241-341. 

 . 1910. Etudes sur le developpement des organisms inferieurs. Le 



Botaniste, ser. 11, 1-311. 

 -. 1937. Memoire sur le Difflugia globiilosa Dujardin. Le Botaniste^ ser. 



28, 229-274. 

 Debaiseaux, P. 1928. Etudes cytologiques sur quelques microsporidies. La 



Cellule, 38, 387-452. 

 DeGaris, C. F. 1935. Lethal effects of conjugation between Parameciin/i 



aurelia and double monsters of P. caudatinn. Am. Naturalist, 69, 87-91. 

 Dehorne, A. 1920. Contribution a I'etude comparee de Tappareil nucleaire des 



infusoires cilies {Paraineciiau candatwn et Colpidiuvi truncatiivi), des 



euglenes et des cyanophycees. Arch. zool. exptl. et gen., 60, 47-176. 

 Dennis, E. W. 1932. The life-cycle of Babesia bigeniina (Smith and Kilbourne) 



of Texas cattle-tick fever in the tick, Mar gar opus annulatus (Say). Univ. 



Calif. (Berkeley) Pubs. Zool., 36, 263-298. 

 Deschiens, R. 1933. Recherches sur le cycle evolutif et la culture d' Amoeba 



diploidea Hartmann et Nagler (1908). Ann. inst. Pasteur, 50, 695-702. 

 Devide, Z. 1951. Chromosomes in ciliates. Bull, intern, acad. yougoslave, 



Zagreb, n. s. 3, 75-114. 

 Devide, Z. and L. Geitler. 1947. Die Chromosomen de Ciliaten. Chroiiwsoiiia, 



3, 110-136. 

 Diller, W. F. 1928. Binary fission and endomixis in the Trie hod ina from tad- 

 poles. /. Morphol. and Physiol., 46, 521-561. 



. 1934. Autogamy in Paraineciwn aurelia. Science, 79, 57. 



. 1936. Nuclear reorganization processes in Paranieciu7U aurelia, with a 



description of autogamy and "hemixis." /. Morphol., 59, 11-67. 

 . 1940a. Nuclear Behavior and Reproduction in Ciliated Protozoa. 



Cytology, Genetics and Evolution. University of Pennsylvania Press, 



Philadelphia. 

 . 1940b. Nuclear variation in Paraiueciwii caudatmn. J. Morphol., 68, 



605-633. 



