REFERENCES 465 



Hempelmann, F. (1943). Pogonophora. Morphologie und Entwicklungsgeschichte der 



Wirbellosen. Fortschr. Zool. 7, 79, 79. 

 Hyman, L. H. (1958). The occurrence of chitin in the lophophorate phyla. Biol. Bull., 



Woods Hole, 114, 106-112. 

 Ivanov, A. V. (1949). [A new representative of the class Pogonophora.] Zool. Zh. 28, 79-84. 

 Ivanov, A. V. (1951). [On including the genus Siboglinum Caullery in the class Pogono- 

 phora.] Dokl. Akad. Nauk. S.S.S.R. lb, 739-742. 

 Ivanov, A. V. (1952). [New Pogonophora from the far eastern seas.] Zool. Zh. 31, 372-391. 



[Translated into English as Ivanov, 1954b.] 

 Ivanov, A. V. (1954a). [The structure of a new group of animals, the Pogonophora, and 



their position in the classificatory system of the animal kingdom.] Nauchn. sessiya 



1953-1954 Leningr. gos. Univ. Tezisy Dokl. sektsii biol. Nauk, L, 1954, 100-104. [Thesis 



summary, Leningrad University.] 

 Ivanov, A. V. (1954b). New Pogonophora from far eastern seas. Syst. Zool. 3, 69-79. 



[A translation of Ivanov, 1952.] 

 Ivanov, A. V. (1955a). [The basic features of the organization of the Pogonophora.] 



Dokl. Akad. Nauk. S.S.S.R. 100, 175-177. [Translated into English as Ivanov, 1955d.] 

 Ivanov, A. V. (1955b). [On external feeding in Pogonophora.] Dokl. Akad. Nauk. S.S.S.R. 



100, 381-383. [Translated into English as Ivanov 1955d.] 

 Ivanov, A. V. (1955c). [On assigning the class Pogonophora to a new deuterostomate 



phylum— Brachiata A. Ivanov, phyl. nov.] Dokl. Akad. Nauk. S.S.S.R. 100, 595-596. 



[Translated into English as Ivanov, 1955d.] 

 Ivanov, A. V. (1955d). The main features of the organization of Pogonophora. On external 



digestion in Pogonophora. On the assignment of class Pogonophora to a separate phylum 



of Deuterostomia — Brachiata A. Ivanov, phyl. nov. Syst. Zool. 4, 171-177. [Translation 



of Ivanov, 1955a, b, c] 

 Ivanov, A. V. (1955e). [The class of pogonophores — Pogonophora.] Atlas bespozv. 



daPnevost. morel S.S.S.R. [Atlas of the invertebrates of the far eastern seas of the U.S.S.R.] 



Akad. Nauk. S.S.S.R., 223-225. 

 Ivanov, A. V. (1956a). [Pogonophora from the northwestern part of the Pacific Ocean.] 



Trud. Probl. Tematich. soveshch. Zool. Inst., 6, 20-21. 

 Ivanov, A. V. (1956b). [On the systematic position of the Pogonophora.] Zool. Zh. 35, 



1863-1872. [Translated into English as Ivanov, 1956c] 

 Ivanov, A. V. (1956c). On the systematic position of the Pogonophora. Syst. Zool. 5, 



165-173. [A translation of Ivanov, 1956b.] 

 Ivanov, A. V. (Ivanov, A. W.) (1957a). Neue Pogonophora aus dem nord-westlichen Teil 



des Stillen Ozeans. Zool.Jb. Syst. 85, 431-500. 

 Ivanov, A. V. (1957b). [Material on the embryological development of the Pogonophora.] 



Zool. Zh. 36, 1127-1144. 

 Ivanov, A. V. (1958a). [The structure of the genital system in Pogonophora.] Zool. Zh. 



37, 1363-1374. 

 Ivanov, A. V. (1958b). [The nervous system of Pogonophora.] Zool. Zh. 37, 1682-1693. 



[Translated into English as Ivanov, 1959e.] 

 Ivanov, A. V. (Iwanow, A. W.) (1958c). Ein Beitrag zur Embryonalentwicklung der 



Pogonophoren. Sowjetwissenschaft , Naturwissenschaftliche Beit rage, 10, 1068-1086. 



[A German translation of Ivanov, 1957b.] 



