You have requested access to download the full text of the source (SourceID: 9569): Cobb, N. A. (1929). The ambulatory tube and other features of the nema Draconema cephalatum. J. Wash. Acad. Sci. 19 (**): 255-260, (reprinted in Contrib. to a Science of Nematology (Baltimore) 22: 413-418).
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