Fig. 3.
Light microphotographs of L4 Eustrongylides tubifex: A, anterior end showing tapering end; B, anterior end showing papillae under fine adjustment; C, en face view showing arrangement of papillae; D, posterior blunt end.
Light microphotographs of L4 Eustrongylides tubifex: A, anterior end showing tapering end; B, anterior end showing papillae under fine adjustment; C, en face view showing arrangement of papillae; D, posterior blunt end.