Lug Worm

References

• Bumpus, H. C., 1898. The breeding of animals at Woods Holl during the months of June, July and August. Science, 8: 850-858.
• Child, C. M., 1897. A preliminary account of the cleavage of Arenicola cristata, with remarks on the mosaic theory. Zool. Bull., 1: 71-94.
• Child, C. M., 1898. The maturation and fertilization of the egg of Arenicola marina. Trans. N. Y. Acad. Sci., 16: 387-394.
• Child, C. M., 1900. The early development of Arenicola and Sternaspis. Arch. f. Entw., 9: 587-723.
• Downing, E. R., 1911. The formation of the spermatophore in Arenicola and a theory of the alternation of generations in animals. J. Morph., 22: 1001-1051.
• Newell, G. E., 1948. A contribution to our knowledge of the life history of Arenicola marina L. J. Mar. Biol. Assoc., 27: 554-580.
• Okada, K., 1941. The gametogenesis, the breeding habits, and the early development of Arenicola cristata Stimpson, a tubicolous polychaete. Sci. Rep. Tohoku Imp. Univ., ser. 4, Biol., 16: 99-146.
• Okuda, S., 1938. Notes on the spawning habit of Arenicola claparedii Levinsen. Annot. Zool. Japon., 17: 577-580.
• Lillie, F. R., 1906. Observations and experiments concerning the elementary phenomena of embryonic development in Chaetopterus. J. Exp. Zool., 3: 153-268.

Reference