Parchment Worm

References

• Goldstein, L., 1953. A study of the mechanism of activation and nuclear breakdown in the Chaetopterus egg. Biol. Bull., 105: 87-102.
• Henley, C., And D. P. Costell, 1957. The effects of x-irradiation on the fertilized eggs of the annelid, Chaetopterus. Biol. Bull., 112: 184-195.
• Lillie, F. R., 1902. Differentiation without cleavage in the egg of the annelid Chaetopterus pergamentaceus. Arch. f. Entw., 14: 477-499.
• Pasteels, J., 1935. Recherches sur le determinisme de ['entree en maturation de l'oeuf chez divers Invertebres marine. Arch. Biol., 46: 229-262.
• Pasteels, J., 1950. Mouvements localises et rythmiques de la membrane de fécondation chez des oeufs fécondés ou activés (Chaetopterus, Mactra, Nereis). Arch. Biol., 61: 197-220.
• Titlebaum, A., 1928. Artificial production of Janus embryos of Chaetopterus. Proc. Nat. Acad. Sci., 14: 245-247.
• Tyler, A., 1930. Experimental production of double embryos in annelids and mollusks. J. Exp. Zool., 57: 347-407.
• Whitaker D. M., 1933. On the rate of oxygen consumption by fertilized and unfertilized eggs. Iv. Chaetopterus and Arbacia punctulata. J. Gen. Physiol., 16: 4/5-495.
• Wilson, E. B., 1882. Observations on the early developmental stages of some polychaetous Annelides. Stud. Biol. Lab., Johns Hopkins Univ., 2: 271-299.
• Wilson, E. B., 1929. The development of egg-fragments in annelids. Arch. f. Entw., 117: 179-210.