=Marenzeller, F. von.= ’79. Die Aufzucht des Badeschwamms aus Theilstücken. Verh. Zool.-bot. Ges. Wien., XXXVIII, 1879. =Martinotti, C.= ’90. Über Hyperplasie und Regeneration der drüsigen Elemente in Beziehung auf ihre Functionsfähigkeit. Centralbl. f. allg. Pathol., I, 1890. =Martins, E. von.= ’66. Über ostasiatische Echinodermen. Archiv. f. Naturgesch., L, 1866. ’84. Über das Wiedererzeugungsvermögen bei Seesternen. Sitz. d. Gesell. naturf. Freunde zu Berlin, 1884. =Mayer, C.= ’59. Reproductionsvermögen und Anatomie der Naiden. Ver. Nat. Vereins, Rheinlande XVI, 1859. =Mazza, F.= ’90. Sulla ringenerazione della pinna caudale in alcuni Pesci. Atti Soc. Ligust. Sc. N., I, 1890. =Michel, A.= ’98. Recherches sur la régénération chez les Annelides. Bull. Sc. France et Belg., XXXI, 1898. =Mingazzini, P.= ’91. Sulla rigenerazione nei Tunicati. Boll. Soc. Napoli, V, 1891. =Monti, R.= ’00. Studi Sperimentali sulla Regenerazione nei Rebdoceli marini. Rendiconti d. R. Inst. Lomb. Sc. e Lett., (Ser. II.) XXXIII, 1900. ’00. La ringenerazione nelle Planarie marine. Mem. R. Inst. Lomb. Sc. Lett. Cl. Sc. Mat. Nat., XIX, 1900. =Morgan, T. H.= ’93. Experimental Studies on the Teleost Eggs. Anat. Anz., VIII, 1893. ’93. Experimental Studies on Echinoderm Eggs. _Ibid._, IX, 1893. ’95. A Study of Metamerism. Q. J. Micr. Sc., XXXVII, 1895. ’95. The Formation of the Fish Embryo. Jour. Morph., X, 1895. ’95. Half Embryos and Whole Embryos from one of the first two Blastomeres of the Frog’s Egg. Anat. Anz., X, 1895. ’95. A Study of a Variation in Cleavage. Arch. f. Entw.-mech., II, 1895. ’95. Studies of the “Partial” Larvae of Sphaerechinus. _Ibid._, II, 1895. ’95. The Fertilization of non-nucleated Fragments of Echinoderm-Eggs. _Ibid._, II, 1895. ’96. The Number of Cells in Larvae from Isolated Blastomeres of Amphioxus. _Ibid._, III, 1896. ’97. Regeneration in Allolobophora foetida. _Ibid._, V, 1897. ’97. The Development of the Frog’s Egg. New York, 1897. ’98. Developmental Mechanics. Science, N. S., VII, 1898. ’98. Experimental Studies of the Regeneration of Planaria maculata. Arch. f. Entw.-mech., VIII, 1898. ’98. Regeneration and Liability to Injury. Zool. ’99. Regeneration of Tissue composed of Parts of Two Species. Biol. Bulletin, I, 1899.’99. Regeneration in the Hydromedusa, Gonionemus vertens. The American Naturalist, XXXIII, 1899. ’99. A Confirmation of Spallanzani’s Discovery of an Earthworm regenerating a Tail in place of a Head. Anat. Anz., XV, 1899. ’99. Further Experiments on the Regeneration of Tissue composed of Parts of Two Species. Biol. Bulletin, I, 1899. ’99. Some Problems of Regeneration. Biological Lectures, Woods Holl (1898), 1899. ’00. Further Experiments on the Regeneration of the Appendages of the Hermit-Crab. Anat. Anz., XVII, 1900.