TITLES. 
Gen. Sub. 31 
4G1. Montgomery, T. H. On successive, protandric, and proterogynic 
hermaphroditism in animals. Amer. Natural, xxix, pp. 528-536. 
462. . The derivation of the freshwater and land Nemerteaus, and 
allied questions. J. Morpliol. xi, pp. 479-484. 
463. Monti, R. Sur les granulations du protoplasma de qiielques Cilics. 
Arch. ital. Biol, xxiv, pp. 216-220. 
464. . Sulle granulazioni del protoplasma di alcuni Ciliati. Boll. 
Scient. xvii, pp. 16-24. 
465. Moore, J. E. S. On the structural changes in the reproductive 
cells during the spermatogenesis of Elasmobranchs. Quart. J. Micr. 
Sci. xxxviii, pp. 275-313, 4 pis. 1 
466. . On spermatogenesis in birds. Rep. Brit. Ass. 65th Meeting, 
pp. 735 & 736. 
467. -. On the essential similarity of the process of chromosome 
reduction in animals and plants. Ann. Bot. ix, pp. 431-439. 
468. . On the protoplastid body and the metaplastid cell. Sci. 
Progress, iii, pp. 323-334. 
. [See also Farmer & Moore (187).] 
469. Morgan, C. Lloyd. The old and new naturalists. Nature, liii, 
pp. 9-11. 
470. . Definitions of instinct; op. cit. Iii, p. 389. Instinct impulse ; 
of. Marshall, H. R., t. c. pp. 130 & 131. 
471. Some definitions of instinct. Nat. Sci. vi, pp. 321-329. 
472. Morgan, T. H. A study of Metamerism. Quart. J. Micr. Sci. 
xxxvii, pp. 395-476, 4 pis. 
473. . The formation of the fish embryo. J. Morphol. x, pp. 419- 
472, 3 pis. 
474. . Half-embryos and whole embryos from one of the first two 
blastomeres of the frog’s egg. Anat. Anz. x, pp. 623-628. 
475. . The formation of one embryo from two Blastulae. Arch. 
Entwickmech. ii, pp. 65-71, 1 pi. 
476. . A study of a variation in cleavage. T. a. pp. 72-80, 1 pi. 
477. . Studies of the “ Partial ” Larvm of Splicer echinus. T. c. 
pp. 81-126, 1 pi. 
478. . Experimental studies of the Blastula- and Gastrula- stages of 
Echinus. T. c. pp. 257-267, 10 figg. 
479. . The fertilisation of non-nucleated fragments of Echinoderm 
eggs. T. c. pp. 268-280, 1 pi. 
. [See also Driesoii & Morgan (159).] 
