TITLES. 
Gen. Sub. 35 
•651. Stiucht, 0. Van der. Contribution a, l’etude de la forme, do la 
structure et de la division du noyau. Arch. Biol, xiv, pp. 243-260, 
1 pi. 
652. . La maturation et la fecondation de l’oeuf RAmphioxus 
lanceolatus. T. c. pp. 469-495, 2 pis. 
• 653. ° . Le premier amphiaster de rebut de 1’ovule de Thysanozoon 
broccliL Une figure mitosique peut-elle retrograder ? Bibliog. Anat. 
1896, No. 1, pp. 27-30. 
• 654. ° . Anomalies de la formation de l’amphiaster de rebut. T. c. 
pp. 31-34, 4 figg. 
655. °Strodtmann, S. Plankton-Untersuchungen in Holsteinischen und 
Mecklenburgischen Seen. Mt. Forsch. Ber. Stat. Plou (1896), 
pp. 272-287. 
■656. Studnicica, F. K. Beitrage zur Auatomie und Entwickelungs- 
geschichte des Vorderhirns dor Cranioten. SB. Bohmisch. Ges. 
1896 (xv) 32 pp., 4 pis., 7 figg. 
657. Supino, F. Considerazioni sulla teratogenia sperimentale. Bull. 
Soc. Veneto-Trent. vi, pp. 43-48. 
■658. Swaen, A. Recherches sur le developpemeut du foie, du tube 
digestif, de l’arriere cavite du peritoine et du mesentere. J. Anat. 
Physiol, xxxii, pp. 1-84, 3 pis. 
■659. Swiniioe, C. On mimicry in butterflies of the genus Hypolimnas. 
J. Linn. Soc. xxv, pp. 339-348, 3 pis. 
Strong case for selection ; theory of mimicry. 
^660. Thayer, A. H. The law which underlies protective coloration. 
Auk, xiii, pp. 124-129, 1 fig., 5 pis.; see also pp. 318-320, 1 fig. 
Thierfelder, H. [See Nuttall & Thierfelder (504).] 
•661. Tiiiselton-Dyer, W. T. The utility of specific characters. 
[Letter] Nature, liv, pp. 293, 294, 435, 436, & 522. 
•662. ^Thompson, E. E. Studies in the art anatomy of animals. 
Analysis of the forms of mammals and birds for sculptors, taxi- 
dermists, &c. London : folio, 108 pp., 100 drawings. 
663. Thompson, H. Ou certain changes observed in the dimensions 
of the carapace of Carcinus mcetias. P. R. Soc. Loudon, lx, 
pp. 195-198. 
Variation. 
■664. . Measurements of Crabs. Nature, lv, p. 30. 
665. Thomson, J. Arthur. The natural history of the year. London : 
8vo, 288 pp. 
■666. . The endeavour after well-being. Nat. Sci. viii, pp. 21-26. 
Struggle for existence. 
■ . [See also Breiim (86).] 
Thomson, Margaret R. [See Breiim (86).] 
•667. Tornier, G. Ueber Hyperdaktylie, Regeneration und Vererbung, 
mit Experimenten. Absclm. (3) Bahnen der Anpassung und Verer- 
bung im hochdifTerenzirten Organismus. Vererbungsgesetz. (4) Das 
phylogeuetische Entstehen der regenerativen Kraft. (5) Wo liegen 
die activen Regenerativkriifte des Individiums wiihrend der Indi- 
vidualentwickelung. (6) Etwas fiber embryonale Variation. Arch. 
Entwickmech. iii, pp. 469-476, and iv, pp. 180-210. 
