TITLES. 
Gen. Sub. 25 
464. MacBride, E. W. The position of morphology in zoological science. 
Nat. Sci. x, pp. 20-32. 
4G5. MacCallum, J. B. On the histology and histogenesis of the heart 
muscle cell. Anat. Anz. xiii, pp. 609-620, 10 figg. 
466. M c Dougall. On the structure of cross-striated muscle, and a sug- 
gestion as to the nature of its contraction. J. Anat. Physiol, norm, 
path, xi, pp. 410-441, 539-585, 6 pis. 
467. MacFaiiland, F. M. Cellulare Studien an Mollusken-Eiern. Zool. 
Jahrb. Anat. x, pp. 227-264, 5 pis. 
468. Macfarlane, J. M. Inheritance of acquired characters. Science, v, 
pp. 935-945. [Botanical.] 
469. Macloskie, O. Acquired immunity from insect stings. (Letter), 
Nature, 1 v, pp. 533 & 534. 
470. *Maisonneuve, P. Cours d’histoire naturelle. 8vo, Paris, xxiv & 
444 pp., 2 pis. & 166 figg. 
471. Marchal, P. La castration nutriciale chez les Hymenoptkres sociaux. 
C.E. Soc. Biol, iv, pp. 556 & 557. 
472. . L’dquilibre numdrique dcs espdees et ses relations avec les 
parasites chez les insectes. T. c. pp. 129 & 130. 
473. Marinesco, G. Recherches sur 1’histologie de la cellule nerveuso 
avec quclqucs considerations physiologiques. C.R. Ac. Sci. cxxiv, 
pp. 823-826. 
474. Marion, A. F. Travaux de zoologie appliqude h, 1’industrie des 
peches maritimes effectues h, la Station d’Eudoume durant les anndes 
1893, 1894, 1895. Ann. Mus. Marseille, v, pp. 1-386, 153 figg. 
475. * Marshall, W. 1m Wechscl der Tage. Monatliche Thierbelusti- 
gungon. I. Vierteljahr. 8vo, Leipzig, 139 pp. 
476. * . Dio Wandcrungcn der Thicro. Yortriigc. lift. 1. 8vo, 
Loipzig, 24 pp. 
477. * . Die deutschen Mecre und ihre Bewohner. Klcino Ausgabo. 
8vo, Leipzig, v & 394 pp., figg. 
Marti, A. [See Kronecker & Marti (417).] 
Massart, J. [See Demoor, Massart & Vandervelde (158).] 
478. Masterman, A. T. On the Diplochorda. i. The Structure of 
Actinotrocha. ii. The Structure of Cephalodiseus. Quart. J. Micr. Sci. 
xl, pp. 281-366, 9 pis. 
479. . Some effects of pelagic spawning-habit on the life-histories of 
Teleostean fishes. Nat. Sci. x, pp. 382-392. 
480. Mathews, A. The scope and present position of bio-chemistry. 
Amer. Natural, xxxi, pp. 271-277. 
481. . Internal secretions considered in relation to variation and 
development. Science, v, pp. 683-685. 
482. Maurer, F. Blutgefasse im Epithel. Morphol. Jahrb. xxv, pp. 190- 
201, 1 pi. ’ 
483*. Maxwell, Sir Herbert. Memories of the months; being pages 
from the notebook of a Field Naturalist and Antiquary, to wit, Sir 
Herbert Maxwell, Bart., M.P. 8vo, London, xii & 300 pp. 
484. Maxwell, S. S. Beitrage zur Gehirn physiologic der Anneliden. Arch, 
ges. Physiol, lxvii, pp. 263-297, 6 figg. 
1897. [VOL. XXXIV.] B 7 
