TITLES. 
Gen. Sub. 35 
591. [Marine Biological Association.] Plymouth marine invertebrate 
fauna: being notes of the local distribution of species occurring in the 
neighbourhood. Compiled from the records of the laboratory of the 
Marine Biological Association. J. Mar. biol. Ass. vii, pp. 155-298. 
592. Marinesco, G. Etudes histologiques sur le mecanisme de la senilite. 
Rev. gen. Sci. xv, pp. 1116-1129, 16 figg. 
593. [Mark, E. L. Mark Anniversary Volume. Cf. Eigbnmann (270) ; 
also the special Records.] 
Review, Nature Ixxi, pp. 169, 170. 
594. Marr, J. E. & Shipley, A. E. Handbook to the Natural History of 
Cambridgeshire. Cambridge 1904, viii+260 pp., 3 maps. 
British Association Guide-book. 
595. Mathews, A. P. The relation between the solution tension and 
physiological action of the elements. Biol. Bull, vi, pp. 312-314. 
596. Matsuoka, M. Uber Gewebsveranderungen der kiinstlich erzeugten 
Kyi^hose der Schwanzwirbelsaule des Kaninchens. Arch. Entwick- 
mech. xviii, pp. 251-260, pi. xv. 
597. Mattiesen, E. Ein Beitrag zur Embryologie der Siisswasserden- 
drocoelen. Zeitschr. wiss. Zool. Ixxvii, pp. 274-361, pis. x-xiii. 
598. Maurer, F. Das Integument eines Embryo von U?'sus arctos. Ein 
Beitrag zur Frage der Haare und Hautdriisen bei Saugetieren. 
Festschr. Haeckel [Denk. Ges. Jena xi], pp. 507-538, pi. xv. 
598a. Mayer, P. [and others]. Zoologischer Jahresbericht fiir 1903. 
Berlin, 8vo, 1904, numerous paginations. 
599. McClendon, J. F. On the anatomy and embryology of the nervous 
system of the Scorpion. Biol. Bull, viii, pp. 38-55. 
600. Meek, A. Northumberland sea fisheries Committee. Report on 
the scientific investigations for the year 1904. Newcastle, 1904, 87 pp. 
Cf. various articles in special Records. 
601. Meisenheimer, J. [Review of Halban on determination of sex, 
cf. Zool. Rec. 1903, Gen. Sub. (302).] Arch. Rassen i, pp. 757-759. 
602. . tjber die Bedeutung des Darwinischen Selektionsprinzips 
und Probleme der Artbildung. Arch. Rassen i, pp. 598-603. [Review 
of Plate, Zool. Rec. 1903, Gen. Sub. (599).] 
603. Meissner, W. Notiz iiber das Plankton des Flusses Murgab (Merv, 
Turkestan). Zool. Anz. xxvii, pp. 648-650. 
604. Meldola, R. The chemical synthesis of vital products, and the 
inter-relations between organic compounds. Vol. i. London, 1904, 
xvi + 338 pp. 
Review, Nature Ixxi, pp. 170-172. 
605. Melzer, S. J. Vitalism and mechanism in biology and medicine. 
Science xix, pp. 18-22. 
606. Merkel, F. Die Rechts- und Linkshandigkeit. Anat. Hefte. Ergebn. 
xiii, pp. 708-736. 
Summary of recent work : bibliographic list of 74 works, pp. 708-711. 
607. & Bonnet, R. Ergebnisse der Anatomic und Entwickelungs- 
geschichte. xiii, 1903. Wiesbaden, 1904, ix-i-747 pp. 
This takes the form of an account of work published. The larger part 
of Vol. xiii relates to literature of 1903. Cf. Weidenreich (926), 
Bardleben (40), QppEL (680), Kallius (452), Barfurth (42), 
WiNDLE (950), Stieda (862), Felix (282), Merkel (606). 
