24 Gen. Sub. 
I. GENERAL SUBJECTS. 
407. *[Maas, 0.] Experimentelle Untersuchungen iiber die Eifurchung. 
SB. Ges. Munchen 1901, pp. 1-20, 18 iigg. 
MacBride, E. W. [See Shipley & MacBride (615).] 
408. McClung, C. E. Notes on the accessory Chromosome. Anat. Anz. 
xx, pp. 220-226. 
409. -. The spermatocyte divisions of the Acrididce. Kansas quart. 
ix (1900), pp. 73-100, 3 pis. 
410. MTntosh, W. C. The coloration of marine animals. Ann. Nat. 
Hist, vii, pp. 221-240. 
411. -. Obituary notice of Sir William H. Flower (1831-1899). 
Yearb. R. Soc. London 1901, pp. 205-222. 
412. McKendrick, J. G. Presidential Address. Section i, Brit. Ass. 
Rep. Brit. Ass. lxxi (1901), pp. 808-816 ; Science xiv, pp. 517-522 ; 
Nature lxiv, pp 545-547. 
413. -. La matikre vivante. Rev. Sc-ient. xvi, pp. 609-612. 
414. *Magini, G. Sopra una nuova sostanza nucleare delle cellule nervose. 
Montepulciano, 16 pp. 
415. *-. Sui cambiamenti microchemici degli spermatozoi nella fecon- 
dazione. Montepulciano, 20 pp. 
416. Maillard, L. Sur l’autoregulation des pressions osmotiques de 
l’organisme par la dissociation electrolytique. Interpretation du role 
biologique des sels mineraux. C.R. Soc. Biol, liii, pp. 880 & 881. 
417. *Major, C. I. F. On the evidence of the transference of secondary 
sexual characters of mammals from males to females. Geol. Mag. 
viii, pp. 241-245. 
418. Malaquin, A. Le parasitisme evolutif des Monstrillides (Crustaces 
copepodes). Arch. zool. Exp. ix, pp. 81-232, 7 pis. 
Ontogenetic reversion. The factors in the remarkable process. 
419. Marin, F. Sur l’origine des espec&s. Rev. Scient. xvi, pp. 577-588. 
420. Marshall, F. H. A. Preliminary communication on the oestrous 
cycle and the formation of the corpus luteum in the sheep. P. R. 
Soc. London lxviii, pp. 135-140. 
421. Marshall, G. A. K. Some experiments in seasonal dimorphism. 
Ann. Nat. Hist, viii, pp. 398-403. 
422. ^Marshall, W. Gesellige Tliiere. No. 2. Die Arbeitstheilung, 
ihr Wesen und ihr Wirken. 8vo, Leipzig, 27 pp. 
-. [See also Houssay, F. (309).] 
423. *Martens, E. von. Ueber die Abgrenziuig zoogeographischer 
Reiche. Nat. Wochenschr. xvii, pp. 97-109, 117 & 118. 
424. Martin, C. J. Thermal adjustment and respiratory exchange in 
monotremes and marsupials. A study in the development of homo- 
thermism. P. R. Soc. London lxviii, pp. 352 & 353. 
425. Martin, R. Le Baron E. de Selys-Longchamps (1813-1900). Bull. 
Soc. zool. France xxvi, pp. 28 & 29. 
426. Massart, J. Recherches sur les organismes inferieurs. Bull. Ac. 
Belgique 1901, pp. 91-106. 
Discharge of trichocysts and other responses to stimuli. 
