TITLES. 
Gen. Sub. 31 
Lucas, R. [See Hilgendorf (329a).] 
471. Luhe, M. Die Coccidien-Litcratur der letzton vier Jahre. Zusam- 
menfassende Besprechung. Zool. Zentrlbl. x, pp. 617-661. 
472. Lull, R. S. Adaptations to aquatic, arboreal, fossorial and cursorial 
habits in Mammals, iv. Cursorial adaptations. Amer. Natural, 
xxxviii, pp. 1-12. 
Cf. Osburn (559), Dublin (209), Shimer (695), for the other sections. 
473. *Lungo, C. del. Goethe ed Helmholtz.... Torino, 1903, 163 pp. 
474. Lutz, F. E. Note on the influence of change in sex on the intensity 
of heredity. Biometrika ii, pp. 237-240. 
475. Lyon, E. P. Experiments in artificial parthenogenesis. Amer. J. 
Physiol, ix, pp. 308-318. 
476. *MAas, 0. Einfiihrung in die experimentelle Entwickelungsgeschichte 
(Entwickelungsmechanik). Wiesbaden, 1903, 204 pp., 135 illustt. 
Review by W. Roux, Arch. Entwickmech. xvii, pp. 155-164. 
477. * . Streitfragen der Tiergeographie. Geogr. Zeitschr. viii, pp. 121- 
140. 
Abstract, Zool. Zentrlbl. xi, p. 178. 
478. MacCormac, J. M. Heredity in its relation to the nervous system. 
(Abstract.) Rep. Belfast Soc. 1902-3, pp. 41-46. 
479. MacGillivray, W. Professor MacGillivray of Aberdeen. Scottish 
Art and Letters, Sept. 1903, pp. 349-371. 
480. . A memorial tribute to William MacGillivray, M.A., LL.D. 
Ornithologist; Professor of Natural History, Marischal College and 
University, Aberdeen. Edinburgh, 1901, 8vo, xvi-f 203 pp. (privately 
printed). 
481. MalArd, A. E. Los mdthodes statistiques appliqudes h l’dtude des 
animaux marins. Bull. Mus. Paris ix, pp. 267-270. 
482. Mandoul, H. Influence des radiations monochromatiques sur les 
colorations t^gumentaires. C.R. Ass. Franc, xxxi (1), p. 231. 
483. . Recherches sur les colorations tegumentaires. Ann. Sci. nat. 
xviii, pp. 225-468, pis. iii, iv. 
483 A. March al, P. Le cycle ^volutif du Polygnotus minutus (Lindm.). 
Bull. Soc. ent. France 1902, pp. 90-92. 
484. Marey, C. Fonctions et organes. (Conference.) Rev. Scient. (4) 
xix, pp. 33-39. 
485. Marshall, F. H. A. The oestrous cycle and the formation of the 
corpus luteum in the sheep. Phil. Trans. 196 b, pp. 47-97, pis. vii-x. 
486. Marsson, M. Die Fauna und Flora der verschmutzten Wassers und 
ihre Beziehung zur biologischer Wasseranalyse. Forschber. Plon x, 
pp. 60-73. 
487. Martini, E. Uber Furchung und Gastrulation bei Cucullanus 
elegans Zed. Zeitschr. wiss. Zool. lxxiv, pp. 501-556, pis. xxvi-xxviii. 
Abstract by Bergh, Zool. Zentrlbl. x, pp. 904-906. 
488. Mattiesen, E. Die Eireifung und Befruchtung der Siisswasser- 
dendrocoelen. Zool. Anz. xxvii, pp. 34-39. 
489. . Die Embryonalentwicklung der Susswasserdendrocoelen. T. c. 
pp. 81-87. 
Abstract, Zool. Zentrlbl. xi, p. 276. 
