TITLES. 
Gen. Sub. 33 
531. Maclauchlan, J. Museum and Art Insurance. Museums J. i, 
pp. 345-357. 
MacMunn, C. A. [See Poulton & MacMunn (650).] 
532. Maggi, L. La tachigenesi e gli studi universitari. Rend. 1st. Lom¬ 
bardo xxxv, pp. 823-834. 
533. Magnus, R. Die Bedeutung des Ganglions bei Ciona intestinalis. 
Mt. Stat. Neapel xv, pp. 483-486. 
534. Malard, A. E. Des variations mensuelles de la faune et de la flore 
maritimes de la baie de la Hougue (Novembre et Decembre). Bull. 
Mus. Paris 1902, pp. 30-35, 190-197. 
535. Malengreau, F. Sur les nucleines du Thymus. Seconde communi¬ 
cation. Cellule xix, pp. 285-309. 
536. Mall, F. P. On the development of the connective tissues from the 
connective tissue syncytium. Amer. J. Anat. i, pp. 329-365. 
537. Mandoul, H. Sur la cause des colorations changeantes des tegu¬ 
ments. C.R. Ac. Sci. cxxxv, pp. 65, 66. 
538. Mares, F. Das Energieprinzip und die energetische Betrachtungs- 
weise in der Physiologie. Biol. Centrbl. xxii, pp. 282-288, 310-319. 
539. *Mariano, F. & Figari, F. Nota preventiva sul trapianto degli 
organi. Boll. Acc. med. Genova xvii, pp. 131-134 [ex Zool. Anz. Bibl. 
1903, p. 72]. 
540. Marsh, C. D. The plankton of freshwater Lakes. Tr. Wisconsin 
Ac. xiii, 1901, pp. 163-187. 
541. Marshall, F. H. A. On variation in the number and arrangement 
of the male genital apertures in the Norway lobster ( Nephrops norve- 
gicus ). P. Zool. Soc. London 1902, i, pp. 2-12. 
542. *Martens, E. v. Ueber die Abgrenzung zoogeographischer Reiche. 
Jena, Naturw. Wochenschr. 1901, 14 pp. 
543. Martin, C. J. Thermal adjustment and respiratory exchange in 
Monotremes and Marsupials. A study in the development of Homoe- 
thermism. Phil. Trans, cxcv, pp. 1-38. 
544. Martinotti, C. Sur un noyau de cellules cerebrales semblables aux 
granules du cervelet. Anat. Anz. xxii, pp. 33-39. 
545. Marucci, V. Ricerche sperimentali sui maschi polimorfi di alcune 
forme di Acari “cryptostigmata.” Boll. Soc. zool. Ital. xi, pp. 69-78, 
pis. i, ii. 
546. Mass art, J. Yersuch einer Einteilung der nicht-nervosen Reflexe. 
Biol. Centrbl. xxii, pp. 9-23, 41-52, 65-79. 
547. Masterman, A. T. Elementary Text-book of Zoology. London, 
12mo, 1901, xiv + 602 pp., 364 illustr. 
548. -. Review of Mr Iwagi Ikeda’s observations on the development, 
structure and metamorphosis of Actinotrocha. Quart. J. Micr. Sci. xlv, 
pp. 485-492. 
Cf. Ikeda (389). 
549. Matruchot, L. Application d’un caractkre d’ordre ethologique a la 
classification naturelle. C.R. Ac. Sci. cxxxv, pp. 988-991. 
550. May, W. Die neueren Forschungen iiber die Bildung der Korallen- 
riffe. Zusammenfassende Ubersicht. Zool. Centrlbl. 1902, pp. 229-245. 
