TITLES. 
Gen. Sub. 23 
360. [Hacker, V.] Uber die neueren Ergebnisse der Bastardlehre und ihre 
Bedeutung fiir die praktische Tierzucht. Arch. Rassen i, pp. 321-338. 
Abstract by Fick, Zool. Zentrlbl. 1904, p. 779. 
361. . Uber die in malignen Neubildungen auftretenden hetero- 
typischen Teilungsbilder. Einige Bemerkungen zur Atiologie der 
Geschwulste. Biol. Centrbl. xxiv, pp. 786-797. 
362. Haeckel, E. Die Lebenswunder. Gemeinverstandliche Studien 
iiber biologische Philosophie. Erganzungsband zu dem Buche uber 
die Weltriithsel. Stuttgart, 1904, 8vo, xii + 567 pp 
Notice, Anat. Anz. xxv, p. 607. 
363. [Haeckel, E. Festschrift zum siebzigsten Geburtstage von Ernst 
Haeckel herausgegeben von seinen Schiilern und Freunden. Jena, 
1904. Forms Vol. xi of Denk. Ges. Jena.] 
[Haeckel, Ernst. See Loisel, G. (556).] 
364. Hall, R. W. The development of the mesonephros and the Mul- 
lerian ducts in Amp/ubia. Bull. Mus. Harvard xlv, pp. 29-126, 
viii pis. 
365. Haller, B. Uber den allgemeinon Bauplan dcs Tracheaten Syncere- 
brums. Arch. mikr. Anat. lxv, pp. 181-279, pis. xii-xvii. 
366. * . Lehrbuch dor vergleichonden Anatomie. Jena, 1904, viii 
+ 914 pp. 
Review, Nature lxx, p. 621. 
Halliburton, W. D. [See Mott & others (662).] 
367. Hamann, O. Literatur 1903, 1904 [Anatomical]. Anat. Anz. xxiv, 
suppl. pp. 1-96, and xxv, pp. 1-128. 
368. ^Hamburger, Franz. Arteigenheit und Assimilation. Leipzig und 
Wien, 1903, 73 S. 
Review by Emil Abderhalden, Arch. Rassen i, pp. 607-609. 
369. Hamy, E. T. Le commerce des animaux exotiques h Marseille k la 
fin du xvi e sikcle. Bull. Mus. Paris ix, pp. 316-318. 
370. Hargitt, C. W. The early development of Pennaria tiarella McCr. 
Arch. Entwickmech. xviii, pp. 453-488, pis. xxiv-xxviii. 
371. . Regeneration in Rhizostoma pulmo. J. exp. Zool. i, pp. 73-94. 
372. . Regeneration in Scypkomedusce. Amer. Natural, xxxviii, 
pp. 517-519. 
373. . Some unsolved problems of organic adaptation. Science xix, 
pp. 132-145. 
374. . Some unsolved problems of organic adaptation. [Abridgment 
of address at Amer. Ass.] Nature lxix, pp. 404, 405. 
375. Harmer, S. F. Museums Association Address by the President. 
Museums J. iv, pp. 3-22. 
376. Harper, E. H. Notes on regulation in Stylaria lacustris. Biol. 
Bull. pp. 173-190. 
377. — — . The fertilization and early development of the Pigeon’s Egg. 
Amer. J. Anat. iii, pp. 349- 386, 4 pis., 6 diagrams. 
378. Harris, D. F. Affectability and functional inertia as the two pro- 
perties of protoplasm. P. Scott. Micr. Soc. iv, pp. 1 8-28. 
