TITLES. 
Gen. Sub. 23 
329a. Hilgendorf [and others], Bericht iiber die wissenschaftliche 
Leistungen im Gebiete der... Berlin 1903, 8vo. 
lxvi, ii, 2, Insecta , Myriopoda, Arachnida , and Protracheata for 1899, 
by R. Lucas & B. Wandolleck. lxviii, n, 1, Entoraologie, Allge- 
meines and Coleoptera for 1901 by G. Seidlitz. 
330. Hill, A. Can dogs reason ? Nature lxvii, pp. 558, 559 ; and 
lxviii, p. 7. 
Cf. Ramsay, op. cit. lxvii, p. 609. 
331. Hirschler, J. Studien iiber Regenerationsvorgange bei Lepidopteren- 
Puppen. Anat. Anz. xxiii, pp. 612-627. 
Abstract by Grafinn von Linden, Zool. Zentrlbl. x, pp. 912-914. 
332. His, W. Die Zeit in der Entwickelung der Organismen. Verh. Ges. 
Basel xvi, pp. 210-228. 
333. Hjort, J. Report on Norwegian Fishery and marine investigations. 
Vol. I edited by Johan Hjort. Kristiania 1900, 8vo. 
This Vol. is the first of a series; it contains eight separately paged 
memoirs. 
334. H. L. L’individualit^ dans le rkgne organique. Rev. Quest. Sci. (3) 
iv, pp. 378-439. 
335. Hochstetter, — . Die Entwickelung des Blutgefasssy stems. [in] 
Hertwig Handb. Entwick. Wirbeltiere iii, 2, pp. 21-166 
336. Holliday, Margaret. A study of some ergatogynic ants. Zool. 
Jahrb. Syst. xix, pp. 293-328, 16 text-figg. \Hymenoptera^\ 
337. Holmes, Gordon M. On the comparative anatomy of the nervus 
acusticus. Tr. Irish Ac. xxxii, pp. 101-144. 
338. Holmes, S. J. Death-feigning in terrestrial Amphipods. Biol. Bull, 
iv, pp. 191-196. 
339. . Phototaxis in Volvox. T. c. pp. 319-326. 
340. . Sex recognition among Amphipods. Op. cit. pp. 288-296. 
341. Holmgren, E. Weiteres iiber die Trophospongien verschiedener 
Driizenzellen. Anat. Anz. xxiii, pp. 289-297. 
342. Holmgren, N. BemerkungenzurSchepotieflfschenAbhandlung: Unter- 
suchungen Uber den feineren Bau der Borsten einiger Chatopoden und 
Brachiopodeh. Op. cit. xxiv, pp. 205-208. 
Relates to Schepotieff (661). 
343. . Ueber vivipare Insecten. Zool. Jahrb. Syst. xix, pp. 431-468, 
10 text-figg. 
344. Houssay, F. Le dimorphisme sexuel organique chez les Gallinaces 
et sa variation avec le regime alimentaire. C.R. Ac. Sci. cxxxvi, 
pp. 112-114. 
345. . Sur la ponte, la fecondit^ et la sexuality chez des poules 
carnivores. Op. cit. cxxxvii, pp. 934-936. 
346. Howard, H. E. On sexual selection and the aesthetic sense in birds. 
i Zoologist (4) vii, pp. 407-417. 
347. Hoyle, W. E. The use of Museums in teaching. Notes Manchest. 
Mus., No. 13, 8 pp. 
348. Hubrecht, A. A. W. Emil Selenka Ein Lebensbild. [in] Stud. 
Entwickges. Tiero, Heft, x, pp. 1-11, portrait. 
