list of titles. Gen. Sub. 17 
251. Holl, M. Ueber die Reifung der Eizelle bei den Saugethieren. SB. 
Ak. Wien, cii, pp. 249-308, 3 pis. 
252. — — . Ueber Reifung der Eizelle bei den Saugethieren. Verh. Auat. 
Gres, vii, pp. 122-125. 
253. Hornell, J. Observations on certain Marine Animals. Nat. Sci. 
iii, pp. 31-34. * 
Protective device in Maia, colour assimilation among fishes, fighting 
stratagem of Palinurus , abnormalities in Lucernaria. 
254. IIoussay, F. liltudes d’embryologie sur les vert<$br6s. Arch. Zool. 
exp. i (3rd ser.), pp. 1-94, 5 pis. 
255. . The Industries of Animals. (Translation.) London : 8vo, 
ix & 258 pp., 44 figg. 
256. . La Sociability et la Morale chez les Animaux. Rev. Phil. 
xxxv, pp. 471-488. 
257. . Quelques remarques sur les lois de Involution. Bull. Sci. 
France Belgique, xxiv, pp. 130-160. 
268. Hubbard, J. W. The Yolk Nucleus in Cymaiogaster aggregatus , 
Gibbons. P. Amer. Phil. Soc. xxxiii, pp. 74-83, 2 pis. 
259. Hudson, W. H. Idle Days in Patagonia. London : 8vo, viii & 
256 pp., 27 illustrations. 
260. Hurst, 0. H. Biological Theories, hi. The Recapitulation Theory. 
Nat. Sci. ii, pp. 195-200. 
261. . Biological Theories, iv. Supposed auditory organs. T. c. 
pp. 350-353. 
262. . The Recapitulation Theory : a rejoinder. T. c. pp. 364-369. 
263. . Biological Theories, v. Suggestions as to the True Function 
of “ Tentaculocysts,” “ Otocysts,” and “ Auditory Sacs.” T. c. 
pp. 421-427. 
264. Huxley, Th. Evolution and Ethics. The Romanes’ Lecture for 
1893. London : 8vo, 57 pp. 
Review, Nat. Sci. iii, pp. 62-66. 
265. Huxley, T. H. Methods and Results. London : 8vo, viii & 
430 pp. 
Collected publication of essays includes Physical Bases of Life, 
Animal Automatism, &c. 
266. . Methods and Results : Darwiniana. London : 8vo, 475 pp. 
267. Hyatt, A. Bioplastology and the related branches of biologic 
research. P. Boston Soc. xxvi, 1893, pp. 59-124. 
268. . Bemerkungen zu Schulze’s System einer deskriptiven 
Terminologie. Biol. Centralbl. xiii, pp. 504-511. 
269. . Phylogeny of an acquired characteristic, Amer, Natural, 
xxvii, pp. 865-877, 1 pi., 8 figg, 
