TITLES. 
Prot. 15 
150. Hertwig, R. Ueber Korrelation von Zell- und Kerngrosse und ihre 
Bedeutung fiir die geschlechtliche Differenzierung und die theilung 
der Zelle. Biol. Centrbl. xxiii, pp. 49-62, 108-119. 
Abstract in Zool. Zentrlbl. x, pp. 370 & 371. 
151. . Ueber das Wechselverhaltnis von Kern und Protoplasma. 
SB. Ges. Munchen xviii, pp. 77-100. 
152. * . A manual of Zoology. (Translated and edited by J. S. 
Kingsley from the 5th German Ed.) New York (Holt & Co.), 1902, 
pp. xii + 704, 672 text-figg. 
Review in Amer. Natural, xxxvii, p. 630. 
[ . Zool. Rec. 1902 (155).] Abstract in Zool. Zentrlbl. x, p. 370. 
153. Hesse, E. Sur une nouvelle Microsporidie t^trasporee du genre 
Gurley a. C.R. Soc. Biol, lv, pp. 495 & 496. 
Abstract in Bull. Inst. Pasteur i, p. 402. 
154. . Sur la presence de Microsporidies du genre Tkelohania chez 
les Insectes. C.R. Ac. Sci. cxxxvii, pp. 418 & 419. 
Abstract in Bull. Inst. Pasteur i, p. 723. 
155. Hickson, S. J. The Infusoria or Corticata Heterokaryota. Section L, 
in Lankester’s Treatise on Zoology, pt. i, ii, pp. 361-426, 97 text-figg. 
Reviews in Rev. Scient. (4) xx, pp. 470 & 471, Nature lxviii, p. 618, 
and Irish Natural, xii, pp. 242 & 243. 
Hjort, J. [See Gran, H. H. & Hjort, J. (132).] 
156. *Hofer, B. Ueber die Drehkrankheit der Regenbogenforelle. Allg. 
Fischerei Zeitung xxiii, pp. 7 & 8. 
Abstract in Bull. Inst. Pasteur i, p. 369. 
Holland, R. [See Newton & Holland (280).] 
157. Hollis, F. S. Two growths of Clilantydomonas in Connecticut. 
Tr. Amer. micr. Soc. xxiv, pp. 13-16. 
158. Holmes, M. W. Foraminifera from the Gault at Merstham. 
P. Croydon Club 1903, pp. 34-40. 
159. Holmes, S. J. Phototaxis in Volvox. Biol. Bull, iv, pp. 319-326. 
Abstracts in Zool. Zentrlbl. x, pp. 592 & 593, and in J. R. Micr. Soc. 
1903, p. 730. 
160. Honda, T. Zur parasitaren Atiologie des Carcinoms. Arch. path. 
Anat. clxxiv, pp. 96-130, pi. 3. 
Abstract in Bull. Inst. Pasteur i, p. 785. 
161. *Hutcheon, D. Virulent Red-water in the Transvaal. Agric. 
Journ. Cape of Good Hope xxiii, pp. 39-60. 
162. Immermann, F. Ueber Fremdkorperskelette bei Aulacanthiden. 
Zool. Anz. xxvii, pp. 70-76, 6 text-figg. 
163. Israel, 0 Zur Atiologie und Biologie der Geschwiilste. i. Ueber 
Parasitismus in den Geschwiilsten. Arch. path. Anat. clxxii, pp. 261- 
270. 
164. Issel, R. Ancistridi del Golfo di Napoli. Studio monographico 
sopra una nuova famiglia di cigliati, commensali di molluschi marini. 
Mt. Stat. Neapel xvi, pp. 63-108, pis. 4-6. 
Abstract (of technique) in Zeitschr. wiss. Mikr. xx, pp. 199 & 200. 
