132 Hydromedusae für 1913 
Nucleins (Nucleinorhexis).. Fragmentation des Nucleins: Se- 
kretionserscheinungen in Phorocyten u. über einige spezielle Alte- 
rationen des Zellsekrets. Alterationen des Nucleins. Hyalinose des 
Nucleoplasmas (Textfig. 332—34), desgl. des Paranucleins (Pyre- 
ninorhexis (Fragmentation, Vakuolisation). Fettige Degeneration 
(Schwund des Kernes in toto). Zusammenfassung. — Literatur- 
verzeichnis (p. 411—413). 
Hargitt, Chas. W. (1). Some Problems of Coelenterate Onto- 
geny. (Amer. Soc. Zool.) Science N. S., vol. 31, p. 462—463, 1910. 
— (2). The Oogenesis of Campanularian Hydroids. (Amer. 
Soc. Zool.). op. cit., vol. 37, p. 270. 
— (3). The Genera Corynitis, Gemmaria and Zanclea. Proc. 
7th intern. zool. Congr., p. 815—818, 1912. 
— (4). The Organization and Early Developement of the 
Eggs of Hydromedusae. Proc. 7th intern. zool. Congr. 1912, 
p. 510—516, 17 figg. 
Hargitt, George T. Germ cells of Coelenterates. I. Campanu- 
laria flexuosa. Journ. Morphol., vol. 24, p. 383—420, 21 figg. — 
Entstehung im Entoderm des Gonophoren-Pedicell. Keine Keim- 
zellen entstehen seitlich. Jede primitive Eizelle liefert eine einzige 
reife Eizelle. Kernveränderungen. 
Harris, G. T. The Collection and Preservation of the Hydroida. 
Journ. Quekett micr. Club (2), vol. 12, p. 143—154, 1913. 
Herdman, W. A. and Wm. Riddell (1). The Plankton on the 
West Coast of Scotland in Relation to that of the Irish Sea. — 
Part. II. 20th Rep. Lancashire Sea Fish. Lab. 1911, p. 155—174; 
Trans. Liverpool biol. Soc., vol. 26, p. 225—244. 
— (2). Idem. Part III. 21th Rep. etc. 1912 [1913], p. 168 — 
195; Trans. etc., vol. 27, p. 344—371. — Auch Hydromed. 
Herdman, W. A., Scott, Andrew and Johnstone, James. Report 
on the investigations carried on during 1912, in connection with 
the Lancashire Sea Fisheries Laboratory, at the University at 
Liverpool, and the Sea-Fish Hatchery at Piel, near Barrow. Proc. 
Trans. Biol. 'Soc., vol. 27, 1913, p- 177-494. 
Herdman, W. A., Andrew Scott and W. Mabel Lewis. An In- 
tensive Study of the Marine Plankton around the South End of 
the Isle of Man. Part IV. 21th Rep. Lancashire Sea Fish. Lab. 
1912 [1913], p. 196—232, 1 pl., 7 figg.; Trans. Liverpool biol. Soc., 
vol. 27, p. 372—408, 1 pl., 7 figg. — Auch Hydromed. 
Issel, Raffaele. Biologia neritica mediterranea. Il bentos ani- 
male delle foglie di Posidonia studiato dal punto di vista bionomico. 
Zool. Jahrb. Abt. f. System., Bd. 33, p. 379—420, 2 tav., 1 fig. — 
Auch Hydromed. 
Johnstone, James siehe Herdman, W. A. 
Jordan, H. Versuche im zoo-biologischen Unterricht. I. Die 
Nahrungsaufnahme bei niederen Tieren. Aus der Natur, 1913, 
p. 705—711. — Sub II Schlinger: Hydra, Actinia. 
