310 Trow . — Observations on the Biology and 
In the germination of the oospore, the reserve globule 
(probably consisting of proteids and fats or oils) and the 
inner wall of the spore are decomposed and absorbed, the 
nucleus undergoes division, and a conidium-like condition is 
acquired. 
University College, Cardiff, 
January , 1901. 
Literature. 
The following list includes the most important papers relating to the subject of 
this communication which have appeared in recent years. Very complete biblio- 
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Berlese, A. N., ’97 : Ueber die Befruchtung und Entwickelung der Oosphare bei 
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De Bary, ’81 : Zur Kenntniss der Peronosporeen. Bot. Zeit., Jahrgang 39, 
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land, 2. Aufl., Bd. i, Abt. iv. 
Goebel, K., ’00 : Organography of Plants, Part 1, Oxford, 1900. 
Harper, Robert A., ’00 : Sexual Reproduction in Pyronema conjluens and 
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Hartog, M. M., ’95 : On the Cytology of the Vegetative and Reproductive 
Organs of the Saprolegnieae. Trans. Roy. Irish Acad., vol. xxx, Part 
17 • 
Humphrey, J. E., ’92 : The Saprolegniaceae of the United States. Read before 
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Istvanffi, Gy. von, ’95 : Ueber die Rolle der Zellkerne bei der Entwickelung 
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Klebs, G., ’96 : Die Bedingungen der Fortpflanzung bei einigen Algen und Pilzen. 
Jena, 1896. 
