Ultrastructure of dormant and germinated sporangiospores ofRhizopus arrhizus W. M. HessD. J. Weber OriginalPaper Pages: 15 - 33
A light and electron microscopic study of sporulation in the myxomyceteStemonitis virginiensis Charles W. Mims OriginalPaper Pages: 35 - 54
Fine structure of the chloroplast membranes ofEuglena gracilis as revealed by freeze-cleaving and deep-etching techniques Kenneth R. MillerL. Andrew Staehelin OriginalPaper Pages: 55 - 78
The activity of the nucleolus organising region and the origin of cytoplasmic nucleoloids in meiocytes ofLilium Elizabeth WilliamsJ. Heslop-HarrisonH. G. Dickinson OriginalPaper Pages: 79 - 93
Observations on penetration of Barley leaves by the aphidRhopalosiphum maidis (Fitch) Ray F. EvertWalter EschrichSteven T. Limbach OriginalPaper Pages: 95 - 110
Rapid watet uptake and structural changes in imbibing seed tissues M. S. Buttrose OriginalPaper Pages: 111 - 122
Sauerstoffversorgung und SH-Gruppen-Gifte in ihrer Wirkung auf die Neutralrotfärbung der Oberepidermiszelle vonAllium cepa Helge RöscherBernhard RoschelArnold Wartenberg OriginalPaper Pages: 123 - 136
On the magnesium content in sea urchin eggs and its changes accompanying fertilization Reiji HoriTieko Yoshida OriginalPaper Pages: 137 - 140
A structural comparison of cyst and germ tube wall inPhytophthora palmivora Hans HegnauerHans R. Hohl OriginalPaper Pages: 151 - 163