I 
Contents . 
v 
Digby, L.—The Somatic, Premeiotic, and Meiotic Nuclear Divisions of Galtonia candicans. 
With Plates LIX-LXIII. 
Pearson, H. H. W.—On the Embryo of Welwitschia. With Plate LXIV and two Figures in 
the Text ............... 
Jeffrey, E. C.—On the Affinities of the Genus Yezonia. With Plate LXV . . . . 
Kemp, H. P. —On the Question of the Occurrence of 1 Heterotypical Reduction ’ in Somatic 
Cells. With Plates LXVI and LXVII .. 
Irving, A. A.—The Beginning of Protosynthesis and the Development of Chlorophyll. With 
ten Figures in the Text ............ 
NOTES. 
Scott, D. H.—Sporangia attributed to Botryopteris antiqua, Kidston. With a Figure in the 
Text 
A v A C •»••••• •«••••• « 
Gordon, W. T.—Note on the Prothallus of Lepidodendron Veltheimianum. With two 
Figures in the Text ............. 
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