CONTENTS. 
PAGE 
Arthur, J. C.— The Movement of Protoplasm in Coenocytic Hyphae. 
(With Woodcuts 8, 9, 10, n) 491 
Townsend, C. O. — The Correlation of Growth under the Influence 
of Injuries 509 
Farmer, J. B.— On the Structure of a Hybrid Fern. (With Plates 
XXIII and XXIV) 533 
Williams, J. L. — The Antherozoids of Dictyota and Taonia. (With 
Plate XXV) 545 
Green, J. R. — The supposed Alcoholic Enzyme in Yeast . . -555 
Vines, S. H. — The Proteolytic Enzyme of Nepenthes . . . 563 
NOTES. 
Ewart, A. J. — The Effects of Tropical Insolation .... 
Dixon, H. H. — The Tensile Strength of Cell-walls .... 
,, The Structure of Codium. (With Woodcut 12) 
Scott, D. H. — On Spencerites, a new Genus of Lycopodiaceous Cones 
from the Coal-measures 
CONTENTS AND INDEX . . . 
Thiselton-Dyer, W. T.— Biographical Sketch of M. J. Berkeley. 
(With Portrait) ix 
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