vi CONTENTS [ VOLUME XXXI 
Observations upon the feeding SRT of Fuligo pees 
septica (with one figure), —- - John W. Harshberger 198 
Swarm-spore formation in Hydrodictyon utriculatum 
Roth, - - - - - * = - - H.G. Timberlake 203 
Walnut bacteriosis, - - - = - - - Newton B. Pierce 272 
Fern variation in Great Britain, - - - - Charles T. Druery 347 
Notes of travel. IV, - - - - - David G. Fairchild 352 
Notes of travel. VI. - - - - - - D. G. Fairchild 423 
The cardinal principles of morphology’ - - - W. F. Ganong 426 
CURRENT LITERATURE — - . - - 67, 129, 204, 274, 355, 435 
For titles see index under author’s name and Re- 
. Papers noticed in “ Notes for Students” are 
ae under author’s name and subjects 
Wa a ee ee ee yo eee eee oe ee 
DATES OF PUBLICATION, 
No. 1, January 21; No. 2, February 23; No. 3, March 16; No. 4, April 15; No. 
5, May 18; No. 6, June 20 

ERRATA. 
P. 2, line 2 from above, for N. S. Plank read E. N. Plank. 
P. 5, line 7 from above, for W. N. Canby read W. M. Canby. 
P. 10, line 10 from above, p. 11, lines 17 and 21 from above, for Brainard read 
Brainerd. 
P. 14, line 13 from below, for nearly read rarely. 
P. 132, line 9 from above, for Schuman read Schumann. 
P. 203, footnote 4, line 5, for Mazijck read Mazyck. 
ve P. 225, line 1, for Crategus Texana read CRATAEGUS TEXANA. 
Pi274, footnote I, line 1, for plant read vegetable. 
P. 328, line 16 from above, for G. read Galphimia. 
P. 328, line 9 from below, for S. read Solanum. 
P. 329, line 6 from above, for Aecidium read aecidium. 
P. 333, line 5 from above, for V. read Viguiera. 
P. 343, footnote 3, line 2, for 1888 read 1898. 
P. 356, line 8, dele American. 
UP; 356, line § from sami ae ene heterospory in 
est 356, line A 1 from b: 




