VOLUME Lx1] . CONTENTS vii 
DATES OF PUBLICATION 
No. 1, July 15; No. 2, August 15; No. 3, September 15; No. 4, October 17; 
No. 5, November 16; No. 6, December 16. 
ERRATA 
Vor. LXI 
P. 490, last line, for very intruding read very few intruding 
P. 495, line 14 from top, for longa read longae; for diaphanis read Big mare 
P. 508, line 13 from top, for plates read plats 
P. 511, line. 17 from top, for 95 per cent of alcohol read 95 per cent socket 
P. 514, graph legend, for precipitation from read precipitation, in inches, from 
Vor. LXII 
P. 8, second column of table II, for Arizona read Colorado ~ 
P, 20, line 6 from bottom, for Arizona read Colorado 
P. 53, lines 12 and 17 from top, for oxidase read oxygenase 
P. 144, line 4 from top, for often read open 
P. 151, line ro from bottom, for breviflora read brevifolia 
P. 196, last line, for 12° C. read at 12°C. 
P. 206, line 7 from top, for poly-hybic read poly-hydric 
P. 236, line 10 from top, for 2 M potassium iodide and 2M acetic acid read 
o.2 M potassium iodide and 0.2 M acetic acid 
