VOLUME LXIX 



CONTENTS 



VI l 



DATES OF PUBLICATION 



>. i, January 22; No. 2, February 

 May 15; No. 6, June 17. 



ERRATA 



Vol. LXVIII 

 P. 431, table I, column 4, for gm. read cm. 

 P- 435, table II, column 5, for min. read mm. 



Vol. LXIX 



P. 27, add description of plate V, as follows: 



Enter obryus cotnpressus Thaxter 



Fig. 47. — Group of 9 individuals producing cysts, with exception of a, young, 

 and b, one still bearing normal terminal segment showing attachment to 

 chitinous integument about anus of host 



Fig. 48. — Distal end of cyst-forming individual 



Fig. 49. — Base of same individual showing attachment and scattered nuclei 



Fig. 50. — Terminal portion of individual from which normal terminal segment 

 has separated 



Fig. 51. — Similar termination in which cyst formation has commenced, 

 showing nuclei more crowded in region of cyst formation 



Fig. 52. — Termination of cyst series 



P. 173, line 8 from bottom, for immediately, after adding, read immediately 

 and after adding 





P. 179, line 7 from bottom, for monocotyledonous read dicotyledonous 



P. 243, fig. 15, for magnification X1200 read X600 



P. 301, table III, 2.4, 3.0, 3.85, and 3.9 belong to culm 3 in pot DD; 1.9 

 and 1 . 6 belong to culm 4 in same pot 



p - 303, table V, line 5 under distance, for increased read same 



p 



P- 374> line 3 from bottom, for 0.098s read 0.0098* 



P. 376, last line, for 0.0286* read 0.0216* 



P. 385, line 6 from bottom, after (0.025X+1) insert +1.65 



P. 396, line 6 from top, for figs. 1 and 11 read figs. 6 and 11 



