ERRATA, 
Page 1, third foot note, for 5 and 6, read 3 and 4. 
Page 22, lines 22 and 23, for excessive, read successive; foot-note, for 37 read 33. 
Page 29, foot-note, for 13, 19, 22, read 11, 17, 20, respectively. 
Page 32, line 9, for 11 read 9. 
Page 35, foot-note, for 11 read 9. 
Page 36, line 16, for January read June. 
Page 4“, line 12 from bottom, for bacilus read bacillus. 
Page 51, line 22, for persicarium read persicaria. 
Page 51, line 18, for abundant read abandoned. 
Page 58, line 1, strike out hyphen. 
Page 60, line 6 from bottom, insert comma after rariosus. 
Page 65, last line long primer, for 46 read 45. 
Page 66, lines 1 and 2, after ochreus strike out interrogation point and “with great misgiving as 
to its species”; line 3, for Phragmites read Scirpus. 
Page 72, line 18, for Historie read Ilistoire; line 24, for Ed. Le Conte read Le Conte’s edition. 
Page 76, line 14, for circular read semi-circular. 
Page 85, for Southern read Central. 
