Changed "Entomothoraceæ" to "Entomophthoraceæ" on page 20 of part 3.
Changed "Uutersuch." to "Untersuch." on page 21 of part 3: "Bot. Untersuch."
Changed "Mongraphie" to "Monographie" on page 21 of part 3: "Monographie des Saprolegniées."
Changed "spois" to "spores" on page 23 of part 3, in the entry for tetraspore.
Changed "perethecia" to "perithecia" twice on page 23 of part 3: "enclosed in perithecia" and "fungi without perithecia."
Changed "Hyphomecetea" to "Hyphomyceteæ" on page 23 of part 3: "such as the Hyphomyceteæ."
Changed "rotton" to "rotten" on page 4 of part 4: "rotten wood or sticks."
Changed "Puff Ball" to "Puff-Ball" in caption to Plate G.
Changed "globuse" to "globose" on page 6 of part 4: "sometimes nearly globose."
Changed "fetid" to "fœtid" on page 9 of part 4, for consistency: "their fœtid odor." Also in the caption to Plate H.