— palustre, xlvi, 85.
— pratense, xlvi, 85.
— robustum, xlvi, 88.
— scirpoides, xlvi, 91.
— sylvaticum, xlvi, 84.
— variegatum, xlvi, 90.
Equivalents, chemical, Wollaston's scale of, xvi, 371.
—, —, —, improved, L. C. Beck and J. Henry, xiv, 202.
—, —, circular scale of, J. Finch, xviii, 196.