—, micro-chemical reaction, [50]

—, microscopic features, [49]

—, section, [50]

Hermite’s electrolytic bleaching, [115]

Hibiscus strictus fibre, [44], [46]

Humus and cellulose, [15]

Hydracellulose, [12]

Hydrochloric acid and cellulose, [13]

— — — ligno-cellulose, [22]

— — in bleaching pulps, [112]