Lawyer, entomologist, and botanist. Practised law in Edinburgh; later moved to London. Assistant secretary to the Royal Horticultural Society, 1861; member of the council from 1865; member of the scientific committee from 1868. An expert on insects harmful to crops. In entomology, specialised in the Coleoptera; in botany, in the Coniferae.
Sources: ODNB. (See the bibliography for full references to sources)