OBITUARY. PROFESSOR ALLEYNE NICHOLSON. The death occurred on Thursday at Aberdeen of PROF. HENRY ALLEYNE NICHOLSON, who filled the chair of Natural History in the University of Aberdeen. PROF. NICHOLSON was born at Penrith, Cumberland, in 1844, and was the son of DR. JOHN NICHOLSON, the well-known Biblical scholar. He was educated at the Universities of Gottingen, and Edinburgh, and was Professor of Biology and Physiology in the University of Durham (College of Physical Science, Newcastle) in 1874. He filled several appointments before he was appointed Regius Professor of Natural History in the University of Aberdeen, which chair he continued to occupy from 1882 until his death. PROFESSOR NICHOLSON was an author of some note, his works, principally geological and palaeontological, commencing with the publication of the "Essay on the Geology of Cumberland and Westmorland" iin 1866, and continuing down to 1894. His chief work was a text book of "Palaeontology", and his students' text book of "Zoology" was largely used, and passed through various editions.