Traquair initially stayed on at the University of Edinburgh, working as an anatomy demonstrator from 1863 to 1866. He then took up the post of Professor of Natural History at the
Royal Agricultural College in
Cirencester. They had three children:
Ramsay (1874); Henry (Harry) Moss (1875); and Hilda (1879).|alt=Black and white drawing of a fish with wide head and separated eyes, dorsal fin and shark-like tail Traquair would spend the next 33 years working in Edinburgh in charge of the museum's natural history collections, building up a large collection of fossil fish. The deposits that he studied included the
Old Red Sandstone and the
Carboniferous rocks of Scotland. He was also a visiting lecturer at the
Natural History Museum in London (then part of the British Museum), twice being appointed '
Swiney Lecturer on Geology at the British Museum (Natural History)' for two five-year periods, from 1883 to 1887 and then again from 1896 to 1900. He was elected to the Geological Society of London in 1874. ==Family==