RT Journal Article SR Electronic T1 XX.—Two New Trilobites from Girvan JF Transactions of the Geological Society of Glasgow JO Transactions of the Geological Society of Glasgow FD Geological Society of London SP 260 OP 263 DO 10.1144/transglas.20.3.260 VO 20 IS 3 A1 Reed, F. R. Cowper A1 Begg, J. L. YR 1945 UL http://trngl.lyellcollection.org/content/20/3/260.abstract AB