ALLPORT, SAMUEL 0816-97), English petrologist, was born in Birmingham Jan. 23, 1816, and died at Cheltenham July 7, 1897. He was a pioneer in microscopic petrology. The basalts of south Staffordshire, the diorites of Warwickshire, the pho nolite of the Wolf Rock (to which he first directed attention), the pitchstones of Arran and the altered igneous rocks near the Land's End were investigated and described by him during the years 1869-79 in the Quarterly Journal of the Geological Society and in the Geological Magazine.