duff , a small , grizzled scot with a very long nose , sparse jowls , and a fine sprout of graying whiskers that made him look as though he 'd been thickly dusted in icing sugar , leaped nimbly up onto the quay and proceeded to clasp roger in a manly embrace , punctuated by fierce thumpings on the back and ejaculations of amazement , all heartily returned by roger .