A collection of letters, mostly mounted in a 19th-century loose-leaf album, the leaves gathered with ribbon, made by an unknown person, evidently for autograph value or interest. The first sheet is inscribed 'Autographs of Naturalists Botanists Men of Science'. —57 letters and documents, 1792-1846. [Correspondents include: DAVID ANSTED (geologist); CHARLES BABINGTON, JAMES BACKHOUSE, JAMES DICKSON, DAVID DON, JAMES DONN, GEORGE GIBSON, ROBERT GRAHAM, ROBERT GREVILLE, JOHN HENSLOW, SIR JOSEPH HOOKER, SIR WILLIAM HOOKER, OSWALD MOORE, WILLIAM NEWBOULD, EDWARD NEWMAN, WILLIAM NOT- CUTT, SIR JAMES SMITH, RICHARD SPRUCE, SILVANUS THOMPSON, DAWSON TURNER, HEWETT WATSON, NATHANIEL WINCH (botanists); CHARLES-LUCIEN BONAPARTE (scientist); JOHN CONYBEARE, ADAM SEDGWICK (geologists); SIR HENRY DE LA BECHE, JOHN GOULD (orni- thologists); EDWARD EDWARDS (marine zoologist); LUKE HOWARD (meteor- ologist); CHARLES MAY (astronomer); SIR RICHARD OWEN, EDWARD SWAINSON (naturalists); RICHARD PHILLIPS (chemist); WILLIAM PHILLIPS (mineralogist); EDWARD ROBSON (writer); GEORGE SOWERBY (concholo- gist); JAMES SOWERBY (naturalist); ISIDORE ST. HILAIRE (zoologist); WILLIAM WITHERING (botanist, mineralogist)]