The Naturalists' Universal Directory

Acad Agric Alga Anat Anth Arch Asst Berlin Bibliog Biol Boston Brooklyn Calif Cambridge Charles Chas Chem Chicago City Coleopt Coll collection College Correspondence Crypt Crystall Dept Desires Diatoms Dist East Elect Engineer especially Ethnog exchange Ferns Fossils Frank Fungi Gardens Geog Geol George Henry High School Hist Histol Hort Hymenopt Inorg Inst Invert James John Lepid Lichens Lithol LL.D London Louis Mammals Mass Math Metall Meteo Minerals Mining Minn Miss Moll Morphol Mosses Museum Ohio Palæo Paris Park Ph.D Phan Phil Philadelphia Philol Photog Phys Physics Physiol Plants Pres Prof Road Robert Royal Sciences Scotland Shells Society spec Station Stockholm Strat Survey Univ Upsala Vert Washington West Wien York Zool