[1-3] SIR JOHN FRANCIS JULIUS VON HAAST (1824-87) (Geologist, explorer; Governor, Canterbury Province, New Zealand, 1861- ; Commissioner to Indian and Colonial Exhibition, 1885). Letters (1886) [4-22] ALFRED CORT HADDON (1855-1940) (anthropologist; Professor of Zoology, Royal College of Science, Dublin 1880-1901; University Lecturer in Ethnology, Cambridge, 1900, Reader 1909-25). Letters (1881-86) [23-28] HENRY HADFIELD (Ventnor, Isle of Wight). Letters (1859-72) [29] JOHN PLEYDELL WILTON HAINES (solicitor, Gloucester). Letter (1886) [30] HALL & BROWN (Oxenham's Auction Rooms, Oxford Street). Letter to Frederick Bigge (1882) [31-33] HALLETT & CO. (natural history dealers, St. Martin's Place, London). Letters (1882) [34-38] EGBERT DE HAMEL (1844- ) (manufacturer; Tamworth Natural History, Geological and Antiquarian Society). Letters (1873-75) [39] J. LAWRENCE HAMILTON (surgeon). Letter (1881) [40-42] ANTHONY HAMOND (1834-95) (leading agriculturalist, East Anglia). Letters (1867-68) [43] THOMAS ASTLEY HORACE HAMOND (1845-1917) (younger brother of Anthony Hamond). Letter (1867) [44-120] JOHN HANCOCK (1808-90) (Newcastle; ornithologist, writer). Letters (1853-85) [121-139] M. & N. HANHART (lithographers, London). Letters (1862-75) [140-150] EDWARD HARGITT (1835-95) (landscape painter). Letters (1872-86) [151] EDWARD HARLEY (Knighton, Radnorshire). Letter (1864) [152] CHARLES FIELDING HARMER (Great Yarmouth). Letter (1877) [153-157] SIR SIDNEY FREDERIC HARMER (1862-1950) (Superintendent, Cam- bridge Museum of Zoology, 1892-1908, Keeper of Zoology, Natural History Museum, 1909-20, Director of Natural History Department, British Museum, 1919-27). Letters (1884-85) [158] R.P. HARPER (Scarborough). Letter (1877) Add.9839/1H/158 [159-163] EDWARD HART (WILLIAM HART & SON) (naturalists, furriers, Christchurch, Hants). Letters (1872-75) [164-166] HENRY CHICHESTER HART (1847-1908) (Dublin; naturalist, poet). Letters (1875-85) [167] WILLIAM HARTCUP (1814-95) (Upland Hall, Bungay, Suffolk). Letter (1885) [168-186,190-224] JAMES EDMUND HARTING (1841-1928) (zoologist, ornithologist, writer; Librarian, Linnaean Society to 1902). Letters (1872-1904) [187,189] ROBERT MACKAY WILSON. Letters (1886) [188] HENRY HEAD. Letter (1886) [225] ALFRED OCTAVIUS HARTLEY (1826-88) (clergyman; Headmaster, Fauconberge Grammar School, Beccles, 1853-70). Letter (1871) [226] GARDINER HARVEY (1842-75) (Dublin; Captain, Madras Staff Corps). Letter (1874) [227] JOHN HARVEY (Liverpool; son of Robert Harvey). Letter (1864) [228-276] ROBERT HARVEY (c.1808-72) (clergyman, Leek, Letterkenny, Donegal, Ireland). Letters (1862-72) [277-478] JOHN ALEXANDER HARVIE-BROWNE (1844-1916) (ornithologist, writer). Letters to Alfred Newton (1867-93); copy letter to him, from Benjamin Peach (1886) [479] PHILIP HARWOOD (1809-87) (journalist). Letter to J.H. Lockyer (1872) [480] J[OHN?] HASWELL (Sunderland). Letter (1877) [481] CAROLINE ANNE, LADY HATHERTON (1809-97) (wife of 1st Baron). Letter (1864) [482-483] WILLIAM HENRY HAWKER (1827-74) (clergyman, botanist, zoologist). Letters (1859-63) [484-530] HERBERT SAMUEL HAWKINS (1819-95) (clergyman). Letters to Alfred Newton (1865-84), copy letter to him, from C.S.M. Glick (1868) [531-538] R.W. HAWKINS (Rugeley, Staffordshire). Letters (1853-54) [539] CHARLES HAWKINS-FISHER (d.1901) (Major, falconer). Letter (1879) [540-544] WALTER HEAPE (1855-1929) (biologist). Letters (1886-89) [545] HEARD & SONS (Truro). Letter (1871) [546] FREDERICK GRANVILLE HEATHCOTE (later SINCLAIR) (1858-1914) (Barrogill Castle, Wick, Caithness; zoological writer). Letter (1883) [547-553] SIR JAMES HECTOR (1834-1907) (Director, Geological Survey of New Zealand). Letters (1875-76) [554-558] NICHOLAS FENWICK HELE (surgeon, naturalist, antiquary, writer). Letters (1874-85) [559-562] 5TH BARON HENNIKER (JOHN MAJOR HENNIKER-MAJOR) (1842-1902). Letters (1876-77) [563-566] SAMUEL HENSON (1848-1930) (mineralogist, etc., Strand, London). Letters (1885-86) [567-573] AUBERON EDWARD WILLIAM MOLYNUEUX HERBERT (1838- 1906) (political philosopher; MP for Nottingham, 1870-73). Letters (1872-73) [574] LORD CHARLES AMELIUS HERVEY (1814-80) (clergyman). Letter (1871) [575-576] LORD JOHN WILLIAM NICHOLAS HERVEY (1841-1902). Letters (1870) [577-580] HENRY BENDELACK HEWETSON (1849-99) (ophthalmologist, naturalist, writer). Letters (1879-89) [581-626] WILLIAM CHAPMAN HEWITSON (1806-78) (naturalist, zoological illustrator, draughtsman). Letters (1853-72) [627-631] THOMAS COULTHARD HEYSHAM (1792-1857) (Mayor, Carlisle; naturalist). Letters (1854) [632] SYDNEY JOHN HICKSON (1859-1940) (anatomist, zoologist, writer; Professor of Zoology, University of Manchester). Letter (1889) [633] WILLIAM PHILIP HIERN (1839-1925) (botanist, writer). Letter (1872) [634-637] E.T. HIGGINS (Natural History Agency Office, Bloomsbury Street). Letters (1868-71) [638] SAMUEL HIGHLEY (medical publisher, bookseller, miscellaneous writer). Letter (1869) [639-641] MRS. E.M. HILL (Pimperne). Letters (1884) [642] ROBERT HILL (Richmond, Surrey). Letter (1867) [643] WILLIAM HILLS (Chichester Museum). Letter (1854) [644-645] B. [CHARLOTTE?], LADY HILLS-JOHNES (Dolaucothy, Llandeilo, South Wales; wife of Sir James Hills-Johnes). Letters (1885) [646] W.A. HINCH (Carson Brothers, booksellers, Dublin). Letter (1886) [647-648] MRS. MARIE HINDE (Cambridge). Letters (1882) [649] HENRY HINDES (rope and sack manufacturer, Norwich). Letter (1852) [650-651] THOMAS ARCHER HIRST (1830-92) (mathematician, writer). Letters to and from Alfred Newton (1886) [652-655] CHARLES CODRINGTON PRESSICK HOBKIRK(1837-1902) (expert on mosses). Letters (1877-79) [656-668] CHARLES B. HODGSON (Sutton Coldfield). Letters (1865-71) [669] J. HOGARTH & SONS. (Mount Street, London, booksellers[?]). Letter (1875) [670-671] CHARLES JAMES HOLDSWORTH (1852- ) (Wilmslow, Cheshire). Letters (1884) [672-679] EDMUND WILLIAM HART HOLDSWORTH (1829-1915) (civil servant, writer on fisheries). Letters (1862-84) [680-681] FREDERICK WHITMORE HOLLAND (1838-81) (clergyman; Joint Hon. Secretary, Palestine Exploration Fund, 1866-81). Letters (1870-77) [682-685] ANNIE HARWOOD HOLMDEN (née HARWOOD) (translator). Letters (1879-81) [686-687] P. AUGUST HOLST (natural history dealer, Tenterden Street, London). Letters (1885) [688] BRYAN HOOK (1856-1925) (painter, illustrator). Letter (1881) [689-712] SIR JOSEPH DALTON HOOKER (1817-1911) (botanist, traveller, writer; Director, Royal Gardens, Kew 1865-85; President of the Royal Society 1873-78). Letters to Alfred Newton (1864-85) [713-718] SIR WILLIAM JACKSON HOOKER(1785-1865) (Director, Royal Gardens, Kew 1841-65; father of Sir Joseph Hooker). Letters (1862-65) [719-908] RICHARD HOOPER (1821-94) (clergyman). Letters (1876-83) [909] WILLIAM STRONG HORE (1808-82) (clergyman, botanist). Letter (1872) [910-912] HUGH P. HORNBY (collector). Letters (1880) [913-914] ARTHUR C. HORNER (Cleveland Street Asylum). Letters (1877) [915] JOSEPH HORNER (1800-75) (clergyman). Letter (1862) [916-917] 1ST BARON HOUGHTON (RICHARD MONCKTON MILNES) (1809-85). Letters (1871-79) [918] WALLACE HOUSTOUN (1811-91) (Admiral). Letter (1873) [919] WILLIAM HOUSTOUN (Kintradwell, Brora, Scotland). Letter (1886) [920-921] HINDS HOWELL (1809-99) (clergyman). Letters (1869-70) [922-923] ROBERT HUDSON (1801-83) (zoologist, writer). Letters (1872-74) [924] ROBERT HUDSON (1836-1907) (Chaplain, Royal Alexandra Hospital, Brighton, 1874-88). Letter (1874) [925-939] SAMUEL HUDSON (Epworth, Bawtry, Yorks). Letters (1863-65) [940-1037] WILFRED HUDLESTON HUDLESTON (formerly SIMPSON) (1828-1909) (ornithologist; geologist). Letters (1851-86) [1038-1049] BARON ANATOLE ANDREAS ALOYS VON HÜGEL (1854-1928) (Curator, CU Museum of Archaeology and Ethnology,1883-1921). Letters (1870-83) [1050-1051] THOMAS McKENNY HUGHES (1833-1917) (Woodwardian Professor of Geology, 1873-1917). Letters (1873-86) [1052-1054] JOHN WHITTAKER HULKE (1830-95) (surgeon; geologist). Letters (1851-85) [1055-1065] SIR GEORGE MURRAY HUMPHRY (1820-96) (Deputy Professor of Anatomy, 1847-66, Professor of Anatomy, 1866-83, Professor of Surgery, 1883-96). Letters (1867-77) [1066-1072] JOHN THOMAS HUNTLEY (1790-1881) (clergyman). Letters (1873-74) [1073-1075] JOHN L. HURDIS (d. c.1895) (Controller of Customs and Navigation Laws, Bermuda, c.1840-55). Letters (1875) [1076-1077] EDWARD N. HURT (uncle of John Wolley, naturalist). Letters (1857-74) [1078] C.B. HUTCHINSON (Rugby). Letter (1882) [1079-1084] FREDERICK WOLLASTON HUTTON (1836-1905) (Professor of Natural Science, Otago University 1877- ; Curator of Christchurch Museum, New Zealand 1893-1905). Letters (1865-66) [1085-1102] RICHARD HOLT HUTTON (1826-97) (theologian; joint editor of The Spectator, 1861-97; man of letters). Letters (1862-86) [1103-1122] THOMAS HENRY HUXLEY (1825-95) (Lecturer, natural history, Royal School of Mines 1854-85; Secretary of Royal Society 1871-85). Letters (1865-89) [1123-1134] FREDERICK JAMES HYLINS (London). Letters (1865-66)