[1] CHARLES A. PAGE (brother-in-law of S.F. Coues). Letter (1871) [2] BARON JOHAN AXEL PALMéN (1845-1919) (Finnish zoologist, professor). Letter (1888) [3-6] J.E. PALMER (Lucan, Dublin). Letters (1877) [7-14] JAMES A. PANTON (Wareham, Dorset). Letters to Alfred Newton (1875-81), letters to him, from Alex Luckham (1875), Edward Hart (1876) [15-17] JANE ELLEN PANTON (1848-1923) (poet, Fellow of Zoological Society; wife of James A. Panton). Letters (1881-83) [18] WILLIAM R. PAPE(Gun & Rifle Manufactory, Newcastle). Letter (1861) [19-89] WILLIAM KITCHEN PARKER (1823-1890) (Hunterian Professor of Comparative Anatomy, Royal College of Surgeons, 1873-90). Letters to Alfred Newton (1862-85), letters to him, from Thomas Baynes (1874-75) [90] CHARLES J. PARSONS (Crawley & Parsons, metal merchants, Birmingham). Letter (1891) [91-92] H. LAWFORD PARSONS (Shernbourne Hall, Lynn). Letters (1888) [93] HENRY THOMAS PARTRIDGE (1837-1915) (Hockham Hall, Norfolk). Letter (1868) [94-95] HENRY N. PASHLEY (taxidermist, Cley-next-the-Sea, Norfolk). Letters (1888) [96-97] WILLIAM PASSMORE (Truro). Letters (1852) [98-101] GEORGE E. PATERSON (Glasgow). Letters (1877) [102-107] SIR ROBERT LLOYD PATTERSON (1836-1906) (President, Belfast Natural Historical and Philosophical Society). Letters (1882-88) [108-109] JACOB LUARD PATTISON (1841-1915) (Clandeboye, Belfast). Letters (1877) [110-111] SIR RALPH WILLIAM FRANKLAND PAYNE-GALWEY (1848-1916) (3rd Baronet). Letters (1884) [112] BEAVEN PEAKE (Fordingbridge). Letter (1862) [113-116] THOMAS PEARCE (1820-85) (clergyman). Letters (1871) [117-119] CHARLES HENRY PEARSON (1830-94) (Professor of Modern History, King's College London, 1855-65, editor of National Review, 1862-63; later Australian politician). Letters (1863) [120-133] GEORGE PEARSON (engraver, 3 Bolt Court, Fleet Street). Letters (1871-75) [134-139] WILLIAM PENGELLY (1812-94) (geologist, writer; Hon. Secretary, Torquay Natural History Society, 1851-90). Letters (1868-83) [140-141] THOMAS CARISBROOKE PENNY (1842-82) (Lieutenant, Royal Artillery). Letters (1873) [142] FRANCIS CRAMER PENROSE (1817-1903) (architect, archaeologist, astronomer). Letter (1879) [143-144] FRANCIS GEORGE PENROSE (1857-1932) (son of F.C. Penrose; consulting physician, Great Ormond Street Hospital). Letters (1879) [145] JOHN PENROSE (1815-88) (clergyman) [?]. Letter (1870) [146-147] EDWARD HENRY PEROWNE (1826-1906) (Master of Corpus Christi, 1879-1906). Letters to and from Alfred Newton (1879) [148] W. PETERS (illustrator). Letter (1871) [149-151] JAMES BELL PETTIGREW (1834-1908) (anatomist, Curator of Museum of Royal College of Surgeons of Edinburgh, 1869-75, Chandos Professor of Medicine and Anatomy, St. Andrews, 1875-1908). Letters (1867-68) [152] ALFRED PHARAOH (Braintree, Essex). Letter (1886) [153-154] SAMUEL GEORGE PHEAR (1829-1918) (Master of Emmanuel, 1871-95). Letters (1875) [155-157] CHARLES MARTIN PHELPS (d. 1908) (clergyman). Letters (1876) [158-177] EDWARD CAMBRIDGE PHILLIPS (1840- ) (Brecon). Letters to Alfred Newton (1882-93); letter to him, from John Llewellyn [178] FREDERICK OCTAVIUS PICKARD-CAMBRIDGE (1860-1905) (nephew of Edward Pickard-Cambridge; clergyman, arachnologist). Letter (1880) [179-226] OCTAVIUS PICKARD-CAMBRIDGE (1828-1917) (clergyman, entomologist). Letters (1866-89) [227-228] JOHN ROBERT WILSON PIGOTT (1850-1928). Letters (1871) [229-240] J.M. PIKE (Wareham, Dorset). Letters (1876-83) [241-243] WILLIAM PINKERTON (1809-71) (historian). Letters (1869) [244-245] SIR ISAAC PITMAN (1813-87) (inventor of phonography). Letters to and from Alfred Newton (1883) [246-247] F. PLANT. Letters (1862) [248] WILLIAM W. PLATT (Southport). Letter (1875) [249-250] FRANCIS PLOMLEY (d.1860) (physician, botanist). Letters to and from Alfred Newton (1853) [251] FRANÇOIS PAUL LOUIS POLLEN (1842-86) (French naturalist). Letter (1866) [252-253] HENRY POLLOCK (Court of Exchequer; son of Sir Jonathan F. Pollock, Lord Chief Baron of Exchequer?). Letters (1879) [254] THOMAS G. PONTON. Letter (1874) [255-256] RICHARD POOLE (printer, Maldons, Essex). Letters (1872-75) [257] JAMES PORTER (1827-1900) (Master of Peterhouse, 1876-1900). Letter (1883) [258-274a] R.H. PORTER (publisher, bookseller, Tenterden Street, London). Letters (1874-98) [275-278] H.P. POWELL, H.P. (shipping agent, London). Letters (1871-72) [279-281] THOMAS HARCOURT POWELL (1819- ) (Drinkstone Park, Bury St. Edmunds). Letters (1862-83) [282-285] JOHN POWER (1818-80) (Master of Pembroke, 1870-80). Letters (1871-79) [286] WILLMOTT H. POWER (University College Hospital, London). Letter (1877) [287-294] MERVYN POWYS (1866-1942). Letters (1889) [295] AMY JESSY PRATT (Marley, Shottermill, Haslemere, Surrey). Letter (1887) [296] W.S. PRATT (Edinburgh). Letter (1869) [297] BENJAMIN PLUMMER PRATTEN (1817-89) (clergyman, translator). Letter (1876) [298] W. PREGER (Professor, German). Letter to him, from Alfred Newton (1881) [299-340] THOMAS ARTHUR PRESTON (1834-1905) (clergyman; Assistant Master, Marlborough College, 1858-85). Letters (1865-81) [341] HENRY PRIGG junior (geologist, antiquary). Letter (1871) [342-345] EDWIN C. PRINCE (bookseller, Charlotte Street, London). Letters (1865-70) [346-357] CHARLES MATTHEW PRIOR (d.1940) (Adstock Manor, Bletchley, Buckinghamshire, bloodstock horse breeder). Letters (1876-82) [358-361] RICHARD CHANDLER ALEXANDER PRIOR (1809-1902) (physician, translator, botanist). Letters (1868-81) [362-388] WILLIAM PROCTOR (1798-1877)(University Museum, Durham). Letters to Edward Newton (1851-56) [389-390] SIR GEORGE WALTER PROTHERO (1848-1922) (Fellow of King's, 1872-96, editor, Quarterly Review, 1899-1922; co-editor of Cambridge Modern History, 1901-12). Letters (1886) [391-417] MARLBOROUGH ROBERT PRYOR (1848-1920) (Fellow of Trinity, 1870; succeeded to Weston Park, Herts, 1881). Letters (1870-85) [418-421] PURNELL BRANSBY PURNELL (formerly COOPER) (1791?-1866) (Stancombe Park, Dursley, Gloucestershire; prison reformer). Letters (1852) [422] W. PURNELL (Henley-on-Thames). Letter (1879) [423-425] PHILIP HENRY PYE-SMITH (1839-1914) (physician; Senior Censor, Royal College of Physicians; Consulting Physician to Guy's Hospital; Vice- Chancellor, University of London). Letters (1873-74)