1875 - Population
Population
German embryologist Oskar (Wilhelm August) Hertwig, 26, at the University of Jena concludes that fertilization of the female egg is accomplished by a single male cell. He has worked with sea urchins (Arbacia punctulata), whose female produces roughly a million eggs per season (see Fol, 1879).
1871 1872 1873 1874 1875 1876 1877 1878 1879 1880
Tonghzi (T'ung-chihg)|Guangxu (Kuang-hsü)|China|China : and Britain|Britain : and China|Grant, James Hope|France : Constitution of|MacMahon, M.E.P.M. de|Bosnia and Herzogovina|Ottoman Empire : in Balkans|Ottoman sultans : Abdul Aziz|Suez Canal|Disraeli, Benjamin|Britain : and Egypt|Egypt : Britain and|Rothschild, Nathan M.|Portugal : in Africa|Transvaal Republic : and Portugal|Mozambique : railroad and|Du Toit, Stephanus|South Africa : Boers in|García Moreno, Gabriel|Ecuador|Breckenridge, John C.|Johnson, Andrew|Pickett, George E.|Grant, Ulysses S.|Oregon : Territory|Nez Percé|Parker, Quanah|Texas : Comanche in|Texas : ranching in|Comanche|Cheyenne tribe|Miles, Nelson A.|United States : civil rights in|Tennessee : civil rights in|Stanley, Henry M.|Africa : exploration of|Cameron, Verney Lovett|Santa Monica, Calif.|Britain : labour in|Cross, Richard Assheton|Aspinwall, William H.|Green, John Cleve|Bristow, Benjamin H.|Prudential Insurance|Dryden, John Fairfield|life insurance : Prudential|insurance : Prudential|Russia : railroads in|railroads : Russia|Sevastapol : railroad in|Michigan Central RR|Wagner, Webster|Vanderbilt, Cornelius|Lake Shore and Michigan Southern : & |New York Central|Nobel, Alfred|Thomas, Sidney Gilchrist|iron refining : Thomas process and|plane, woodworking : Bailey and|Baldwin, Frank S.|calculators|Gurney, Goldsworthy|Singer, Isaac Merrit|Lorentz, Hendrik A.|Crookes, William|radiometer|Cohn, Ferdinand J.|bacteriology|Lyell, Sir Charles|Fiji Islands|measles : in Fiji Islands|osteopathy|electric : dental drill|dentistry : electric drill|Vaseline petroleum jelly|Chesebrough-Ponds|kerosene|Phillips Milk of Magnesia|Eddy, Mary Baker|Christian Science|Theosophical Society|Blavatsky, Helena|Wellesley College|Durant, Henry|Smith College|Gray, Elisha|Bell, Alexander Graham|telephone|Hubbard, Gardiner Greene|Edison, Thomas A.|Hoe, Richard M.|Egypt : newspapers in|The Statesman (newspaper)|India : newspapers in|Chicago Daily News|Stone, Melville E.|Ayer, N.W.|advertising agency|Green, Duff|Wheatstone, Charles|Christmas : cards|Bagehot, Walter|Smiles, Samuel|Burroughs, John|The Way We Live Now (n)|Trollope, Anthony|Kingsley, Charles|Quinet, Edgar|Monet, Claude|Renoir, P.-A.|Pissarro, Camille|Caillebotte, Gustave|Impressionist painting|Eakins, Thomas|Moran, Thomas|Butler, Elizabeth Thompson, Lady : & |Millet, Jean-François|Corot, J.B.C.|Arminius|Yucatán|Chichén-Itzá|Carpeaux, Jules|photography : portrait|photoengraving|Royal Shakespeare Company|The Shaughrann (p)|Boucicault, Dion|Wolves and Sheep (p)|Ostrovsky, Aleksandr|Paris : Opéra|Garnier, Charles|Carmen (o)|Bizet, Georges|Halévy, Ludovic|Meilhac, Henri|Trial by Jury (o)|Gilbert & Sullivan operas : Trial by Jury|Vienna : Opera House|Bizet, Georges|Saint-Säens, Camille|Lalo, Edouard|Smetana, Bedrich|Tchaikovsky, Petr Ilich|Boston : Symphony|hockey, ice|ice hockey|Kentucky Derby|horseracing : Kentucky Derby|roller skates|swimming, Channel|football|Morris, Thomas ("Old" and "Young")|Morris, William|Vanderbilt, Alva (Mrs. William K.)|fashion : hoopskirts and|Reynolds, R.J.|cigarettes : U.S. production of|Jukes|Beecher, Henry Ward|adultery : Beecher, Henry Ward, and|Beecher, Catharine E.|Stowe, Harriet Beecher|Stowe, Harriet Beecher, U.S. novelist|Hooker, Isabella Beecher|Tweed, "Boss," |New York : Tweed and|Cross, Richard Assheton|Bangkok : Oriental Hotel in|Chicago : hotels in|Saratoga Springs|San Francisco : hotels|Arbor Day|Colombia : earthquakes in|earthquakes : Venezuela|Venezuela : earthquakes in|earthquakes : Colombia|bison (buffalo)|Grant, Ulysses S.|buffalo (bison)|salmon : land-locked|Texas : ranching in|Comanche|Gates, John W.|barbed wire|Texas : ranching in|Grange, National|wheat : combines and|United States : agriculture in|Wesleyan University|Burbank, Luther|cherries : Bing|Washington State : apple orchards in|oranges : navel|California : agriculture in|Britain : pure food laws in|vanillin|vanilla|beans : baked|food : canning of|sweet corn : canned|canned foods : sweet corn|oatmeal|flour : British|flour : Rank and|Rank, Joseph|Nestlé|baby foods : Nestlé|chocolate : milk|chocolate : Nestlé|alcohol : British consumption of|Bass ale|wine : French|France : viniculture in|grape phylloxera : France|viniculture : France|tea : U.S. imports of|Hires Root Beer|Borden, Gail|milk : Borden's|New York : Chinatown in|Hertwig, Oskar
