17 TABLE 3. The organization of the Microscopic Slide Collection. Title Serial Slide Extant Number Numbers of Slides Page Atlantic Ocean and Gulf of 567-647 80 19 Mexico Soundings Bering Sea and Adjacent Seas 648-668 25 23 Berryman's Soundings between 669-742 77 25 America and Ireland in 1856 California, Oregon, and 743-858 117 30 Washington Territories Gulf of Mexico 859-883 25 35 Para River of South America 884-925 42 37 North Atlantic Ocean and 926-946 21 40 Canadian Arctic Ocean Bering and Chukchi Seas 947-966 20 42 American Diatoms 967-1007 41 43 Foreign Diatoms 1008-1048 39 45 Casts of Polythalamia and 1049-1102 54 47 Guano Fossil Polythalamia from North 1103-1127 25 50 America Fossil Diatoms from Virginia, 1128-1179 52 51 Maryland and Bermuda Fossil Polycistines and Diatoms 1180-1223 44 53 from Barbadoes Vegetable Tissues - Recent 1224-1275 40 55 Vegetable Tissues - Fossil 1276-1306 31 57 Animal Tissues - Vertebrata 1307-1339 34 59 Animal Tissues - Articulata 1340-1376 37 61 Animal Tissues - Mollusca & 1377-1421 34 63 Radiata Miscellaneous 1422-1464 42 65