1679 Diatomaceæ: Epithemia (dated 1922) £3.00
1766 Fossil Diatomaceæ: Actinoptychus Boliviensis (dated 1881) £3.00
1830 Fossil Diatomaceæ: Actinoptychus Heliopelta, from Nottingham Maryland £3.00
1814 Fossil Diatomaceæ: Brackish water fossil from Hungary (dated 1922) £3.00
1720 Fossil Diatomaceæ: Coscinodiscus excavatus, from Barbados (dated 1918) £3.00
1750 Fossil Diatomaceæ: Coscinodiscus excavatus, from Barbados (dated 1918) £3.00
1756 Fossil Diatomaceæ: Epithemia £3.00
1820 Fossil Diatomaceæ: Fresh water fossil, from Cherryfield Maine USA (dated 1901) £3.00
1773 Fossil Diatomaceæ: Guatemala (dated 1924) £3.00
1731 Fossil Diatomaceæ: Large fragments from Forrester's Rock Oamaru (dated 1922) £3.00
1770 Fossil Diatomaceæ: Navicula elliptica, from Hungary (dated 1904) £3.00
1853 Fossil Diatomaceæ: Navicula prisca, from New Nottingham (dated 1900) £3.00
1755 Fossil Diatomaceæ: Potonica Salvador, ( dated 1922) £3.00
1813 Fossil Diatomaceæ: Strew Slide from Oran Algiers £3.00
1760 Fossil Diatomaceæ: Surirella (dated 1904) £3.00
1933 Diatomaceæ: Tabellaria. £3.00
1932 Diatomales: Diatom Strew from North German Coast,Brackish. £3.00
1227 Diatomaceæ: Synedra robusta, by Watson £3.00
1606 Diatomaceæ: Epithemia Hyndmanii £3.00
1619 Diatomaceæ: from Omaru £3.00
1624 Diatomaceæ: from Omaru £3.00
1323 Diatomaceæ: from San Redono Cal USA £3.00
1596 Diatomaceæ: Pleurosigma Spencerii £3.00
1593 Diatomaceæ: Recent Meridiou circulare £3.00
1589 Diatomaceæ: Spread unnamed £3.00
1580 Diatomaceæ: Spread unnamed, from Moron Spain £3.00
1591 Diatomaceæ: Surirella striatula £3.00
1674 Diatomaceæ: Coscinodiscus Ianischii from Demararaland (dated 1922) £4.00
1789 Diatomaceæ: Navicula Perrstetii, from Fululand (dated 1918) £4.00
1671 Diatomaceæ: Pleurosigma attennatum, from Devonshire (dated 1880) £4.00
1303 Diatomaceæ: Synedra pulchella £4.00
1681 Diatomaceæ: Synedra splendens (dated 1900) £4.00
1302 Diatomaceæ: Syned
