including 2 vol set of Van Heurck's works on diatoms, Synopsis Des Diatoms De Belgique, Atlas,1880-81 with some missing pages replaces with Xerox copies, bound as vol.1 and the text bound as Vol.2 both in blue leather with marbled boards; Van Heurck, Henri, A Treatise on the Diatomaceae, 1896, numbered No.31, Pelletan, Dr. J, Les Diatomees, published Paris 1888, 2 vols in 1 original tan cloth; Janet, Charles, Le Volovox, published 1912, half calf in blue leather with cloth boards, Hincks, Thomas, A History of the British Marine Plyzoa, published London 1880, tex as vol.1 and atlas as vol.2 in petrol blue cloth with gilt lettering, 2 photo albums of silver Gelatin photographs of Diatoms and other subjects through the microscope