'Polystomella strigilata' [specimens of foraminifera] health Three figures showing the egg

Three figures showing the egg at fourteen days' development with the embryo opened to show the principal blood vessels and their connection to the yolk sac

Six images surround a pupil's calligraphy

'A Little Tea Party'

Surrey Zoological Gardens

'Polystomella strigilata' [specimens of foraminifera] health Three figures showing the eggCopy of plate 4 from the work Uber den Organismus der Polythalamien (Foraminiferen) nebst Bemerkungen uber die Rhizopoden im Allgemeinen by Max Sigmund Schultze (Leipzig, 1854). Two views of the foraminifera [single celled marine organisms with shells] specimen Polystomella strigilata under magnification. Original: ink and watercolour on tracing paper. ca. 1854