Slide showing two diagrams of the 'Fomation of the rhinarium of strepsirhine and haplorhine animals' (i.e. Primates). Slide shows two black and white diagrams of nasal attributes of 'Strepsirhine and Haplorhine animals' (i.e. Primates). First image is labelled 'Strepsirhini'. Second image is labelled 'Haplorhini'. Title under image reads 'Fig. 4 - Diagram of the formation of the rhinarium in the strepsirhine and haplorhine animals commonly grouped together in the Order Primates'. Late 19th - early 20th century