Geffrey Whitney, A choice of emblemes (Leiden, 1586)
A crab and a butterfly

Festina lentèLatin
Hasten slowly
Ad Amplissimos viros Dn. Franciscum Windham, & Dn. Edwardum Flowerdewe Iudices integerrimos
25F711(BUTTERFLY)(+1) insects: butterfly (+ animals used symbolically)25F711(BUTTERFLY)(+621) insects: butterfly (+ animal(s) being hit, shot, caught)25F716(CRAB)(+1) crustaceans: crab (+ animals used symbolically)25F716(CRAB)(+452) crustaceans: crab (+ animal with prey)44B10 virtues of the ruler46A122(AUGUSTUS)3 armorial bearing, heraldry (AUGUSTUS) - device, motto51M11(+3) Swiftness, Speed; 'Agilità', 'Celerità', 'Velocità' (Ripa) (+ symbolical representation of concept)51MM11(+3) Slowness, Tardiness; 'Tardità' (Ripa) (+ symbolical representation of concept)61B2(FLOWERDEW, Edward)3 historical person (FLOWERDEW, Edward) - other representations to which the NAME of a historical person may be attached (FLOWERDEW, Edward)61B2(WYNDHAM, Francis)3 historical person (WYNDHAM, Francis) - other representations to which the NAME of a historical person may be attached (WYNDHAM, Francis)86(FESTINA LENTE) proverbs, sayings, etc. (FESTINA LENTE)98B(AUGUSTUS)3 (story of) Augustus, the Roman emperor - representations to which the NAME of a person from classical history may be attachedRecord ID: embstma_1667_emblem126
This emblem on the Iconclass site: https://iconclass.org/view/embstma_1667_emblem126
Copy: University Library, Glasgow, Stirling Maxwell 1667