- Claudius Clavus Swartha (1427).
Thus Claudius Clavus Swartha (Niger), who was at Rome in 1424, compiled a map of the world, extending westward as far as Greenland.
The tunica was precisely like the Greek chiton; that of the senator had two broad stripes of purple (latus clavus) down the centre, that of the knight two narrow stripes (angustus clavus).
Sc, scutellum; co, cl, m, corium, clavus and membrane of forewing.
- a, Microcodon clavus, showing corona, lateral antennae and jointed foot; b, Rhinops vitrea, corona from below, showing proboscidiform extension containing eyes; c, Philodina megalotrocha; d, head of Rotifer macroceros, postero-ventral view, showing lobes of corona, and antero-dorsal median antenna, telescopic with setae; e, Rotifer (Actinurus) neptunius, showing head with retracted corona, and protruded dorsal proboscis bearing median antenna, and telescopic foot with toes and spurs; f.