Rickets, scurvy and "marasmus" may be instanced as diet diseases in children.
Its duties are shown by the preamble to the laws of Ine, king of Wessex, and 200 years later by the preamble to those of Alfred the Great, while several similar cases could be instanced.
As a rule contrasted colours are shown by pairs having a bright and a faint component which are relatively wide apart; brilliant white stars frequently have a blue attendant - this is instanced in the case of Regulus and Rigel.
Ritualistic conservatism may be instanced as a practical outcome of this feeling.
The Waddle may be instanced as an example of the open fans.