About: http://webisa.webdatacommons.org/165367427

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	from an optic nerve, simply coated with pigment, which sometimes forms a sort of pupil, but is destitute of a lens or any other optical mechanism.
http://www.w3.org/ns/prov#wasQuotedFrom	darwin-online.org.uk