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Keywords from Image Description:
Origin of Vertebrates Fig . Fig The Brain of Sphroma serratum After Bellonci Ant and Ant II nerves to st and nd antenn br terminal fibre layer of retina Op first optic ganglion Op II second optic ganglion optic nervefibres forming an optic chiasma The Origin of Vertebrates org Walter Holbrook Gaskell PDoldauto Origin of Vertebrates