A COMPARISON OF THE SIZE OF AN AUDITORY NUCLEUS (N. MESENCEPHALICUS LATERALIS, PARS DORSALIS) WITH THE SIZE OF THE OPTIC LOBE IN TWENTY-SEVEN SPECIES OF BIRDS.

A COMPARISON OF THE SIZE OF AN AUDITORY NUCLEUS (N. MESENCEPHALICUS LATERALIS, PARS DORSALIS) WITH THE SIZE OF THE OPTIC LOBE IN TWENTY-SEVEN SPECIES OF BIRDS.