Keywords: Origin of Vertebrates Fig 040.png Fig 40 ”Bipolar Cells of Nuclear Layer in Retina of Branchipus After Claus f br r terminal fibre-layer of retina; n l r g bipolar cells of the ganglion of the retina inner nuclear layer; m l Punktsubstanz inner molecular layer; b m basement membrane formed by neurilemma round central nervous system 1908 The Origin of Vertebrates https //archive org/details/originofvertebra1908gask Walter Holbrook Gaskell PD-old-auto-1923 1914 Origin of Vertebrates book Branchipus Retina |